HELP with Extended Swing Arm

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18 Feb 2011 06:04 #431491 by PLUMMEN
Replied by PLUMMEN on topic HELP with Extended Swing Arm
i wonder if you have a weak/blown shock on one side? B)
Still recovering,some days are better than others.

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18 Feb 2011 06:16 #431496 by bmannon
Replied by bmannon on topic HELP with Extended Swing Arm
I'm leaning towards the right side just being off a little from the factory as nothing appears bent or twisted. If that isn't the case then possibly someone used the right ride mount as a lifting point and it got tweaked in the process. I am taking it to a local that has a long history with these bikes and have him look at it and will let everyone know what I find out. Be a few days.

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18 Feb 2011 06:22 #431498 by PLUMMEN
Replied by PLUMMEN on topic HELP with Extended Swing Arm
try swapping the shocks side to side and see what it does ,if frame was bent sitting on it isnt going to change that.
Still recovering,some days are better than others.

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18 Feb 2011 06:31 #431503 by bmannon
Replied by bmannon on topic HELP with Extended Swing Arm
PLUMMEN wrote:

try swapping the shocks side to side and see what it does ,if frame was bent sitting on it isnt going to change that.


wouldn't that mean the arm is twisting? i can't see that happening.

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18 Feb 2011 06:50 #431504 by PLUMMEN
Replied by PLUMMEN on topic HELP with Extended Swing Arm
the shocks play a big part of tying everything together,when bike is on sidestand the weight is shifted a bad shock would magnify the affect.
if id known about it leveling out when you sit on it i would of suggested checking shocks earlier :laugh:
Still recovering,some days are better than others.

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18 Feb 2011 06:57 #431509 by bmannon
Replied by bmannon on topic HELP with Extended Swing Arm
well i wouldn't say it levels out, the space just increases on both sides. i will swap them out though and see what happens, it's EZ enuff, kind of hope it isn't the shocks, they are Ohlins and I really can't afford to replace them.

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18 Feb 2011 06:59 #431511 by PLUMMEN
Replied by PLUMMEN on topic HELP with Extended Swing Arm
some shocks are rebuildable B)
Still recovering,some days are better than others.

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18 Feb 2011 07:55 #431524 by lewisj
Replied by lewisj on topic HELP with Extended Swing Arm
With the bike sitting straight up, can you measure your exhaust mounts from the groud to see if one has been tweaked? Check the swing arm heights as well for twisting. Beautiful Bike, good luck.
1973 Z1
1075cc MTC kit
Andrews 3X cams
ZRX 1200 swingarm

Vance&Hines header/ exhaust
29mm smoothbores w/pods
ZR7S 41mm Front Forks with 17" wheels

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18 Feb 2011 07:58 #431525 by bmannon
Replied by bmannon on topic HELP with Extended Swing Arm
lewisj wrote:

With the bike sitting straight up, can you measure your exhaust mounts from the groud to see if one has been tweaked? Check the swing arm heights as well for twisting. Beautiful Bike, good luck.


what is a good way to make sure it's level? i had a friend hold it upright last night to do this, but just a small tilt either way slews the measurements.

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18 Feb 2011 08:12 #431526 by Patton
Replied by Patton on topic HELP with Extended Swing Arm
:unsure: Perhaps shorter rear shocks might afford vertical clearance, as with the oem swing arm.

Good Fortune! :)
1973 Z1
KZ900 LTD

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18 Feb 2011 08:21 #431528 by bmannon
Replied by bmannon on topic HELP with Extended Swing Arm
Patton wrote:

:unsure: Perhaps shorter rear shocks might afford vertical clearance, as with the oem swing arm.

Good Fortune! :)


Or eliminating the pesky exhaust mount that seems to be the problem B)

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18 Feb 2011 08:43 #431530 by Patton
Replied by Patton on topic HELP with Extended Swing Arm
Here, for reference, is pic showing clearance on stock KZ900-B1 LTD (thinking same as standard model KZ900) with stock length shocks.

Good Fortune! :)

[Click on image to enlarge view.]

1100
1973 Z1
KZ900 LTD
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