High Speed Front End Wobble
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Cruiser
Joined: Dec 2008
Posts: 157
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From: Joelton, TN
High Speed Front End Wobble
First of all let me say I have never had my bike above 85 MPH untill last night. I don't ride fast I don't feel safe. Last night I was on a LONG (3 mile) straight stretch 2 lane each way and I decided to open it up. Everything was fine till I hit 100 then the front end started wobbling back and forth about an inch each way. I immediately slowed down and at around 80 everything smoothed right back out. The front tire is a new Dunlop Elite 3, just had fork oil changed and was running 10 lbs of air in front forks. Front neck bearings just greased and checked. The front and rear seem to be aligned perfectly so I am clueless. Anyone have any ideas? I was not in a curve at all so not the inherent "frame flex".
Cruiser
Joined: Jan 2009
Posts: 240
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From: Kelowna BC
Might not be a front end issue. I have an 08 street glide that would scare me over 80 mph I have installed a bagger brace and cleared it up on the straight stretches also cleaned up the ride on grooved pavement.
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Cruiser
Joined: Dec 2008
Posts: 157
Likes: 0
From: Joelton, TN
Running Dunlop Elite 3 on Front-Back was a new D402 when I replaced the front. Running 38 lbs in front and 36 in rear. When I get home I am going to pull the fairing and check where the forks go through the triple trees. I am hoping when I had the front end redone and fork oil changed, something did not get left loose. Any other ideas?
Also they are factory 16" front and rear wheels.
Also they are factory 16" front and rear wheels.
Last edited by 1999E-Glide; May 22, 2009 at 04:24 PM.
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Banned
Joined: Mar 2006
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bet your swingarm isolators (rubbers between the tranny and frame that the swingarm pivot bolt passes thru) are compromised
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Road Captain
Joined: Sep 2007
Posts: 735
Likes: 0
From: australia
If your bike never wobbled before the new tyre that's your problem check to see if the tyre is on the rim straight did you have it balanced etc. Drop all the air from the tyre and brake the bead put some soapy water in the bead area inflate to 50 psi to make sure the bead seats drop air back to 40 psi . Try this if it does not work replace tyre with new again
Road Master
Joined: Apr 2009
Posts: 915
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From: nw alabama
2 yrs ago i had the rear swingarm on my 2000uc break , on the left side , rite where the axel goes thru.. the axel nut and shock was all that was holding it.. it showed up when i was removing rear tire( keep a check on that side of swingarm)JMO