Rear Stabilizer didnt correct my wobble
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Road Warrior
Joined: Dec 2004
Posts: 1,726
Likes: 12
Rear Stabilizer didnt correct my wobble
I have an 08 Roadglide that after installing a rear stabilizer I still have wobble. Ive checked tire pressure, chassis alignment and havent found anything out. I replaced the rear tire this weekend and did notice a difference between the old tire (worn out), and the new one, in relation to handling. After talking with some people I was told that the factory air shocks may be the cause in that the tee valve installed between the two shocks allows the air on the up travel of one to transfer to the down travel on the other, once the wobble is started, thus amplifying the sensation. I was thinking of removing the tee valve and installing independent valves on each shock. Anyone else have a wobble that wasnt corrected with a stabilizer?
Outstanding HDF Member
Joined: Jul 2007
Posts: 2,241
Likes: 7
From: Daytona, Fla.
A tee connector between the shocks would be way down the list of things I'd look at. What condition is your front tire in? Any cupping? What pressure are you running? How's the tension on the neck bearings? Is the fork oil volume & weight correct in both legs? Which stabilizer did you choose, & is it installed correctly?
Road Warrior
Joined: Aug 2008
Posts: 1,442
Likes: 8
From: south
If it was mine, and being an 08 under warranty, I would be at the dealer and have the tech test drive and see what he thinks.
It sounds like you could have something that is not right and could be dangerous.
IMO.....Let the pros have a look at it!
It sounds like you could have something that is not right and could be dangerous.
IMO.....Let the pros have a look at it!
Thread Starter
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Road Warrior
Joined: Dec 2004
Posts: 1,726
Likes: 12
More info: Cast wheels, tire pressure 40psi, symptoms only known during long sweepers under heavy acceleration. Stabilizer, Bagger Brace, installed correctly. Steering neck bearings normal with swing test. Fork oil and volume? I havent drained/checked the oil.
Pros at a dealer? Thats an oxymoron dont you think, or perhaps there are some credible techs, but not that Ive dealt with. A little info on myself, a few years as a motorcycle technician, built heavy equipment for several years, and have logged several miles on a touring platform. The symptoms are the same as the 2001 Roadking I had. A talk with Bagger Brace raised the question of the front top mount in that its been moved on the 08 to the top front of the motor, versus the center top of the cylinder heads. This mount may be flexing?
Pros at a dealer? Thats an oxymoron dont you think, or perhaps there are some credible techs, but not that Ive dealt with. A little info on myself, a few years as a motorcycle technician, built heavy equipment for several years, and have logged several miles on a touring platform. The symptoms are the same as the 2001 Roadking I had. A talk with Bagger Brace raised the question of the front top mount in that its been moved on the 08 to the top front of the motor, versus the center top of the cylinder heads. This mount may be flexing?
Stellar HDF Member
Joined: Dec 2006
Posts: 2,906
Likes: 11
From: Grottoes Va.
This may sound silly, hows your rideing posture? Straight up, layed back or somewhat forward? I noticed on my King that if i'm leaning somewhat back, I get a slight wobble in sweepers, if I lean forward, the wobble will go away.
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Outstanding HDF Member
Joined: Jul 2007
Posts: 2,609
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From: Indy area
Funny, if you lean forward it don't happen. Maybe that's why they put such low handlebars on from the factory. I actually kind of like the posture.
While there may be a minuscule amount of air "flowing" through the tee (as the molecules become compressed / get expanded), there certainly won't be any flowing through the crossover line at its midpoint between the shocks. Not unless you've got something pretty wrong with your swingarm and/or tranny/engine mounting systems, or a leaky shock or air fitting anyway. I wouldn't think those midpoint molecules would ever do much moving unless maybe the bike is parked with one shock dead square to the sun and the other in shade, maybe. But I think that over time, they don't wind up very far from the middle.
While there may be a minuscule amount of air "flowing" through the tee (as the molecules become compressed / get expanded), there certainly won't be any flowing through the crossover line at its midpoint between the shocks. Not unless you've got something pretty wrong with your swingarm and/or tranny/engine mounting systems, or a leaky shock or air fitting anyway. I wouldn't think those midpoint molecules would ever do much moving unless maybe the bike is parked with one shock dead square to the sun and the other in shade, maybe. But I think that over time, they don't wind up very far from the middle.
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