• Roll up the rubber, water-resistant, cover and remove the starter motor joint.
• Remove the motor case bolt, the carbon brush seat, and the motor case.
Inspect the armature surface for uneven wear, damage, or a change in color caused by high temperatures.
Note: Do not use sandpaper to grind. Do not wash with any solvent which can damage insulation.
• Measure the conducting condition of the armature coil according the picture. It should be conductive.
• Measure the conducting condition between the armature coil and the armature according to the picture. It
should be non-conductive. If it is conductive, it should be replaced.
• Inspect the insulating condition between the connecting wire terminal and the starter motor case. It should be
• Inspect the conducting condition between the connecting wire terminal and the carbon brush. It should be
• Inspect brush set for excessive wear or damage.
• Measure the insulating condition of the carbon brush bracket. It should be non-conductive. If it is
conductive, it should be replaced.
• Inspect the needle bearing in the carbon brush base.
It should be able to move smoothly with no looseness while pressing.
• Inspect the dust seal for wear or damage.
If the wear or damage is excessive, it should be replaced.
STARTER MOTOR INSTALLATION
• Apply some oil on the dust seal.
• Install the carbon brush on the carbon brush base.
• Apply oil on the moving part of the armature ends.
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