Wobble again
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Cruiser
Joined: Jul 2010
Posts: 219
Likes: 3
From: Denmark
Wobble again
Just had an Avon Venom front tyre and an Avon Ultra Storm rear tyre put on my 2007 Street Bob and since I went with the new tyres I have a wobble from 70 mph and up. I read all the threads in here about this issue and I have checked everything. The wheels are balanced, the tyre pressure is correct, did the fall away steering head adjustment, checked the motor mounts, the rear wheel alignment is ok and so on. Just can't figure it out ???? Anyone have any ideas ???
Bad Tire
I would start thinking after you looked at all the obvious items that maybe you may have a bad tire? Just a thought. Anyway to swap a tire out to see?
Another question are the tires tube or non tube. The reason I ask is, if they are tubed the rim strip may also be off center from the tire mounting process. This has caused problems in other brand bikes I have read about.
Another question are the tires tube or non tube. The reason I ask is, if they are tubed the rim strip may also be off center from the tire mounting process. This has caused problems in other brand bikes I have read about.
Last edited by extsieg; Jun 26, 2012 at 01:49 AM.
Road Warrior
Joined: Dec 2010
Posts: 1,629
Likes: 46
From: East Hartford, CT
Couple other things come to mind.
First thing is stock suspension. I never liked the feel of the stock springs and stiffened it up with the triple rated from Works, also added the riicor intiminators.
They really help. Even just adding the ricors would help.
Second is the fluid in the forks, has it ever leaked? Change time? Heavier WT?
Then there is the bearings, did you inspect them?
Have you ever changed them?
Has the wheel axle nut been torqued properly?
I pull my wheel and have the tire changed with new tube then do the brakes and bearings at the same time.
Should swap the bearings every other tire change.
First thing is stock suspension. I never liked the feel of the stock springs and stiffened it up with the triple rated from Works, also added the riicor intiminators.
They really help. Even just adding the ricors would help.
Second is the fluid in the forks, has it ever leaked? Change time? Heavier WT?
Then there is the bearings, did you inspect them?
Have you ever changed them?
Has the wheel axle nut been torqued properly?
I pull my wheel and have the tire changed with new tube then do the brakes and bearings at the same time.
Should swap the bearings every other tire change.
Ultimate HDF Member
Joined: Dec 2008
Posts: 5,120
Likes: 17
From: Indiana
I just posted in another thread you posted in. I know it sucks, but I would replace the tires back to stock or whatever you know worked last.
Your rear tire could be the issue. I went through the same issues 2 years ago. I Had a Dunlop Roadsmart Dual tread tire on the rear and I could force the wobble at 60+ mph, but 80 just started on its own as it pleased and that's just going in a straight line. Twisties seem to be fine, just couldn't ride in a straight line without the wobble showing up.
It turns out that it was the rear tire. When the tire would warm up it would just turn to mush. I put a stock Dunlop back on and the wobble was gone. After the roadsmart was sitting out in the sun on the side of my house and I picked it up and it was soft as hell. I was able to hold the tire thumb on the bead and my 4 fingers on the tread. I was able to squeeze and touch the bead to the inside of the tire. I put it in the shade and tried it again later and I wasn't able to do it. So that tire was definitely crap.
Your rear tire could be the issue. I went through the same issues 2 years ago. I Had a Dunlop Roadsmart Dual tread tire on the rear and I could force the wobble at 60+ mph, but 80 just started on its own as it pleased and that's just going in a straight line. Twisties seem to be fine, just couldn't ride in a straight line without the wobble showing up.
It turns out that it was the rear tire. When the tire would warm up it would just turn to mush. I put a stock Dunlop back on and the wobble was gone. After the roadsmart was sitting out in the sun on the side of my house and I picked it up and it was soft as hell. I was able to hold the tire thumb on the bead and my 4 fingers on the tread. I was able to squeeze and touch the bead to the inside of the tire. I put it in the shade and tried it again later and I wasn't able to do it. So that tire was definitely crap.
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