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20
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STEP 12
STEP 13
STEP 14
GROMMET
(EX13,17,21 only)
STARTING
PULLEY
FLYWHEEL
M14 NUT : 1 pc. (EX13,17,21)
M18 NUT : 1 pc. (EX27)
M6 x 25 BOLT an
d
WASHER : 2 pcs.
Fig. 5-9
Step Parts to remove Remarks and procedues Fasteners
12
Ignition coil Remove the spark plug cap from the spark plug and
remove the ignition coil from the crankcase.
10 mm box spanner
M6 × 25mm : 2 pcs.
13
Starting pulley Remove the starting pulley from the flywheel.
Fit a box wrench or a socket wrench on the flywheel nut
and loosen the nut by knocking the wrench sharply with a
hammer. (See Fig. 5-10)
NOTE:
1) Do not insert a screwdriver or other object between the
flywheel blades, otherwise the risk of damaging the
blades might be occured.
2) Knock the wrench with a hammer in a counter
clockwise direction.
3) The fan of the Model EX21 engine is made of
synthetic resin. Take the utmost care when handling it.
19 (24) mm box spanner o
r
socket wrench M14 nut
(Models EX13, 17 and 21)
M18 nut (Model EX27)
14
Flywheel Remove the flywheel from the crankshaft. Leave the nut
temporarily to prevent the flywheel from dropping out. Fit
the flywheel puller as shown in Figure 5-11 and remove
the flywheel from the crankshaft by rotating the bolt at the
center in a clockwise direction.
(Knock the center bolt with a hammer sometimes)
Flywheel puller
Fig. 5-10 Fig. 5-11
FLYWHEEL PULLER
ATTACH NUT
TEMPORARILY