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