Removing Piston Pin; Installing Piston; Carburetor Adjustment - Zenoah G230RC Owner's Service Manual

7. Service Guide
Rod Assy
Plastic
Hammer
End Gap
Arrow Mark
Piston
H needle
Idle Screw
10

4) REMOVING PISTON PIN

Piston
Hard hammering may damage the big end of
the connecting rod.

5) INSTALLING PISTON

Circlip
Deformed circlip may come off during engine
operation and damage the engine.

6) CARBURETOR ADJUSTMENT

L needle
1. Remove snap rings from both sides of the
piston pin.
2. Engage the rod assy(1101-96220) to the
piston pin and gently tap with a plastic hammer
to push out the pin while holding piston firmly.
NOTE
1. Make sure to point the arrow mark on the
piston to the exhaust side.
2. Fit the circlip in the groove so as to face the
end gap below.
NOTE
The carburetor comes with a standard setting, it
is for optimum performance under the barometric
pressure and climatic conditions at factory, so it
may be re-adjusted according to load applied.
Idle rpm : 4000 ± 300 rpm (STD Spring)
H needle : 1 3/8 ± 1/4
L needle : 1 1/4 ± 1/4