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14.3.2 Cylinder body inspection
Check abrasion of inner wall of cylinder.
Change it if abrasion is severe.
Check flatness of cylinder face.
Usage limit: 0.05
14.4 Piston
14.4.1 Removal
Remove retaining ring of piston pin.
Note: don’t allow the retaining ring fall into the crankcase
during unloading. Remove the piston pin and unload the
piston.
Examine the piston, the piston pin and the piston ring.
Remove the piston ring.
Note：don’t break off or damage the piston ring. Clear the
carbon deposit in the piston ring groove.
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