Shifted front forks? - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 9 Old 07-12-2012, 04:50 PM Thread Starter
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Shifted front forks?

A couple of weeks ago I posted a thread "my epic crash" in which I described my sorry ass going down a hill and wrecking my bike. Well I finally decided to start fixing the bike but had already run into a couple of snags. I need your help!

On the way back (after the crash) the bike had a serious wobble indicating that perhaps the front rim was bent. At the time I could even see that the wheel was crooked by just looking at it. Well after I have removed the front wheel it looked just fine; no major dents, cracks or even scratches. The axle also looks fine. However, the front forks do not look fine. The left one appears to have shifted (or rotated) a bit and now I am wondering if this could have caused the wobble? I tried sliding the axle through the forks again after the wheel was removed and the two holes were not lined up (they were close but still off by a few millimetres).

My questions to the sme's:

1) Is it possible that a rotated fork could cause a wobble of the front wheel? I almost can't imagine because it would have to twist the axle in order to do so?

2) Is this something I can fix on my own? Can I somehow twist that fork back in to position? I looked online to see how to remove the forks but it looks like a big job that requires tools that I do not have. If I absolutely have to take in to a shop to get it fix, well, I suppose I have no choice.

3) Look at the attached picture: The yellow line points to the bottom part of the fork (the black part) that appears to be slightly twisted. The red line is where the axle goes and that is where the two holes don't exactly line up.

Any ideas?


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post #2 of 9 Old 07-12-2012, 04:52 PM
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iirc you should be able to just twist the bottom part of the forks with your hand to line the forks up. It shouldn't take any real effort to do so.

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post #3 of 9 Old 07-12-2012, 05:30 PM
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loosen the fork brace first
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post #4 of 9 Old 07-12-2012, 05:44 PM Thread Starter
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I will try that...

Obviously the bike took a hard hit on the front wheel. Do you think there is anything else I should look at that might have been affected?

I just put down $640 on new panniers...sigh. What else I could have done with that cash eh? Stupid, stupid, stupid. For anyone looking into new panniers though, it's way cheaper to have them shipped from Germany. 2 x 40L hepco becker explorer panniers would have cost close to $900 if bought in USA or Canada.

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post #5 of 9 Old 07-12-2012, 06:47 PM
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Remove the fork brace, then reassemble and see what you've got. If the triple clamps are in line and
the tubes aren't bent all that is left is too re-install the fork brace:
https://www.stromtrooper.com/maintena...tructions.html

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post #6 of 9 Old 07-12-2012, 07:12 PM
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It may be that the lower triple clamp, the fork brace, or one or both of the fork tubs are slightly bent.
I'd start by taking the fork brace off.

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post #7 of 9 Old 07-12-2012, 07:47 PM
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Many times while racing dirt bikes,we had high speed get offs that would "Spring the front end" this would happen when the front end would many times hit soemthing like a ditch while turniing the machine,and the wheel trying to continue turning past the steering stops. The handles bars never where aligned with the front wheel after the crash,handle bars point at 1 o'clock while wheel was straight is an example.I think it may be more common on long travel machines,but this may help you"
The fix was the get the load off the forks, loosen all fork hardware,including triple trees.

Remove axle and wheel assembly and brace if ya have one

spin the forks 180 degrees in the triples

reassemble, (no weight on front end)torquing all hardware starting at the upper triple and working your way down.

More often than not this was the fix,unless something was bent, typically it was a tube,but it was rare.

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post #8 of 9 Old 07-12-2012, 08:12 PM
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If the female does not spin relatively easily around the tube then I think the tube is bent.

Bent fork tube and or bent triple tree is the most common thing from a front hit.

Spin the rim with the axle like on chairs or saw horses. It could wobble greatly without cracking etc.
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post #9 of 9 Old 07-19-2012, 05:49 PM Thread Starter
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Quote:
Originally Posted by Tollster View Post
Many times while racing dirt bikes,we had high speed get offs that would "Spring the front end" this would happen when the front end would many times hit soemthing like a ditch while turniing the machine,and the wheel trying to continue turning past the steering stops. The handles bars never where aligned with the front wheel after the crash,handle bars point at 1 o'clock while wheel was straight is an example.I think it may be more common on long travel machines,but this may help you"
The fix was the get the load off the forks, loosen all fork hardware,including triple trees.

Remove axle and wheel assembly and brace if ya have one

spin the forks 180 degrees in the triples

reassemble, (no weight on front end)torquing all hardware starting at the upper triple and working your way down.

More often than not this was the fix,unless something was bent, typically it was a tube,but it was rare.
I loosened the clamps on the tubes and rotated each one and they seemed to be straight... rotating fairly smoothly.

Great advice, thanks man. Just ordered a new rim.

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