Front suspension problem!? - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 12 Old 06-25-2014, 07:36 PM Thread Starter
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Front suspension problem!?

So about to weeks ago I dumped my 2012 dl650 on pavement. I just fixed everything I could see and took it out for a ride just today to find out that when I take the bike over 30 Mph and also engine brake in that speed range my handle bars are wobbling back and forth I'm thinking it has to do with the front forks. I know my front left fork got knicked at the bottom in the accident but I'm hoping this something I could fix and won't have to replace the forks. Just wondering what everyone's thoughts were on it and if I should just bring it to a shop and take the Butt raping.
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post #2 of 12 Old 06-25-2014, 08:20 PM
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Assuming the forks aren't bent it's probably nothing serious.
Just check the wheel, forks and handlebars are properly aligned and the clamps all tensioned properly.
You could have just gotten some air into the bottom of one or both of the forks when you went down and it will take a little cycling up and down to work it all out.

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post #3 of 12 Old 06-25-2014, 08:49 PM
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hands on the bars? or hands off the bars?.........if off the bars, almost every Vstrom will shake it's head in that speed range while coasting down....

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post #4 of 12 Old 06-25-2014, 09:35 PM Thread Starter
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Thanks for the responses I can feel it moving with my hands on the bars then when released it shakes a good amount.
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post #5 of 12 Old 06-25-2014, 09:38 PM Thread Starter
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Quote:
Originally Posted by Dark Angel View Post
Assuming the forks aren't bent it's probably nothing serious.
Just check the wheel, forks and handlebars are properly aligned and the clamps all tensioned properly.
You could have just gotten some air into the bottom of one or both of the forks when you went down and it will take a little cycling up and down to work it all out.
So you think I should ride it around a bit and see what happens I was nervous to ride it much so I wouldn't mess anything else up.
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post #6 of 12 Old 06-26-2014, 12:58 AM
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When you had the forks apart, did you roll the uppers on a flat surface and confirm that they are straight? Try loosening one upper at a time in the triple trees, rotate it 180 degrees, tighten, and ride to check for a difference.

With the springs out, do the forks extend and compress smoothly?

With the front wheel off the floor, is there any looseness or roughness in the steering stem bearing? This is tricky..it needs very slight resistance to turning, but not too much.

Triple trees and forks aligned? Wheel true?

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post #7 of 12 Old 06-26-2014, 05:12 AM
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Quote:
Originally Posted by Jjfriscia View Post
So you think I should ride it around a bit and see what happens I was nervous to ride it much so I wouldn't mess anything else up.
I'd pump the forks up and down at a standstill to get the air up and out of the oil rather than just riding it and hoping for the best, but I'd also look into the other suggestions in this thread. It's worth making sure things are right.

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post #8 of 12 Old 06-26-2014, 08:08 AM Thread Starter
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Yeah thanks a lot guys I'm going to take these forks off tonight and give them a close examination and the rim or wheel seems to be find just some road rash on the lip of it.
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post #9 of 12 Old 06-27-2014, 05:31 AM
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Loosen, but not to the point of falling through the fork clamp bolts. (Help to hold the bike up is useful).

Put the wheel between your knees, shake the bars side to side, reducing the amplitude, re-tighten the clamp bolts.

Happened to me as well, odds are the hit has twisted the tubes in the clamps.

Pete
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post #10 of 12 Old 06-27-2014, 12:56 PM
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Quote:
Originally Posted by PeteW View Post
Loosen, but not to the point of falling through the fork clamp bolts. (Help to hold the bike up is useful).

Put the wheel between your knees, shake the bars side to side, reducing the amplitude, re-tighten the clamp bolts.

Happened to me as well, odds are the hit has twisted the tubes in the clamps.

Pete
I had a bike that had forks twisted in the clamps, not bent. It gave symptoms of falling into a turn one way, & resisting to turn the other way.

2007 DL 650 with assorted upgrades
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