Fork lengths
- KZ1100B1
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Fork lengths
28 Dec 2007 23:12
Has anyone made up a list of different OEM fork lengths in order to help in the swap/upgrade decision making process? I was considering swapping ZRX forks onto a '81-'82 J-model/GPz and was curious about the geometry. What about ZR1100/Concours/ZX-11? Any help will be greatly appreciated...
-Steve
-Steve
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- KZ1100B1
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- steell
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Re: Fork lengths
03 Jan 2008 16:28
Not much help, but I do recall reading of a list like that on some other site, I think it was some site dedicated to modifying bikes, maybe a cafe or streetfighter site.
Sorry I can't be of more help
Sorry I can't be of more help

KD9JUR
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- gpznutt
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Re: Fork lengths
03 Jan 2008 16:44
the zx9 all the years from 94 are good theyre 31 inch center of axel to top of tube ,ive done the swap and lost just over an 1 1/2 for comparison the 94 zx7 usd forks are 2,5 inch shorter go to my thred on projects under 82 gpz750 build for pics
it required a custom made yoke but i think the zrx and zx9 coventional forks are almost a straight swap and some year gsxr 1100s
it required a custom made yoke but i think the zrx and zx9 coventional forks are almost a straight swap and some year gsxr 1100s
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- kzr750r1
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Re: Fork lengths
21 Jan 2008 12:53
I was contemplating the zx9 front end swap. The USD version was offered on all the B models 94 -97. After that they went back to the traditional sliders. wit 31" it was the longest USD available.
What turned me off was the cost of making a new top bracket and yoke tube for the bottom. Intent was to keep the stock ignition and steering lock functional.
The other issue was clearance for the oil cooler when steering was at full lock.
I'd be interested in seeing if the stock B model Triple tree works after the yoke is swapped out.
These days I'd be happy if my bike was ridable, let aloe starting another project.
What turned me off was the cost of making a new top bracket and yoke tube for the bottom. Intent was to keep the stock ignition and steering lock functional.
The other issue was clearance for the oil cooler when steering was at full lock.
I'd be interested in seeing if the stock B model Triple tree works after the yoke is swapped out.
These days I'd be happy if my bike was ridable, let aloe starting another project.

KZ750R1 + 1991 ZR750 = KZR750R1
Better to be shot out of a cannon then squeezed through a tube. - HST
Better to be shot out of a cannon then squeezed through a tube. - HST
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- otakar
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Re: Fork lengths
21 Jan 2008 14:40
I think there might be a listing on the TAROZZI websight. They make replacement forks for a lot of different bikes. Here is a link to their sight
www.tarozzipaolo.it/inglese/home.htm
Post edited by: otakar, at: 2008/01/21 17:41
Post edited by: otakar, at: 2008/01/21 17:41
74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000
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- otakar
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Re: Fork lengths
21 Jan 2008 14:48
Yup, just checked and all the diametters and lengths are there.
74 Z1-A stock
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000
76 KZ-900 Totaly stock vice MAC pipe
77 KZ-1000A stock
78 Z1-R 100%MINT 500 original Mi.
78 Z1-R Yoshi 1103 kit stage 1 cams Yoshi pipe. Etc
79 KZ-1300 (1400)
80 KZ-1300
81 Scratch built GPz1150R
82 KZ1000
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