Overhaul start engine

  • gordone
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Overhaul start engine

12 Feb 2019 03:08
#798525
Good day all friends :)

My start engine is working fine, but I don’t know when it was overhauled....

Is there a good plan to overhaul it when I have time? Can it just stop working quick/sudenly?
1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine

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  • davido
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Re: Overhaul start engine

12 Feb 2019 10:20
#798544
If its not broke, dont fix it!
www.kzrider.com/forum/11-projects/594313-csr1000-project-build
CB550 (1978)
CB500/4 (1972)*
KZ1000CSR (1981)
XT 600E (1999)
TDM900 (2003)
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  • gordone
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Re: Overhaul start engine

12 Feb 2019 11:45
#798548
Good plan :)

Whats symtoms to look for, before it get broken?
1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine

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  • 650ed
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Re: Overhaul start engine

12 Feb 2019 12:37 - 12 Feb 2019 12:38
#798549
Unless you are revving it above redline it is extremely unlikely that your KZ650 engine will just break. If it does I suspect it will be the first one in history to do that. Ed
1977 KZ650-C1 Original Owner - Stock (with additional invisible FIAMM horn)
Last edit: 12 Feb 2019 12:38 by 650ed.

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  • davido
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Re: Overhaul start engine

12 Feb 2019 12:43
#798550
'Start engine' ?? Are you talking about the bike 'engine' ? I took it that you were talking about the 'starter motor.'
www.kzrider.com/forum/11-projects/594313-csr1000-project-build
CB550 (1978)
CB500/4 (1972)*
KZ1000CSR (1981)
XT 600E (1999)
TDM900 (2003)

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  • gordone
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Re: Overhaul start engine

12 Feb 2019 14:29
#798560
I was wondering about the «starter motor», not the engine itself (is rebuild top end alteady).
1981 KZ650-D4, with 1981 z750L engine (Wiensco 810 big bore).

Project:
www.kzrider.com/forum/11-projects/607213...sr-1981-z750l-engine

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  • Scirocco
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Re: Overhaul start engine

12 Feb 2019 14:34
#798562
Never change a runing system gordone!!!
My 1975 Z 1 B 900 Project

www.kzrider.com/forum/11-projects/605133...ears-deep-sleep-mode

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  • hardrockminer
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Re: Overhaul start engine

12 Feb 2019 17:22
#798572
A starter motor can be rebuilt. The wear parts are the motor brushes and perhaps the bushing for the commutator shaft. I've changed brushes...it's not a difficult task.
I have several restored bikes along with a 2006 Goldwing with a sidecar. My wife has a 2019 Suzuki DR 650 for on and off road.

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  • scubaanders
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Re: Overhaul start engine

13 Feb 2019 12:32
#798606
Rebuilding a starter motor is good therapy. If it ain't broken, start looking for a used starter, all four cyl Z650-Z750 shared basically the same starter with small differences, but they fit.
So ctc one of bike breakers in Norway or Sweden or hunt it down on Blocket, Finn or Ebay.

/A
Gpz750R1 1982
Gpz750A1 1983
Gpz1100A2 1984
FZ750 1985
Gpz900R -91
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