stem and head issues

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05 Aug 2021 14:46 #853218 by kdoggin
stem and head issues was created by kdoggin
just got a kz 900 stem and it is the same as mine on my bike, forks slide into both but the stem center and head center are way off, please help anyone!

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  • Scirocco
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  • Never change a running system
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05 Aug 2021 15:03 - 05 Aug 2021 15:12 #853220 by Scirocco
Replied by Scirocco on topic stem and head issues
Looks like your stem of the lower triple tree or fork legs are bend in a front collison.
Bent fork legs have a dent in the clamping area below the lower triple tree.
Loose the clamps, turn the fork legs and check if the stem center position to the upper triple center change.
My 1975 Z 1 B 900 Project

www.kzrider.com/forum/11-projects/605133...ears-deep-sleep-mode
Last edit: 05 Aug 2021 15:12 by Scirocco.

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05 Aug 2021 19:09 #853235 by kdoggin
Replied by kdoggin on topic stem and head issues
it is possible, but I have  one same as  this one , 10.5 cm vs. 11 cm, steering center to fork center, I got a 1976 kz 900 head from old kawman,,has the 76 kz dash board rubber damped holes pn 44037-098

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05 Aug 2021 19:11 #853236 by kdoggin
Replied by kdoggin on topic stem and head issues
I think i may have 2 bent heads, I will be sending back the latest,ouch

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05 Aug 2021 19:12 #853237 by kdoggin
Replied by kdoggin on topic stem and head issues
sorry, stems

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  • SWest
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  • 10 22 2014
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06 Aug 2021 19:52 #853310 by SWest
Replied by SWest on topic stem and head issues
There's a upper and lower triple clamp. The steering stem is on the lower clamp. As suggested the forks may be bent or the lower clamp. Hold the lower clamp on a table and see if the two holes are flat then see if the stem is square to the table.
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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07 Aug 2021 03:01 #853318 by kdoggin
Replied by kdoggin on topic stem and head issues
nothing is bent.The center to of stem to center of fork is different as i measured. they are diff by half a cm. I have been informed that it is an early Z1 stem,  which makes sense because it had Z1 gauges  on it. the one from ebay is also a z1 stem , it was advertised as a 76-78 stem. Trying to return it.












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  • hardrockminer
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07 Aug 2021 04:54 #853323 by hardrockminer
Replied by hardrockminer on topic stem and head issues
As far as I know the offset on all Z1 models and on the KZ900 was the same.  Same rake, same trail, same offset.  Just different mount for the dash on the KZ900.  I believe the offset on KZ1000 models was also the same.  If you have a mismatched upper and lower triple tree then one of them is not from a Z1.  From memory, a Z1 offset is 60 mm.
I have several restored bikes along with a 2006 Goldwing with a sidecar. My wife has a 2019 Suzuki DR 650 for on and off road.

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  • SWest
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07 Aug 2021 06:34 #853329 by SWest
Replied by SWest on topic stem and head issues
I'd like to see the lower clamp. The Z1 has a hole where a steering damper connects to the lower tree. 
Steve
Z1b1000 1975 Z1b
kzrider.com/forum/11-projects/598262-kz-...-will-it-live#672882
kzrider.com/forum/2-engine/597654-poser?start=240#704229

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07 Aug 2021 17:07 #853380 by kdoggin
Replied by kdoggin on topic stem and head issues

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07 Aug 2021 17:35 #853381 by Mikaw
Replied by Mikaw on topic stem and head issues
Is it possible you have an upper tree, (head) from a kz650. The meter mount the same, Partzilla says the 650 only fits the 650. Maybe the offset is different. 
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.
The following user(s) said Thank You: kdoggin

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07 Aug 2021 18:46 #853386 by 750 R1
Replied by 750 R1 on topic stem and head issues

Is it possible you have an upper tree, (head) from a kz650. The meter mount the same, Partzilla says the 650 only fits the 650. Maybe the offset is different. 
 You are correct, the 650 clamp has less offset, the 650 triple clamps were a common modification on the 900's for racing, my friend has 650 clamps on his 900...

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