Yamaha F50A - Removing the Starter Motor Pinion; Checking the Starter Motor Pinion; Checking the Armature

ELEC
Electrical systems
– +
8-23
62Y3A11
Removing the starter motor pinion
1. Slide the pinion stopper
1
down as
shown, and then remove the clip
2
.
Checking the starter motor pinion
1. Check the pinion teeth for cracks or
wear. Replace if necessary.
2. Check for smooth operation. Replace if
necessary.
NOTE:
Turn the pinion clockwise to check that it
operates smoothly and turn it counterclock-
wise to check that it locks.
Checking the armature
1. Check the armature axial free play.
Replace the washers and shim(s)
3
if
out of specification.
2. Check the commutator for dirt. Clean
with #600 grid sandpaper and com-
pressed air if necessary.
3. Measure the commutator diameter.
Replace the armature if out of specifica-
tion.
Dial gauge
1
: YU-03097
Dial gauge set
1
: 90890-01252
Magnetic flexible stand
2
: YU-34481
Magnet base
2
: 90890-06705
Free play limit: 0.6 mm (0.024 in)
Diameter limit: 31.0 mm (1.22 in)