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'76 KZ900 (ZRX1200R) Build

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30 Jul 2012 13:46 #539557 by NakedFun
'76 KZ900 (ZRX1200R) Build was created by NakedFun
All,

I know I have not been really been documenting this from when I picked up the bike, but here it is now. Should be on its wheels in a day or so. Then it can be wheeled to my dad'd shop for all the welding and fabrication like rear set mounts, frame gussets, etc... I am doing all this in a one stall town home garage filled with 3 motorcycles, shelves, work bench, bicycles, fluids cabinet, etc... Been stealing time on the mill at work. Here it is..








What do you think?

Cory

2008 Kawasaki Concours 14
1999 Kawasaki ZRX1100
1976 Kawasaki KZ900
The following user(s) said Thank You: Sactown900

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30 Jul 2012 14:40 #539561 by 531blackbanshee
Replied by 531blackbanshee on topic '76 KZ900 (ZRX1200R) Build
pretty freakin cool so far. :evil:

i think this is the first build that has been documented on here using the zrx front and rear end.

what is the last pic of ?

i can't wait to see it with all the frame braces welded in. :whistle:

keep us posted,

leon

skiatook,oklahoma 1980 z1r,1978 kz 1000 z1r x 3,
1976 kz 900 x 3
i make what i can,and save the rest!

billybiltit.blogspot.com/

www.kzrider.com/forum/5-chassis/325862-triple-tree-custom-work

kzrider.com/forum/5-chassis/294594-frame-bracing?limitstart=0

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30 Jul 2012 14:46 #539562 by NakedFun
Replied by NakedFun on topic '76 KZ900 (ZRX1200R) Build
That is that adapter shaft I used to mate the swing with the frame. Uses to 5/8" x 18 thread, Grade 8 bolts (one from each side).

Cory

2008 Kawasaki Concours 14
1999 Kawasaki ZRX1100
1976 Kawasaki KZ900

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30 Jul 2012 14:57 #539564 by 531blackbanshee
Replied by 531blackbanshee on topic '76 KZ900 (ZRX1200R) Build
very nice.

really slick solution,good job on that.

leon

skiatook,oklahoma 1980 z1r,1978 kz 1000 z1r x 3,
1976 kz 900 x 3
i make what i can,and save the rest!

billybiltit.blogspot.com/

www.kzrider.com/forum/5-chassis/325862-triple-tree-custom-work

kzrider.com/forum/5-chassis/294594-frame-bracing?limitstart=0

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30 Jul 2012 23:33 #539643 by NakedFun
Replied by NakedFun on topic '76 KZ900 (ZRX1200R) Build
She is standing tall. Will mount up the calipers and plumb one so I stop it rolling it down the driveway.... lol







Nice 180 fatty out back looks good....

Cory

2008 Kawasaki Concours 14
1999 Kawasaki ZRX1100
1976 Kawasaki KZ900
The following user(s) said Thank You: KZ250LTD

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31 Jul 2012 10:05 #539704 by 531blackbanshee
Replied by 531blackbanshee on topic '76 KZ900 (ZRX1200R) Build
sure looks right.

i really like your swingarm pivot solution,i was thinking about how slick that was last night.any chance of a better pic of the whole thing?

leon

skiatook,oklahoma 1980 z1r,1978 kz 1000 z1r x 3,
1976 kz 900 x 3
i make what i can,and save the rest!

billybiltit.blogspot.com/

www.kzrider.com/forum/5-chassis/325862-triple-tree-custom-work

kzrider.com/forum/5-chassis/294594-frame-bracing?limitstart=0

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31 Jul 2012 10:40 #539713 by NakedFun
Replied by NakedFun on topic '76 KZ900 (ZRX1200R) Build
I can send a couple of pics tonight, but I sent you the drawing a while ago? Do you still have it? I have the swing arm centered, but my rear tire may be slightly off center as I remember the ZRX1200 when they went ot the 180 rear tire and 6" rim, offset the wheel assembly in the swing. Won't be able to tell until I get it on a jig. I also need to make a taller kick stand!

Cory

2008 Kawasaki Concours 14
1999 Kawasaki ZRX1100
1976 Kawasaki KZ900
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  • trianglelaguna
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  • New and improved - extra strength
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31 Jul 2012 10:42 #539714 by trianglelaguna
Replied by trianglelaguna on topic '76 KZ900 (ZRX1200R) Build
love it...going with the 76 colors again???...i likey a lot

1976 KZ900
2003 ZX12R
2007 FZ1000
2004 ninja 250R for wife

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31 Jul 2012 11:07 - 31 Jul 2012 11:08 #539722 by NakedFun
Replied by NakedFun on topic '76 KZ900 (ZRX1200R) Build
Yep repairing it stock colors and carrying that scheme to the front fender. I also want to mention that I think due to frame manufacturing variance, I ended up trimming like 1/32 to 1/16 off the larger flange end of the shaft.

Cory

2008 Kawasaki Concours 14
1999 Kawasaki ZRX1100
1976 Kawasaki KZ900
Last edit: 31 Jul 2012 11:08 by NakedFun.

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31 Jul 2012 11:19 #539725 by 531blackbanshee
Replied by 531blackbanshee on topic '76 KZ900 (ZRX1200R) Build

NakedFun wrote: I can send a couple of pics tonight, but I sent you the drawing a while ago? Do you still have it? I have the swing arm centered, but my rear tire may be slightly off center as I remember the ZRX1200 when they went ot the 180 rear tire and 6" rim, offset the wheel assembly in the swing. Won't be able to tell until I get it on a jig. I also need to make a taller kick stand!

Cory


dohh :pinch: ,are you sure you sent me that pic? :whistle: maybe you meant to and forgot :silly: .

you might want to work up a price for the guys doing the zrx swing swap,it is a very sweet solution.

you won't have any issues running the wheel/tire offest.mine has the hub centered but the wheel offset as well(3/8's to the right)which in turn allowed me to get away with a 3/8's offset countershaft sprocket.it turns just as well left as it does right and runs straight as a string down the road,no sweat removing your hands from the bars running 70mph.

i think it is super cool you are going back with a stock type paint job.

leon

skiatook,oklahoma 1980 z1r,1978 kz 1000 z1r x 3,
1976 kz 900 x 3
i make what i can,and save the rest!

billybiltit.blogspot.com/

www.kzrider.com/forum/5-chassis/325862-triple-tree-custom-work

kzrider.com/forum/5-chassis/294594-frame-bracing?limitstart=0

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31 Jul 2012 12:12 #539734 by NakedFun
Replied by NakedFun on topic '76 KZ900 (ZRX1200R) Build
Leon,

I am a full time engineer, so whipping out shafts is not feasible... However, I'll go into business with you! I attached the drawing, so you can make them and sell them and throw me a cut!

Cory

2008 Kawasaki Concours 14
1999 Kawasaki ZRX1100
1976 Kawasaki KZ900

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31 Jul 2012 13:00 #539741 by Derigo
Replied by Derigo on topic '76 KZ900 (ZRX1200R) Build
looks good, nice work

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