Yingang YG125-25, Руководство по обслуживанию

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YG125-25 Maintenance Manual Cylinder Head, Cylinder and Piston
5. Remove cylinder connecting bolt
6. Remove the tensioner
7. Remove the cylinder; remove the cylinder gasket.
Notice:
Do not drop the location pin into the crankcase.
Do not bruise the cylinder wall.
To mount the cylinder :
Installation is in the reverse order of removal. Precautions
for installation:
1. Confirm the location pin; clean all parts and
components, and check whether the cylinder oil
through is unobstructed, clean and free of leak
2. Replace a new cylinder gasket, and confirm the
notch direction of the piston ring; mount the cylinder
after fastening the piston with the piston slide gage
seat
Cylinder inspection
Check the cylinder for abrasion or damage, and check the
cylinder wall for scratch.
Chain slide
Whether the cylinder wall is scratched
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