Zenoah G320PUM Owner's Manual page 21

Service Guide
Fig.7
Arrow mark
End Gap
Cerclip
Fig.8
Cover, TR
Area to
apply
4. INSTALLING PISTON (Fig.7)
1) Make sure to point the arrow mark on the piston to the
Piston
exhaust side.
2) Fit the circlip in the groove so as to face the end gap
below.
CAUTION
Deformed circlip may come off during engine
operation and damage the engine.
5. APPLY LIQUID GASKET (Fig.8)
Hex
Apply the liquid gasket (Three Bond TB1217F) when
2.5mm
taking the Cover, TR on or off.
CAUTION
Apply a thin layer. Do not let the liquid casket enter
the cylinder. This could cause damage to the engine.
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