Service Guide - Zenoah G231PUM Owner's Service Manual

13. Service Guide

Fig.6
Fig.7
Fig.8
Fig.9
Fig.10
14
1. REMOVING ROTOR
1) Remove the spark plug, fit the piston stopper
(P/N: 4810-96220) into the cylinder.
2) Remove the rotor nut (13mm Hex) by (ratchet)
spanner. (Fig.6)
3) Remove the rotor using puller assy (P/N:
1490-96101). (Fig.7)
2. ASSEMBLING ROTOR/SOURCE COIL (Fig.8)
1) Insert the 0.3mm plate in between the rotor
magnet metal and the coil iron core
2) Tighten screws (M4x2) while pressing the
source coil toward rotor.
3) Remove the 0.3mm plate and confirm that the
air gap is 0.3~0.4mm by thickness gage.
3. REMOVING PISTON PIN (Fig.9)
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.
CAUTION
Hard hammering may damage the big end of
the connecting rod.
4. INSTALLING PISTON (Fig.10)
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.
CAUTION
Deformed circlip may come off during engine
operation and damage the engine.