Yamaha YXR660FAS Service Manual download pdf (Page 173)

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ENG

ENGINE COOLING FAN AND A.C. MAGNETO

REMOVING THE A.C. MAGNETO

1. Remove:

• engine cooling fan pulley 1

NOTE:

Use the sheave holder 2 to hold the primary

sheave.

Primary sheave holder

P/N. YS-01880-A

Sheave holder

P/N. 90890-01701

2. Remove:

• A.C. magneto cover

• gasket

• dowel pins

NOTE:

Working in a crisscross pattern, loosen each

bolt 1/4 of a turn. Remove them after all of

them are loosened.

3. Remove:

• A.C. magneto rotor 1

NOTE:

Use the flywheel puller 2.

Flywheel puller

P/N. YM-01404, 90890-01404

CHECKING THE A.C. MAGNETO

1. Check:

• stator coil

• pickup coil

Damage → Replace.

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