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bike shakes at high speed


eprada87

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i just got a 1987 banshee(j arm of course) and it has a play in the steering stem. it feels like i can pull it up and down about an inch. when i drive it expecially at high speeds, i feel vibration from the whole bike itself. the chain was loose and the axel so i tighten it up and it got a little better but still looks like the rear wheel is a little wobbling at high speeds. i also was thinking maybe the ball joints are a little messed up in the frontend that maybe causing the vibration too cuz the front right wheel wobbles a bit. i hear you cant change the balljoints on the j arms also..? any solution i can try to diagnose these problems? also is there a aftermarket place that sells j arms? ive been trying to find them but no hope. would really appreciate all the help i can get much. thanks

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i just got a 1987 banshee(j arm of course) and it has a play in the steering stem. it feels like i can pull it up and down about an inch. when i drive it expecially at high speeds, i feel vibration from the whole bike itself. the chain was loose and the axel so i tighten it up and it got a little better but still looks like the rear wheel is a little wobbling at high speeds. i also was thinking maybe the ball joints are a little messed up in the frontend that maybe causing the vibration too cuz the front right wheel wobbles a bit. i hear you cant change the balljoints on the j arms also..? any solution i can try to diagnose these problems? also is there a aftermarket place that sells j arms? ive been trying to find them but no hope. would really appreciate all the help i can get much. thanks

 

go through the bike and tighten everything lol hubs steering stem,etc.

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  • 2 weeks later...

yeah you better check that man. Take the tires off and look for damage to the hubs a arms then do the back axle. Also pump your tires to around 20-30 psi and see if you have a leak. I can understand the handelbars shaking loose out of your hands and in that case I would recomend a new antivibe stem and a GPR steering stabilizer but the whole bike shaking is not good. Youll hurt yourself and the bike if you dont inspect.

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