Brush Holder Check - Yamaha Waverunner VXS VX1800 Service Manual

Armature continuity
Commutator seg-
ment "a"
Segment "a"–Arma-
ture core "b"
Segment "a"–Arma-
ture shaft "c"

Brush holder check

1. Measure the brush length "a". Replace the
brush holder if below specification.
Brush length
12.5 mm (0.49 in)
Wear limit
5.0 mm (0.20 in)
2. Check the brush holder for continuity. Re-
place if out of specification.
c
a b
Continuity
No continuity
No continuity
a
d
d
Brush holder continuity
Brush "a"–Brush "b"
Brush "c"–Brush "d"
Brush "c"–Terminal "e"
Brush "d"–Terminal "e"
For all brush and terminal
combinations not listed
above.
7-36
Starter motor
c
a
a
c
e
Continuity
No continuity
b
e
b