Removing The Starter Motor Pinion; Checking The Starter Motor Pinion; Checking The Armature - Yamaha F225A Service Manual

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Removing the starter motor pinion

1. Slide the pinion stopper 1 down as
shown, and then remove the clip 2.
NOTE:
Remove the clip with a thin screwdriver.

Checking the starter motor pinion

1. Check the teeth of the pinion for cracks
or wear. Replace if necessary.
2. Check for smooth operation. Replace if
necessary.
NOTE:
Turn the pinion counterclockwise to check
that it operates smoothly and turn it clockwise
to check that it locks in place.

Checking the armature

1. Check the commutator for dirt. Clean
with #600 grid sandpaper and com-
pressed air if necessary.
8-23
Electrical systems
2. Measure the
Replace the armature if out of specifica-
tion.
Commutator diameter limit:
28.0 mm (1.10 in)
3. Measure the commutator undercut a.
Replace the armature if out of specifica-
tion.
Commutator undercut limit a:
0.2 mm (0.01 in)
4. Check the armature
Replace if out of specifications.
commutator diameter.
for continuity.
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