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SERVICE GUIDE
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 1/8 ± 1/4
L needle : 1 1/4 ± 1/4
NOTE
Arrow Mark
Circlip
End Gap
Piston
H needle
L needle
Idle Screw