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How to stop headshake on acceleration bumps?
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Posted by: Buzz Bomb---------------------
On my new CR250, I was tearing up a trail and noticed that when I hit bumps while accelerating, teh front end twitches. How can I stop this?
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2001 CR250
Posted by: Saratoga---------------------
One way is to mount a Scotts steering dampner. Complete kit will run you a cool $650 by the time it is installed. Dampners are very effective but expensive.
Less costly is to tune the suspension (including sag) and lengthening the wheelbase.
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So much dirt, so little time.
Posted by: JTT---------------------
YOu might want to try speeding up the rebound a little (softer).
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JTT
"Character is like a tree, and reputation is like it's shadow. The shadow is what we think of it, but the tree...the tree is the real thing."
Abe Lincoln
Posted by: smilinicon---------------------
stiffen your fork compression clickers.
make sure rear suspension is not too stiff.
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SmilinIcon
Cary S.
KTM 380SX
Posted by: Troy Dupuy---------------------
Ride even faster so the front end comes all the way off the ground. 
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LaRider#20
Posted by: DKT735---------------------
Try playing with increasing and decreasing the compression damping. Remember to first have your base line compression and rebound damping settings WRITTEN DOWN ON PAPER so you can always go back to it.
Also what is your race sag set at. Try setting it at 4 inches then progressively less to see if that helps.
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Posted by: Jeremy Wilkey---------------------
In hard condtions you will need to soften the compression and soften rebound. The chassis changes are well advised as well. IF you head shake in soft condtions, with rounded bumps you add compression.
Regards,
Jer
Posted by: shockdoc---------------------
As your accelerating the weight is transfering to the back and your frt. end will get light. Try raising your forks which will put weight on the frt. end and help the headshake.
doc
Posted by: Jeff Howe---------------------
How much do you weigh Buzz? are you a fairly heavy guy or on the light side?
Posted by: Pete Payne---------------------
How about tightening up the steering stem a little?
Posted by: Buzz Bomb---------------------
Shocknut, just yesterday the doctor weighed me in a 132 pounds. So I'm on the light side.
Posted by: Jeff Howe---------------------
Maybe lighter springs might help you out Buzz. Good place to start anyway.
Posted by: azcourt---------------------
Follow this link, click on tuning then on offroad, and read on.
http://www.mx-tech.com/
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