Yamaha F150B, Service Manual

Page: 169 / 458

5-44
Starter motor
0
1
2
3
4
5
6
7
8
9
10
A
8. Remove the plate
o
, and then remove
the armature
l
from the brush holder
assembly
m
.
9. Remove the E-clip
p
, and then remove
the clutch assembly
q
from the pinion
shaft
r
.
TIP:
Push the clutch assembly
q
completely
down onto the pinion shaft
r
in direction
a
,
and rotate it one spline in direction
b
, and
then remove it in direction
c
.
Checking the starter motor
1. Check the commutator. Clean with
600–grit sandpaper and compressed air
if dirty.
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.
m
l
l
o
o
m
q
r
r
p
a b
c
c
b
a
q
q
r
Commutator standard diameter
a
:
29.0 mm (1.14 in)
Wear limit: 28.0 mm (1.10 in)
Commutator standard undercut
b
:
0.8 mm (0.03 in)
Wear limit: 0.2 mm (0.01 in)
a
b