SALE Quick view Details NARAKU | sku: NK900.22 NARAKU VARIATOR FOR 50cc PGO GENUINE SCOOTERS BUDDY ROUGHHOUSE PMX LIGERO BUBU MSRP: $59.95 Was: $59.95 Now: $52.95 Add to Cart Compare
SALE Quick view Details SSP-G | sku: 169-197-2 50cc SSP-G PERFORMANCE SUPER TRANSMISSION KIT QMB139 50cc MOTORS *NEW VERSION* MSRP: $199.95 Was: $199.95 Now: $109.95 Add to Cart Compare
Quick view Details RDLN / RED LINE | sku: 1200-1280 RDLN RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150cc MSRP: Now: $39.95 Add to Cart Compare Quick view Details RDLN / RED LINE | sku: 1200-1279 RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50cc 80cc 100cc MSRP: Now: $37.95 Add to Cart Compare Quick view Details RDLN / RED LINE | sku: 1200-1283 RDLN GEAR SET (17*49) FOR 50cc / 72cc / 100cc QMB139 ENGINES MSRP: Now: $27.95 Choose Options Compare Quick view Details GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER MSRP: Now: $9.95 Choose Options Compare Quick view Details POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 MSRP: Now: $19.99 Choose Options Compare Quick view Details GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 MSRP: Now: $5.95 Out of stock Compare Quick view Details J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters MSRP: Now: $149.95 Out of stock Compare Quick view Details SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE MSRP: Now: $44.00 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare SALE Quick view NARAKU | sku: NK900.22 NARAKU VARIATOR FOR 50cc PGO GENUINE SCOOTERS BUDDY ROUGHHOUSE PMX LIGERO BUBU NARAKU PERFORMANCE SPORT VARIATOR FOR PGO GENUINE SCOOTERS BUDDY 50, ROUGHHOUSE R50, PMX 50, LIGERO 50, BUBU 50 DOES NOT INCLUDE 16X13 ROLLERS *SOLD SEPARATE IN OUR STORE* NARAKU SPORTS VARIATOR FOR PGO SCOOTERS NK900.22. DELIVERY INCLUDES VARIATOR... MSRP: $59.95 Was: $59.95 Now: $52.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-197-2 50cc SSP-G PERFORMANCE SUPER TRANSMISSION KIT QMB139 50cc MOTORS *NEW VERSION* SSP-G AFTER-MARKET PERFORMANCE GY6 50 TRANSMISSION KIT FOR QMB139 ENGINES. PLEASE NOTE: IF INSTALLING ON A GENUINE BUDDY 50 OR ROUGHHOUSE 50 YOU MUST REUSE THE STOCK DRIVE FACE. 1500 RPM SPRING SPRING INNER DIAMETER: 49MM SPRING... MSRP: $199.95 Was: $199.95 Now: $109.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1280 RDLN RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 125 - 200CC GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $39.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1279 RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50cc 80cc 100cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 50- 100CC 139QMB GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $37.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1283 RDLN GEAR SET (17*49) FOR 50cc / 72cc / 100cc QMB139 ENGINES DESCRIPTION IS YOUR 50 - 100CC 139QMB ENGINE REVVING SUPER HIGH, BUT YOU'RE NOT SEEING FASTER TOP END SPEED? DEPENDING ON YOUR SETUP, RDLN'S PERFORMANCE GEAR SET 17/49 COULD NET YOU AS MUCH AS ANOTHER 4 - 7 MPH. SPECIFICATIONS: MATERIAL TYPE:... MSRP: Now: $27.95 Choose Options Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Details RDLN / RED LINE | sku: 1200-1279 RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50cc 80cc 100cc MSRP: Now: $37.95 Add to Cart Compare Quick view Details RDLN / RED LINE | sku: 1200-1283 RDLN GEAR SET (17*49) FOR 50cc / 72cc / 100cc QMB139 ENGINES MSRP: Now: $27.95 Choose Options Compare Quick view Details GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER MSRP: Now: $9.95 Choose Options Compare Quick view Details POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 MSRP: Now: $19.99 Choose Options Compare Quick view Details GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 MSRP: Now: $5.95 Out of stock Compare Quick view Details J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters MSRP: Now: $149.95 Out of stock Compare Quick view Details SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE MSRP: Now: $44.00 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare SALE Quick view NARAKU | sku: NK900.22 NARAKU VARIATOR FOR 50cc PGO GENUINE SCOOTERS BUDDY ROUGHHOUSE PMX LIGERO BUBU NARAKU PERFORMANCE SPORT VARIATOR FOR PGO GENUINE SCOOTERS BUDDY 50, ROUGHHOUSE R50, PMX 50, LIGERO 50, BUBU 50 DOES NOT INCLUDE 16X13 ROLLERS *SOLD SEPARATE IN OUR STORE* NARAKU SPORTS VARIATOR FOR PGO SCOOTERS NK900.22. DELIVERY INCLUDES VARIATOR... MSRP: $59.95 Was: $59.95 Now: $52.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-197-2 50cc SSP-G PERFORMANCE SUPER TRANSMISSION KIT QMB139 50cc MOTORS *NEW VERSION* SSP-G AFTER-MARKET PERFORMANCE GY6 50 TRANSMISSION KIT FOR QMB139 ENGINES. PLEASE NOTE: IF INSTALLING ON A GENUINE BUDDY 50 OR ROUGHHOUSE 50 YOU MUST REUSE THE STOCK DRIVE FACE. 1500 RPM SPRING SPRING INNER DIAMETER: 49MM SPRING... MSRP: $199.95 Was: $199.95 Now: $109.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1280 RDLN RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 125 - 200CC GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $39.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1279 RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50cc 80cc 100cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 50- 100CC 139QMB GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $37.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1283 RDLN GEAR SET (17*49) FOR 50cc / 72cc / 100cc QMB139 ENGINES DESCRIPTION IS YOUR 50 - 100CC 139QMB ENGINE REVVING SUPER HIGH, BUT YOU'RE NOT SEEING FASTER TOP END SPEED? DEPENDING ON YOUR SETUP, RDLN'S PERFORMANCE GEAR SET 17/49 COULD NET YOU AS MUCH AS ANOTHER 4 - 7 MPH. SPECIFICATIONS: MATERIAL TYPE:... MSRP: Now: $27.95 Choose Options Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Details RDLN / RED LINE | sku: 1200-1283 RDLN GEAR SET (17*49) FOR 50cc / 72cc / 100cc QMB139 ENGINES MSRP: Now: $27.95 Choose Options Compare Quick view Details GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER MSRP: Now: $9.95 Choose Options Compare Quick view Details POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 MSRP: Now: $19.99 Choose Options Compare Quick view Details GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 MSRP: Now: $5.95 Out of stock Compare Quick view Details J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters MSRP: Now: $149.95 Out of stock Compare Quick view Details SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE MSRP: Now: $44.00 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare SALE Quick view NARAKU | sku: NK900.22 NARAKU VARIATOR FOR 50cc PGO GENUINE SCOOTERS BUDDY ROUGHHOUSE PMX LIGERO BUBU NARAKU PERFORMANCE SPORT VARIATOR FOR PGO GENUINE SCOOTERS BUDDY 50, ROUGHHOUSE R50, PMX 50, LIGERO 50, BUBU 50 DOES NOT INCLUDE 16X13 ROLLERS *SOLD SEPARATE IN OUR STORE* NARAKU SPORTS VARIATOR FOR PGO SCOOTERS NK900.22. DELIVERY INCLUDES VARIATOR... MSRP: $59.95 Was: $59.95 Now: $52.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-197-2 50cc SSP-G PERFORMANCE SUPER TRANSMISSION KIT QMB139 50cc MOTORS *NEW VERSION* SSP-G AFTER-MARKET PERFORMANCE GY6 50 TRANSMISSION KIT FOR QMB139 ENGINES. PLEASE NOTE: IF INSTALLING ON A GENUINE BUDDY 50 OR ROUGHHOUSE 50 YOU MUST REUSE THE STOCK DRIVE FACE. 1500 RPM SPRING SPRING INNER DIAMETER: 49MM SPRING... MSRP: $199.95 Was: $199.95 Now: $109.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1280 RDLN RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 125 - 200CC GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $39.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1279 RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50cc 80cc 100cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 50- 100CC 139QMB GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $37.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1283 RDLN GEAR SET (17*49) FOR 50cc / 72cc / 100cc QMB139 ENGINES DESCRIPTION IS YOUR 50 - 100CC 139QMB ENGINE REVVING SUPER HIGH, BUT YOU'RE NOT SEEING FASTER TOP END SPEED? DEPENDING ON YOUR SETUP, RDLN'S PERFORMANCE GEAR SET 17/49 COULD NET YOU AS MUCH AS ANOTHER 4 - 7 MPH. SPECIFICATIONS: MATERIAL TYPE:... MSRP: Now: $27.95 Choose Options Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Details GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER MSRP: Now: $9.95 Choose Options Compare Quick view Details POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 MSRP: Now: $19.99 Choose Options Compare Quick view Details GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 MSRP: Now: $5.95 Out of stock Compare Quick view Details J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters MSRP: Now: $149.95 Out of stock Compare Quick view Details SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE MSRP: Now: $44.00 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare SALE Quick view NARAKU | sku: NK900.22 NARAKU VARIATOR FOR 50cc PGO GENUINE SCOOTERS BUDDY ROUGHHOUSE PMX LIGERO BUBU NARAKU PERFORMANCE SPORT VARIATOR FOR PGO GENUINE SCOOTERS BUDDY 50, ROUGHHOUSE R50, PMX 50, LIGERO 50, BUBU 50 DOES NOT INCLUDE 16X13 ROLLERS *SOLD SEPARATE IN OUR STORE* NARAKU SPORTS VARIATOR FOR PGO SCOOTERS NK900.22. DELIVERY INCLUDES VARIATOR... MSRP: $59.95 Was: $59.95 Now: $52.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-197-2 50cc SSP-G PERFORMANCE SUPER TRANSMISSION KIT QMB139 50cc MOTORS *NEW VERSION* SSP-G AFTER-MARKET PERFORMANCE GY6 50 TRANSMISSION KIT FOR QMB139 ENGINES. PLEASE NOTE: IF INSTALLING ON A GENUINE BUDDY 50 OR ROUGHHOUSE 50 YOU MUST REUSE THE STOCK DRIVE FACE. 1500 RPM SPRING SPRING INNER DIAMETER: 49MM SPRING... MSRP: $199.95 Was: $199.95 Now: $109.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1280 RDLN RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 125 - 200CC GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $39.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1279 RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50cc 80cc 100cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 50- 100CC 139QMB GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $37.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1283 RDLN GEAR SET (17*49) FOR 50cc / 72cc / 100cc QMB139 ENGINES DESCRIPTION IS YOUR 50 - 100CC 139QMB ENGINE REVVING SUPER HIGH, BUT YOU'RE NOT SEEING FASTER TOP END SPEED? DEPENDING ON YOUR SETUP, RDLN'S PERFORMANCE GEAR SET 17/49 COULD NET YOU AS MUCH AS ANOTHER 4 - 7 MPH. SPECIFICATIONS: MATERIAL TYPE:... MSRP: Now: $27.95 Choose Options Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Details POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 MSRP: Now: $19.99 Choose Options Compare Quick view Details GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 MSRP: Now: $5.95 Out of stock Compare Quick view Details J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters MSRP: Now: $149.95 Out of stock Compare Quick view Details SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE MSRP: Now: $44.00 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare SALE Quick view NARAKU | sku: NK900.22 NARAKU VARIATOR FOR 50cc PGO GENUINE SCOOTERS BUDDY ROUGHHOUSE PMX LIGERO BUBU NARAKU PERFORMANCE SPORT VARIATOR FOR PGO GENUINE SCOOTERS BUDDY 50, ROUGHHOUSE R50, PMX 50, LIGERO 50, BUBU 50 DOES NOT INCLUDE 16X13 ROLLERS *SOLD SEPARATE IN OUR STORE* NARAKU SPORTS VARIATOR FOR PGO SCOOTERS NK900.22. DELIVERY INCLUDES VARIATOR... MSRP: $59.95 Was: $59.95 Now: $52.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-197-2 50cc SSP-G PERFORMANCE SUPER TRANSMISSION KIT QMB139 50cc MOTORS *NEW VERSION* SSP-G AFTER-MARKET PERFORMANCE GY6 50 TRANSMISSION KIT FOR QMB139 ENGINES. PLEASE NOTE: IF INSTALLING ON A GENUINE BUDDY 50 OR ROUGHHOUSE 50 YOU MUST REUSE THE STOCK DRIVE FACE. 1500 RPM SPRING SPRING INNER DIAMETER: 49MM SPRING... MSRP: $199.95 Was: $199.95 Now: $109.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1280 RDLN RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 125 - 200CC GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $39.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1279 RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50cc 80cc 100cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 50- 100CC 139QMB GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $37.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1283 RDLN GEAR SET (17*49) FOR 50cc / 72cc / 100cc QMB139 ENGINES DESCRIPTION IS YOUR 50 - 100CC 139QMB ENGINE REVVING SUPER HIGH, BUT YOU'RE NOT SEEING FASTER TOP END SPEED? DEPENDING ON YOUR SETUP, RDLN'S PERFORMANCE GEAR SET 17/49 COULD NET YOU AS MUCH AS ANOTHER 4 - 7 MPH. SPECIFICATIONS: MATERIAL TYPE:... MSRP: Now: $27.95 Choose Options Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Details GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 MSRP: Now: $5.95 Out of stock Compare Quick view Details J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters MSRP: Now: $149.95 Out of stock Compare Quick view Details SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE MSRP: Now: $44.00 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare SALE Quick view NARAKU | sku: NK900.22 NARAKU VARIATOR FOR 50cc PGO GENUINE SCOOTERS BUDDY ROUGHHOUSE PMX LIGERO BUBU NARAKU PERFORMANCE SPORT VARIATOR FOR PGO GENUINE SCOOTERS BUDDY 50, ROUGHHOUSE R50, PMX 50, LIGERO 50, BUBU 50 DOES NOT INCLUDE 16X13 ROLLERS *SOLD SEPARATE IN OUR STORE* NARAKU SPORTS VARIATOR FOR PGO SCOOTERS NK900.22. DELIVERY INCLUDES VARIATOR... MSRP: $59.95 Was: $59.95 Now: $52.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-197-2 50cc SSP-G PERFORMANCE SUPER TRANSMISSION KIT QMB139 50cc MOTORS *NEW VERSION* SSP-G AFTER-MARKET PERFORMANCE GY6 50 TRANSMISSION KIT FOR QMB139 ENGINES. PLEASE NOTE: IF INSTALLING ON A GENUINE BUDDY 50 OR ROUGHHOUSE 50 YOU MUST REUSE THE STOCK DRIVE FACE. 1500 RPM SPRING SPRING INNER DIAMETER: 49MM SPRING... MSRP: $199.95 Was: $199.95 Now: $109.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1280 RDLN RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 125 - 200CC GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $39.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1279 RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50cc 80cc 100cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 50- 100CC 139QMB GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $37.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1283 RDLN GEAR SET (17*49) FOR 50cc / 72cc / 100cc QMB139 ENGINES DESCRIPTION IS YOUR 50 - 100CC 139QMB ENGINE REVVING SUPER HIGH, BUT YOU'RE NOT SEEING FASTER TOP END SPEED? DEPENDING ON YOUR SETUP, RDLN'S PERFORMANCE GEAR SET 17/49 COULD NET YOU AS MUCH AS ANOTHER 4 - 7 MPH. SPECIFICATIONS: MATERIAL TYPE:... MSRP: Now: $27.95 Choose Options Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Details J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters MSRP: Now: $149.95 Out of stock Compare Quick view Details SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE MSRP: Now: $44.00 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare SALE Quick view NARAKU | sku: NK900.22 NARAKU VARIATOR FOR 50cc PGO GENUINE SCOOTERS BUDDY ROUGHHOUSE PMX LIGERO BUBU NARAKU PERFORMANCE SPORT VARIATOR FOR PGO GENUINE SCOOTERS BUDDY 50, ROUGHHOUSE R50, PMX 50, LIGERO 50, BUBU 50 DOES NOT INCLUDE 16X13 ROLLERS *SOLD SEPARATE IN OUR STORE* NARAKU SPORTS VARIATOR FOR PGO SCOOTERS NK900.22. DELIVERY INCLUDES VARIATOR... MSRP: $59.95 Was: $59.95 Now: $52.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-197-2 50cc SSP-G PERFORMANCE SUPER TRANSMISSION KIT QMB139 50cc MOTORS *NEW VERSION* SSP-G AFTER-MARKET PERFORMANCE GY6 50 TRANSMISSION KIT FOR QMB139 ENGINES. PLEASE NOTE: IF INSTALLING ON A GENUINE BUDDY 50 OR ROUGHHOUSE 50 YOU MUST REUSE THE STOCK DRIVE FACE. 1500 RPM SPRING SPRING INNER DIAMETER: 49MM SPRING... MSRP: $199.95 Was: $199.95 Now: $109.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1280 RDLN RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 125 - 200CC GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $39.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1279 RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50cc 80cc 100cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 50- 100CC 139QMB GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $37.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1283 RDLN GEAR SET (17*49) FOR 50cc / 72cc / 100cc QMB139 ENGINES DESCRIPTION IS YOUR 50 - 100CC 139QMB ENGINE REVVING SUPER HIGH, BUT YOU'RE NOT SEEING FASTER TOP END SPEED? DEPENDING ON YOUR SETUP, RDLN'S PERFORMANCE GEAR SET 17/49 COULD NET YOU AS MUCH AS ANOTHER 4 - 7 MPH. SPECIFICATIONS: MATERIAL TYPE:... MSRP: Now: $27.95 Choose Options Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
Quick view Details SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE MSRP: Now: $44.00 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare SALE Quick view NARAKU | sku: NK900.22 NARAKU VARIATOR FOR 50cc PGO GENUINE SCOOTERS BUDDY ROUGHHOUSE PMX LIGERO BUBU NARAKU PERFORMANCE SPORT VARIATOR FOR PGO GENUINE SCOOTERS BUDDY 50, ROUGHHOUSE R50, PMX 50, LIGERO 50, BUBU 50 DOES NOT INCLUDE 16X13 ROLLERS *SOLD SEPARATE IN OUR STORE* NARAKU SPORTS VARIATOR FOR PGO SCOOTERS NK900.22. DELIVERY INCLUDES VARIATOR... MSRP: $59.95 Was: $59.95 Now: $52.95 Add to Cart Compare SALE Quick view SSP-G | sku: 169-197-2 50cc SSP-G PERFORMANCE SUPER TRANSMISSION KIT QMB139 50cc MOTORS *NEW VERSION* SSP-G AFTER-MARKET PERFORMANCE GY6 50 TRANSMISSION KIT FOR QMB139 ENGINES. PLEASE NOTE: IF INSTALLING ON A GENUINE BUDDY 50 OR ROUGHHOUSE 50 YOU MUST REUSE THE STOCK DRIVE FACE. 1500 RPM SPRING SPRING INNER DIAMETER: 49MM SPRING... MSRP: $199.95 Was: $199.95 Now: $109.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1280 RDLN RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 125 - 200CC GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $39.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1279 RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50cc 80cc 100cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 50- 100CC 139QMB GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $37.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1283 RDLN GEAR SET (17*49) FOR 50cc / 72cc / 100cc QMB139 ENGINES DESCRIPTION IS YOUR 50 - 100CC 139QMB ENGINE REVVING SUPER HIGH, BUT YOU'RE NOT SEEING FASTER TOP END SPEED? DEPENDING ON YOUR SETUP, RDLN'S PERFORMANCE GEAR SET 17/49 COULD NET YOU AS MUCH AS ANOTHER 4 - 7 MPH. SPECIFICATIONS: MATERIAL TYPE:... MSRP: Now: $27.95 Choose Options Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
SALE Quick view Details NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare
SALE Quick view Details NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare
SALE Quick view NARAKU | sku: NK900.22 NARAKU VARIATOR FOR 50cc PGO GENUINE SCOOTERS BUDDY ROUGHHOUSE PMX LIGERO BUBU NARAKU PERFORMANCE SPORT VARIATOR FOR PGO GENUINE SCOOTERS BUDDY 50, ROUGHHOUSE R50, PMX 50, LIGERO 50, BUBU 50 DOES NOT INCLUDE 16X13 ROLLERS *SOLD SEPARATE IN OUR STORE* NARAKU SPORTS VARIATOR FOR PGO SCOOTERS NK900.22. DELIVERY INCLUDES VARIATOR... MSRP: $59.95 Was: $59.95 Now: $52.95 Add to Cart Compare
SALE Quick view SSP-G | sku: 169-197-2 50cc SSP-G PERFORMANCE SUPER TRANSMISSION KIT QMB139 50cc MOTORS *NEW VERSION* SSP-G AFTER-MARKET PERFORMANCE GY6 50 TRANSMISSION KIT FOR QMB139 ENGINES. PLEASE NOTE: IF INSTALLING ON A GENUINE BUDDY 50 OR ROUGHHOUSE 50 YOU MUST REUSE THE STOCK DRIVE FACE. 1500 RPM SPRING SPRING INNER DIAMETER: 49MM SPRING... MSRP: $199.95 Was: $199.95 Now: $109.95 Add to Cart Compare
Quick view RDLN / RED LINE | sku: 1200-1280 RDLN RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY GY6 150CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 125 - 200CC GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $39.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1279 RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50cc 80cc 100cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 50- 100CC 139QMB GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $37.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1283 RDLN GEAR SET (17*49) FOR 50cc / 72cc / 100cc QMB139 ENGINES DESCRIPTION IS YOUR 50 - 100CC 139QMB ENGINE REVVING SUPER HIGH, BUT YOU'RE NOT SEEING FASTER TOP END SPEED? DEPENDING ON YOUR SETUP, RDLN'S PERFORMANCE GEAR SET 17/49 COULD NET YOU AS MUCH AS ANOTHER 4 - 7 MPH. SPECIFICATIONS: MATERIAL TYPE:... MSRP: Now: $27.95 Choose Options Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
Quick view RDLN / RED LINE | sku: 1200-1279 RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50cc 80cc 100cc RED LINE ADJUSTABLE SHEAVE CLUTCH PULLEY 139QMB 50CC THIS RDLN ADJUSTABLE SHEAVE CLUTCH PULLEY GIVES YOU MORE POWER OFF THE LINE AND MORE GRADUAL ENGAGEMENT GIVES YOUR 50- 100CC 139QMB GY6 TRANSMISSION MORE POWER AT TOP SPEED... MSRP: Now: $37.95 Add to Cart Compare Quick view RDLN / RED LINE | sku: 1200-1283 RDLN GEAR SET (17*49) FOR 50cc / 72cc / 100cc QMB139 ENGINES DESCRIPTION IS YOUR 50 - 100CC 139QMB ENGINE REVVING SUPER HIGH, BUT YOU'RE NOT SEEING FASTER TOP END SPEED? DEPENDING ON YOUR SETUP, RDLN'S PERFORMANCE GEAR SET 17/49 COULD NET YOU AS MUCH AS ANOTHER 4 - 7 MPH. SPECIFICATIONS: MATERIAL TYPE:... MSRP: Now: $27.95 Choose Options Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
Quick view RDLN / RED LINE | sku: 1200-1283 RDLN GEAR SET (17*49) FOR 50cc / 72cc / 100cc QMB139 ENGINES DESCRIPTION IS YOUR 50 - 100CC 139QMB ENGINE REVVING SUPER HIGH, BUT YOU'RE NOT SEEING FASTER TOP END SPEED? DEPENDING ON YOUR SETUP, RDLN'S PERFORMANCE GEAR SET 17/49 COULD NET YOU AS MUCH AS ANOTHER 4 - 7 MPH. SPECIFICATIONS: MATERIAL TYPE:... MSRP: Now: $27.95 Choose Options Compare Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
Quick view GY6 STORE TORQUE COMPRESSION & CLUTCH SPRINGS 50cc 80cc 100cc QMB139 SCOOTER RPM TORQUE COMPRESSION SPRING & RPM CLUTCH SPRING FOR 50cc - 100cc QMB139 MOTORS THE TORQUE SPRING KEEPS YOU IN A LOWER GEAR RATIO LONGER, BUT STILL ALLOWS YOU TO REACH YOUR ORIGINAL TOP END THE CLUTCH SPRINGS... MSRP: Now: $9.95 Choose Options Compare Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
Quick view POLINI | sku: 146-10 POLINI ROLLER WEIGHTS FOR HONDA RUCKUS 16x13 POLINI ROLLER WEIGHTS SIZE 16X13 FOR HONDA RUCKUS 50CC SCOOTERS. PLEASE CHOOSE SIZE FROM DROP DOWN MENU. THESE ALSO FIT QMB139, HONDA ELITE SA/SR50 AND MANY OTHER 50CC SCOOTERS THAT USE 16X13 SIZE ROLLER WEIGHTS. MSRP: Now: $19.99 Choose Options Compare Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
Quick view GY6 STORE | sku: 00017 PERFORMANCE *1000 RPM* TORQUE COMPRESSION SPRING FOR 50cc - 100cc QMB139 1000 RPM TORQUE COMPRESSION SPRING (PERFORMANCE) FOR 50cc 60cc 80cc 100cc QMB139 COMPRESSION SPRINGS DO A COUPLE OF THINGS. FIRST THEY SUPPLY THE PRESSURE TO ENGAGE THE BELT. THEY ALSO DETERMINE THE RATE AT WHICH... MSRP: Now: $5.95 Out of stock Compare Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected × OK
Quick view J.COSTA | sku: 184-10 J.Costa Variator Kit - QMB139 50cc scooters J.COSTA PRO VARIATOR KIT FOR KYMCO AGILITY 50 AND QMB139 50CC 4T CHINESE SCOOTERS. THIS COMPLETE VARIATOR KIT CONSISTS OF THE VARIATOR BODY, BELL, BUSHING, SLIDER AND ROLLERS. IT IS RECOMMENDED THAT THE ASSEMBLY IS DONE BY PROFESSIONALS TO ENSURE PROPER... MSRP: Now: $149.95 Out of stock Compare Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected
Quick view SSP-G | sku: 169-382 SSP-G 50cc - 100cc QMB139 ADJUSTABLE DRIVE SHEAVE SSP-G ADJUSTABLE DRIVE SHEAVE FOR 50CC, 4-STROKE QMB139 ENGINES. PLEASE NOTE: CSC GO SCOOTERS WILL REQUIRE 3X CLUTCH PINS 151-148 TO INSTALL THIS DRIVE SHEAVE. OVERALL OUTER DIAMETER: 118mm INNER DIAMETER: 34mm FITS SOME. MODELS... MSRP: Now: $44.00 Add to Cart Compare SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare 1 2 3 4 5 6 Next 1 2 3 4 5 6 Next Compare Selected
SALE Quick view NCY | sku: 1200-1269-P NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY PERFORMANCE GEAR SET (16*42) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS CHANGE THE GEAR RATIO ON YOU MOTOR FOR MORE PERFORMANCE GEAR SET 16*42 FOR 139QMB 49/50CC 4-STROKE ENGINES. THE FINAL DRIVE RATIO IS THE LAST BIT OF... MSRP: $99.95 Was: $99.95 Now: $89.95 Add to Cart Compare
SALE Quick view NCY | sku: 1200-1271-P NCY PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50cc qmb139 MOTORS *PRESSED & READY FOR INSTALL* NCY HIGH PERFORMANCE GEAR SET (17*41) FOR CHINESE SCOOTERS WITH 50CC QMB139 MOTORS NUMBER OF SPLINES: 19 INNER DIAMETER (SPLINES PEAK TO PEAK): 18MM THICKNESS: 15.5MM RATIO 2.41NCY QMB139 UPGEAR KIT FOR YOUR 50CC 4-STROKES... MSRP: $97.50 Was: $97.50 Now: $89.95 Add to Cart Compare
