4-1
ZHEJIANG KAYO MOTOR CO., LTD.
Remove O-ring from cam chain regulator. Lock cam regulator bolt to release regulator.
Turn fly wheel with wrench, to let the T mark face the crankcase mark and make sure
chain hole to compressive mark, refer to picture.
Remove cam shaft fixed seat nut and screw.
Remove fixed seat and rocket arms. Take chain out from cam, remove cam last.
Check the cam shaft condition.
Limitation IN: 29.440mm, lower replace
EX: 29.160mm lower replace
If the cam assay loose or wear, replace.