2003 ST 4 Stroke 9.9/15HP Johnson outboards Service Manual, Page 80Get this manual

2003 ST 4 Stroke 9.9/15HP Johnson outboards Service Manual, Page 80

IGNITION AND ELECTRICAL STARTER MOTOR
Inspection and Servicing
Pinion Inspect: Pinion teeth Replace pinion if damaged or worn Check: Clutch movement Replace if damaged
Armature and Commutator Inspect the commutator surfaceIf surface is gummy or dirty, clean with emery paper

Measure: Commutator outside diameter

Vernier calipers Outside diameter: Standard: 30 mm (1.18 in) Service limit: 29 mm (1.14 in)

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