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TOPIC: Overhaul start engine

Overhaul start engine 12 Feb 2019 03:08 #798525

  • gordone
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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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Overhaul start engine 12 Feb 2019 10:20 #798544

  • davido
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If its not broke, dont fix it!
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Overhaul start engine 12 Feb 2019 11:45 #798548

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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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Overhaul start engine 12 Feb 2019 12:37 #798549

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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)

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Overhaul start engine 12 Feb 2019 12:43 #798550

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'Start engine' ?? Are you talking about the bike 'engine' ? I took it that you were talking about the 'starter motor.'

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Overhaul start engine 12 Feb 2019 14:29 #798560

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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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Overhaul start engine 12 Feb 2019 14:34 #798562

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Never change a runing system gordone!!!

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Overhaul start engine 12 Feb 2019 17:22 #798572

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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 ride Z1's. I have a couple of '75's, plus an '80 KZ1000LTD. My lovely Sweetums rides a 1981 KZ550.

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Overhaul start engine 13 Feb 2019 12:32 #798606

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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
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