Total thickness 14.5mm engine past June 2009 with a needle bearing in the right side of the secondary shaft gearbox. Number of teeth: 22
ID 15mm
Thickness: 7.15mm
 
Assignment dirt bike Engine YX start from 2009 :
YCF-140 1P56FMJ
YCF-149-5 1P56FMJ
YCF-150 1P60FMJ KLX-type cylinder head
YX-125 153FMI
YX-140 1P56FMJ
YX-149-5 1P56FMJ
YX-150 1P60FMJ
YX-160 1P60FMK
150/160 Gunshot
125/140/149/150 UPower
APOLLO 150-KLX-type cylinder head
ZRG 150-KLX-type cylinder head
150/160 DREAM since 2009