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Generators & Electric Motors General Discussion Antique Generators and Old Electric Motors: Questions and answers about restoring and showing old power generation systems.

Generators & Electric Motors General Discussion

Starter motor fault

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Old 02-15-2019, 09:58:55 AM
waterworks waterworks is offline
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Default Starter motor fault

Apologies if this is in the wrong section.

I have a Yanmar L100 Diesel that the starter motor spins but won't engage with the flywheel ring gear, I fitted a new solonoid thinking it was weak but it made no difference , I really want to fix this issue myself rather than buy a new starter motor.

Any ideas anyone ?
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Old 02-15-2019, 11:17:01 AM
Rex Wellendorf Rex Wellendorf is offline
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Default Re: Starter motor fault

Hi, I don't really think that it's the solenoid that is the problem, I believe it is the drive gear on the starter shaft. Maybe a broken Bendix spring? Pull the starter and check that.-----Just a thought.
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Old 02-15-2019, 09:38:11 PM
Bud Tierney Bud Tierney is offline
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Default Re: Starter motor fault

Concur sounds like the "bendix"---if engine unused for awhile may just be crudded up. If spring not broken might just need good washing, light oiling to throw into ring gear...
Assuming, of course, Yanmar doesn't have some other type of stater motor...Google Bendix starter spring or similar, pix should come up.....
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