Yamaha E40J - Checking the Armature; Checking the Starter Motor Pinion; Removing the Starter Motor Pinion

ELEC
8-15
6F65G11
Electrical systems
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– grit sandpaper and compressed air
if necessary.
2. Measure the commutator diameter a.
Replace the armature if below specifica-
tion.
3. Measure the commutator undercut b.
Replace the armature if below specifica-
tion.
6F680160
1
2
a
Commutator diameter limit a:
29.0 mm (1.14 in)
6F680180
b
Commutator undercut limit b:
0.2 mm (0.01 in)