NARAKU SUPER TRANSMISSION KIT FOR 50cc QMB139 ENGINES. KIT INCLUDES: VARIATOR, VARIATOR DRIVE FACE, BELT, TORQUE SPRING BASE, CLUTCH AND CLUTCH BELL. 699mm LENGTH BELT IS FOR SHORT CASE ENGINES THAT USE A 10' WHEEL
ROLLER WEIGHT SIZE: 16X13mm (6g)
VARIATOR OUTER DIAMETER: 88mm
CLUTCH DRUM NUMBER OF SPLINES: 22
CLUTCH DRUM SPLINE INNER DIAMETER (PEAK TO PEAK): 11.10mm
SLIDING TORQUE SPRING BASE OUTER DIAMETER: 118mm
DRIVE FACE NUMBER OF SPLINES: 26
DRIVE FACE SPLINE INNER DIAMETER (PEAK TO PEAK): 13mm
DRIVE FACE OUTER DIAMETER: 113.7mm
FITS JONWAY, JMSTAR, ROKETA, SUNL, TANK, PEACE, TAOTAO, GATOR AND MANY OTHERS