Intermediate gear kick 125/140/149/150/160 YX / YCF / UPower -2007/8/9-

Thickness total 17mm for engine before to June 2009 with a ball bearing on the right side of the countershaft.
 
Number of tooth: 22
engine assignment:
140 YCF-1P56FMJ
149 YCF-1P56FMJ-5
125 YX-153FMI
140 YX-1P56FMJ
149 YX-1P56FMJ-5
YX-1P60FMJ 150
160 YX-1P60FMK
125/140/149/150 UPOWER