KZ900 Aluminum swingarm doesn't quite fit

  • Kapahulu
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Re: KZ900 Aluminum swingarm doesn't quite fit

11 Jun 2012 18:29
#528238
4TheKZ1000 wrote: who cut off the rear top rails from the swingarm? The weld bead that is on the back top of swing arm used to host a upper stiffener bar. Yours are cut off?
The top rails have not been cut off - there weren't any top rails. I'm not certain this is a Cal Fab swingarm. That's the only name that comes to mind though for an aluminum swingarm that fits a KZ900.
1978 KZ1000, 1976 KZ900, 1975 H2, 1973 H1, 1973 H2, 1978 RD400, 1977 RD400, 1974 RD350
2strokeworld.com

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Re: KZ900 Aluminum swingarm doesn't quite fit

18 Jun 2012 18:51 - 18 Jun 2012 18:52
#530160
Okay I got the swingarm on. It took some work to bend the brake rod to fit around the swingarm. And then I cut a piece of aluminum stock to make a shorter torque arm.

Went out riding today and the KZ handles nicely with the swingarm and wider back tire.

I've had this bike for nearly a year and only rode it a few miles until today. Got home and noticed some oil near the ignition cover. I hope the leak isn't coming from the crank seal!
1978 KZ1000, 1976 KZ900, 1975 H2, 1973 H1, 1973 H2, 1978 RD400, 1977 RD400, 1974 RD350
2strokeworld.com
Last edit: 18 Jun 2012 18:52 by Kapahulu.

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  • 4TheKZ1000
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Re: KZ900 Aluminum swingarm doesn't quite fit

18 Jun 2012 20:13
#530187
that looks gr8, didnt know what it would look like with brackets cut off but /i like it. Well done!

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  • Kidkawie
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Re: KZ900 Aluminum swingarm doesn't quite fit

19 Jun 2012 08:13
#530293
Be careful with an aluminum torque arm. I rippen one off on my Harley.
1975 Z1 900
1994 KX250 Supermoto
2004 KX125

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  • 531blackbanshee
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Re: KZ900 Aluminum swingarm doesn't quite fit

19 Jun 2012 10:29
#530310
superfreakinnicebike man :evil: .

swingarm and wheel are very nice additions.

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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  • Kapahulu
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Re: KZ900 Aluminum swingarm doesn't quite fit

19 Jun 2012 14:41 - 19 Jun 2012 14:44
#530340
Thanks for the compliments! I used 1/8 thick aluminum for the brake arm, I think it will hold up. I hardly use the back brake anyways.

The broomstick drag bars look cool but I think I'm leaning too far forward while riding. Superbike bars may go on soon.

Checkout the license plate. Mad Max was already taken.
1978 KZ1000, 1976 KZ900, 1975 H2, 1973 H1, 1973 H2, 1978 RD400, 1977 RD400, 1974 RD350
2strokeworld.com
Last edit: 19 Jun 2012 14:44 by Kapahulu.

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Re: KZ900 Aluminum swingarm doesn't quite fit

19 Jun 2012 15:19
#530349
Kapahulu wrote: I used 1/8 thick aluminum for the brake arm, I think it will hold up. I hardly use the back brake anyways.

That's what I used, maybe a little thicker (but not 1/4"). Do what you want, but I BTDT.
1975 Z1 900
1994 KX250 Supermoto
2004 KX125

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  • les holt
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Re: KZ900 Aluminum swingarm doesn't quite fit

19 Jun 2012 16:01
#530354
That's a good looking bike! Even the dog looks to be in a trance looking at it. :laugh:

Les

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  • kaw-a-holic
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Re: KZ900 Aluminum swingarm doesn't quite fit

19 Jun 2012 17:29
#530372
What size tire did you get in there with that swingarm? How much did you have to offset the front sprocket?
Jon
1977 KZ1000a1
Mesa, AZ
Phoenix Fighter Project

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Re: KZ900 Aluminum swingarm doesn't quite fit

19 Jun 2012 21:20
#530400
I'm using a 130/90 x 18. No offset on the sprocket. The chain and sprockets are 530.
1978 KZ1000, 1976 KZ900, 1975 H2, 1973 H1, 1973 H2, 1978 RD400, 1977 RD400, 1974 RD350
2strokeworld.com

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Re: KZ900 Aluminum swingarm doesn't quite fit

19 Jun 2012 21:24
#530402
Did you notice much difference? Is that the widest tire you could fit in that swingarm? Did you figure out who made it?
Jon
1977 KZ1000a1
Mesa, AZ
Phoenix Fighter Project

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  • zukdave
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Re: KZ900 Aluminum swingarm doesn't quite fit

19 Jun 2012 22:15 - 19 Jun 2012 22:19
#530418
That arm looks about as wide as my gpz 750 arm.
With a disk brake and off set sprocket's
I can fit a 160-170 tire easy.

Mockup with a 130.
1980 KZ650 F1
ZX750A1 motor.
Wiseco 810cc kit.
Zukiworks racing ported head.
VM 29 smooth bore's.
Dyna 2000 Ign. w/Dyna mini coil's
APE cylinder stud's and nut's.
APE valve spring's.
APE Track King clutch.
V/H KZ1000 sidewinder.
3.5x18 laced to a KZ1000 disk hub.
150/60/18 Shinko 006 Podium.
63" wheel base.
Last edit: 19 Jun 2012 22:19 by zukdave.

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