Yamaha WR250FM Rotor puller YM-04141/90890-04141, AC magneto, Woodruff key, Starter clutch

AC MAGNETO AND STARTER CLUTCH

ENG

1

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.

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