7. Service Guide
4) REMOVING PISTON PIN
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.
Hard hammering may damage the big end of
the connecting rod.
5) INSTALLING PISTON
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.
Deformed circlip may come off during engine
operation and damage the engine.
6) CARBURETOR ADJUSTMENT
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
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