Measure the wrist-pin end of connecting rod
Allowable limit: 14.06mm。
13.4.2 Assembly of piston
Assemble the pin
Apply machine oil to all piston rings and pistons. To assemble the
piston ring with upward slope
Attentions：
The piston should not be scratched; the piston ring should not be broken
The piston ring can be rotated freely in the groove after assembly.
Clean the gasket on the crankcase
Attentions:
No foreign materials in the crankcase
Install piston, piston pin and piston pin retainer
Attentions:
The side of piston skirt with gap should be installed facing
the inlet
13.5 Assembly of piston
Install the gasket on the crankcase
Apply machine oil to the inside wall of cylinder, piston and piston ring
Be careful to put the piston ring into the cylinder
Attentions:
No damage to piston ring
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