That's entirely possible.

Dead spots on commutator is a very popular failure mode on a starter. On starters where you can get a screwdriver into the armature and turn it a smidge is the easiest to help along.


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Finally got the starter out and took it apart. 2 of the 4 brushes are worn right to the end which would have been causing the problem. The carbon buildup inside makes me surprised that it worked in the first place. I was hoping I could replace the brushes but the wire leads are spot welded to the field windings. Even if I could get hold of a spot welder I wouldn't be able to get in there to fix.

I hate throwing away parts that could be fixed, but it looks like I am going to have to source a new starter motor.

On this side of the pond, there are shops that rebuild starters and alternators. Check around to see if they have any down under.

The lead that is spot welded should be copper. Cut leaving a nub and solder in the replacement.


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Ordered new starter, should be arriving today. I will keep the old one and see if I can repair at a later date.

That's smart thinking if you take apart post photos


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New starter motor is in. It has never cranked so fast since I've had it. Problem solved.

Good to hear.

The starter was probably using excessive current it seems to be the way they go at end of life sometimes double the normal current.


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