speed wobble crash
Tourer
Joined: Aug 2007
Posts: 404
Likes: 1
From: Northshore in Massachusetts
there's 2 different types of speed wobble that I know of, one that is caused by the flexing of the rear swingarm on the Harley touring bikes, which happens on my roadglide when loaded down and taking a turn at high speed.
the other type happens on several different types of bikes, the front forks flex and can compress from hitting a rut or bump at high speed or landing a wheelie at speed. The friction from the fork flex can cause the front wheel to spin slower and the flex causes the bike to steer opposite the direction you are headed. The twisting will increase until the fork will be forced back and forth from the twisting. Depending on the speed and load you can back out of it usually if you feel it starting, but rolling off the throttle and bringing the bike straight if possible. If you maintain the speed or try to push through it, it can get worse until the person could possibly lose control.
the other type happens on several different types of bikes, the front forks flex and can compress from hitting a rut or bump at high speed or landing a wheelie at speed. The friction from the fork flex can cause the front wheel to spin slower and the flex causes the bike to steer opposite the direction you are headed. The twisting will increase until the fork will be forced back and forth from the twisting. Depending on the speed and load you can back out of it usually if you feel it starting, but rolling off the throttle and bringing the bike straight if possible. If you maintain the speed or try to push through it, it can get worse until the person could possibly lose control.
Cruiser
Joined: Jul 2010
Posts: 203
Likes: 3
From: Australia
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plasmadaddy
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Apr 18, 2007 02:32 AM
