primary chain wear limit

  • turboguzzi
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primary chain wear limit

07 Oct 2010 14:01
#404985
trying to find the wear limit for the primary hyvo chain in a 750 but the manual doesnt give one...

does anyone have a clue, say max allowed distance between 20 links or something?

thanks

TG

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  • cafekz750
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Re: primary chain wear limit

07 Oct 2010 14:39
#404990
Here you go.
870
1981 KZ750H2 - V&H 4-1 pipe, pods, jetted, clubmans, homebrew rearsets, 18" rear wheel and more.
Parting out a 1982 KZ750H3 to fund future projects
2 other non-Kawasaki motorcycles

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  • wargoth
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Re: primary chain wear limit

07 Oct 2010 14:39
#404991
Chiltons says:
"with the crankshaft and the secondary shaft in place, check the primary chain slack. Replace the chain if slack exceeds 27mm/1.08in."
the replacement is a tsubaki hy-vo 3/8p-1w 76 link chain

Laying a straight edege over the outside of the chain and measure deepest point with a ruler would probably work best

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  • wargoth
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Re: primary chain wear limit

07 Oct 2010 14:41
#404992
cafekz750 wrote:
Here you go.
870
this is for the timing chain, which has a tensioner and is much smaller, dont use this for a primary chain

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Re: primary chain wear limit

07 Oct 2010 14:42
#404994
Got it; here it the one...
922
1981 KZ750H2 - V&H 4-1 pipe, pods, jetted, clubmans, homebrew rearsets, 18" rear wheel and more.
Parting out a 1982 KZ750H3 to fund future projects
2 other non-Kawasaki motorcycles

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  • steell
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Re: primary chain wear limit

08 Oct 2010 13:21
#405232
If you need a new one, check out the chain for a early eighties Honda CB900C. IIRC, it's the same chain and an awful lot cheaper than the Kawasaki chain (if it's even available)
KD9JUR

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  • Injected
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Re: primary chain wear limit

09 Oct 2010 08:30
#405452
The KZ chain is still available but the Honda chain is $60 cheaper - worth a trip to the Honda store!
1978 KZ650B2 w 1197cc Z1 engine
1977 KZ650B1 w 750cc Spectre engine
1979 KZ650C3 w 831cc Hot Rod engine
1978 KZ650C2 w 762cc DFI project
1977 KZ650C1 stock restoration project
1978 KZ650B2 modified project
1978 KZ650B2 Injected Drag 831cc
1980 Z1 Custom Frame Drag 1327cc
1981 Z50R Honda tow bike

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  • turboguzzi
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Re: primary chain wear limit

12 Oct 2010 08:40
#406124
thanks guys, measured and i am only at about 16mm free play, so that's good.

steell

seen your into 750 motors, I am building now a gpz750/810 for vintage racing, looking for detailed info

got time and will to help?

PM me...

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  • gpzman2000
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Re: primary chain wear limit

13 Oct 2010 12:22
#406376
What's the word on primary chain durability ?
I have about 38k miles on the original.

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