Z1R Which Motor Will Fit?

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13 Jun 2013 21:21 #592164 by Yorkie
Z1R Which Motor Will Fit? was created by Yorkie
I just picked up a cheap '78 Z1R Roller and was wondering what motor, other than the obvious Z1R motor, will fit. We have quite a few KZ1000Ps Police bikes knocking around this part of the world and I was thinking one of those would fit. Any advice is appreciated.
Thanks,
Kevin
Long Beach
'72 Z1

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  • trianglelaguna
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13 Jun 2013 21:56 #592171 by trianglelaguna
Replied by trianglelaguna on topic Z1R Which Motor Will Fit?
only 73-80 will bolt in, later j motors wont bolt in,...all 73-80 900-1000 are the same bolts as Z1R....
1976 KZ900
2003 ZX12R
2007 FZ1000
2004 ninja 250R for wife

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13 Jun 2013 22:34 #592195 by Dr. Gamma
Replied by Dr. Gamma on topic Z1R Which Motor Will Fit?

trianglelaguna wrote: only 73-80 will bolt in, later j motors wont bolt in,...all 73-80 900-1000 are the same bolts as Z1R....


Yep just like he said, 73~80 Bolts right in!!!

If the motor has a kickstart shaft in it, it will bolt right in!!!!

No kickstart shaft, no fit without some remaking some motor mount brackets.

Funny this came up, I got some pictures of an early model motor mounted in a J model frame that
someone was racing in AMA Superbike back in 1981 or 1982. Caught my eye back then!!!
1972 H2 750 Cafe Racer built in 1974.
1976 KH400 Production Road Racer.
1979 Kz1000 MK. II Old AMA/WERA Superbike.
1986 RG500G 2 stroke terror.
1986 GSXR750RG The one with the clutch that rattles!

Up in the hills near Prescott, Az.

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