Yamaha WR250FR Owner's Service Manual page 203

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AC MAGNETO AND STARTER CLUTCH
1
4 - 81
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EC4L3000
REMOVAL POINTS
Rotor
1. Remove:
• Nut (rotor) 1
• Plain washer
2. Remove:
• Rotor 1
Use the rotor puller 2.
Rotor puller:
YM-04141/90890-04141
EC4L4000
INSPECTION
AC magneto
1. Inspect:
• Rotor inner surface a
• Stator outer surface b
Damage → Inspect the crankshaft runout
and crankshaft bearing.
If necessary, replace AC magneto and/or
stator.
EC4L4200
Woodruff key
1. Inspect:
• Woodruff key 1
Damage → Replace.
Starter clutch
1. Check:
• Starter clutch
Damage/wear → Replace.
2. Check:
• Idle gear
• Idle gear shaft
• Starter clutch gear
Pitting/burrs/chips/roughness/wear →
Replace the defective parts.
ENG

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