Yamaha VMX12H Supplementary Service Manual page 315

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ELECTRIC STARTING SYSTEM
5.
Inspect:
6. Inspect:
Damage
7.
Measure:
Out of specification
8.
Compare with new spring.
Installation
1. Install:
NOTE:
Align the match marks
the match marks
Replace
brushes
Replace.
length
Replace.
Minimum Brush Length:
5.5 mm (0.22 in)
springs
Replace.
motor
on the brackets with
on the housing.
7-1 2