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CDI MAGNETO
REMOVING THE ROTOR
1. Remove:
• Nut (rotor) "1"
• Washer "2"
Use the rotor holding tool "3".
2. Remove:
• Rotor "1"
Use the flywheel puller "2".
When installing the flywheel puller,
turn it counterclockwise.
CHECKING THE CDI MAGNETO
1. Inspect:
• Rotor inner surface "a"
• Stator outer surface "b"
Damage→Inspect the crankshaft
runout and crankshaft bearing.
If necessary, replace CDI magne-
to and/or stator.
CHECKING THE WOODRUFF KEY
1. Inspect:
• Woodruff key "1"
Damage → Replace.
INSTALLING THE CDI MAGNETO
1. Install:
• Stator "1"
• Screw (stator) "2"
Temporarily tighten the screws (sta-
tor) at this point.
2. Install:
• Woodruff key "1"
• Rotor "2"
• Clean the tapered portions of the
crankshaft and rotor.
• When installing the woodruff key,
make sure that its flat surface "a" is
in parallel with the crankshaft center
line "b".
• When installing the rotor, align the
keyway "c" of the rotor with the
woodruff key.
3. Install:
• Washer "1"
• Nut (rotor) "2"
Use the rotor holding tool "3".
4. Adjust:
• Ignition timing
Refer to "CHECKING THE IGNI-
TION TIMING" section in the
CHAPTER 3.
5. Tighten:
• Screw (stator) "1"
6. Check:
• Ignition timing
Re-check the ignition timing.
7. Connect:
• CDI magneto lead "1"
Refer to "CABLE ROUTING DIA-
GRAM" section in the CHAPTER
2.
8. Install:
• Gasket (left crankcase cover)
• Left crankcase cover "1"
• Screw (left crankcase cover) "2"
Tighten the screws in stage, using a
crisscross pattern.
Rotor holding tool:
YU-01235/90890-01235
Flywheel puller:
YM-01189/90890-01189
Nut (rotor):
56 Nm (5.6 m•kg, 40
ft•lb)
Rotor holding tool:
YU-01235/90890-01235
Ignition timing (B.T.D.C):
0.18 mm (0.007 in)
Screw (stator):
7 Nm (0.7 m•kg, 5.1
ft•lb)
Screw (left crankcase
cover):
5 Nm (0.5 m•kg, 3.6
ft•lb)
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