132
Measure the inner diameter of the smaller end of the
connecting rod.
Limit for use: 10.018mm
。
13.4.2 Piston Installation
Install the locating pin.
Apply fuel to each piston ring and pistion. Install the piston
ring with inclined side upward.
Note:
Do not scratch the piston or break the piston ring.
After the piston ring is installed, it shall be able to
rotate freely in the piston ring groove.
Remove any residual spacer attached to the crankcase.
Note:
Do not make any object fall into the crankcase.
Install the piston, piston pin and retainer ring.
Note:
The notch side of the piston skirt shall face the air intake
channel for installation.
13.5 Piston installation
Install the spacer on the crankcase.
Apply fuel to the inner wall of the cylinder, piston and piston ring.
Carefully install the piston ring into the cylinder.
Note:
Do not damage the piston ring.
顶环
第二环
Smaller end of the connecting rod
Notch
