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77 KZ750 Twin starter problems 03 Jun 2020 19:58 #827258

Ramchargerjay Topic Author Offline User Posts: 23 Thank you received: 0	My starter is too weak to turn the engine over fast enough to start. It sounds like it’s struggling. To make sure it’s not a connection problem I tried to start it with jumper cables running to my truck. Didn’t help it. Brushes look ok. I’ve looked for starters online. Are they really that expensive and hard to find? Are there any aftermarket options?
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77 KZ750 Twin starter problems 03 Jun 2020 20:52 #827264

650ed Offline User Posts: 15344 Thank you received: 2828	Was the truck running? If so, not a good thing to do. Ed 1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
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77 KZ750 Twin starter problems 03 Jun 2020 21:31 #827266

Ramchargerjay Topic Author Offline User Posts: 23 Thank you received: 0	650ed wrote: Was the truck running? If so, not a good thing to do. Ed No. And the battery negative on the bike was disconnected.
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77 KZ750 Twin starter problems 04 Jun 2020 06:22 #827283

TexasKZ
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Thank you received: 2051

Could be that the starter motor just needs a thorough internal cleaning. While you have it apart, you can inspect all the parts and decide if it is indeed the problem.
The factory service manual should have a pretty good section on the starter internals.

1982 KZ1000 LTD parts donor
1981 KZ1000 LTD awaiting resurrection
2000 ZRX1100 not ridden enough

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Last edit: by TexasKZ.

77 KZ750 Twin starter problems 05 Jun 2020 15:32 #827389

Ramchargerjay Topic Author Offline User Posts: 23 Thank you received: 0	Took it apart, thoroughly cleaned it, still does the same thing. Turns over slowly and makes a loud whining sound.
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77 KZ750 Twin starter problems