Driven Mainshaft GY6 50 cc 4T
139QMB, GY6
L: 149mm, T: 16/22 
9.29
OIL LEVEL GAUGE GY6 139QMB
139QMB 50cm3 4T L: 77mm D: 19mm
 
SHAFT FINAL 50cc 2T 4T L:128mm Z: 19/19
QT-E,QT-L, EXPLORER
L: 128mm, T: 19/19