Yamaha YW50AP (2001) [182/214] Electric starting system

7-24

– +

ELEC

ELECTRIC STARTING SYSTEM

YP803034

INSPECTION AND REPAIR

1. Inspect:

8 Commutator

Dirt→Clean it with #600 grit sandpaper.

2. Measure:

8 Commutator diameter a

Commutator wear limit:

15.1 mm (0.59 in)

Out of specification→Replace the starter

motor

3. Measure:

8 Mica undercut a

Mica undercut:

1.05 mm (0.04 in)

Out of specification→Scrape the mica to

the proper value (a hacksaw blade can

be ground to fit).

NOTE:

The mica insulation of the commutator must

be undercut to ensure proper operation of com-

mutator.

4. Inspect:

8 Armature coil resistances (installation/

continuity)

Defects→Replace the starter motor.

If commutator is dirty, clean it with sand-

paper.

O: Continuity

x: No continuity

Bad condition→Replace.

Good Bad condition

condition

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