Secondary Sliding Sheave Assy./ Black For RACING S 125
Code: 693A05SRS6AATF
Scale:
Class:
KYMCO
< Domestic Models >
RACING S 125
RACING S 150
RACING S 125 (ABS)
There are 2 types of gaps for adjusting by riders’ requirement.
Curved gap: comfortable riding and save gas.
Straight gap: racing riding, rpm reacts fast.
Change secondary sliding sheave assy. to increase speed changing stroke. 
Make low speed power input early and extend end speed.
Need to maintain oil seal regularly.
This is increasing stroke product, so it needs more space for working. Suggest using NCY or original clutch housing. If using other brand housing, just grind it when it is needed.