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Buell Motorcycle Forum » Old School Buell » Archives OSB 001 » Archive through September 12, 2007 » Adding a Steering Stabilizer causes wobble? « Previous Next »

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Brinnutz
Posted on Wednesday, September 05, 2007 - 02:52 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Ok, I bought a brand new Hyperpro Steering Stabilizer from eBay a couple weeks ago and finally installed it. I think it's the older style because it doesn't look like this :
http://www.americansportbike.com/shoponline/ccp0-p rodshow/5557.html

Anyhow, I installed it and got the bike up to about 90-100mph and the bars started wobbling...Never happened before. So I thought maybe if I stiffened the stabilizer, nope that just made it start wobbling a hell of a lot worse at 75mph. So I loosened it all the way and now I'm wondering why it does this? I thought these things prevented this from happening?
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Chadr81
Posted on Wednesday, September 05, 2007 - 04:21 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I would talk to Al there and see if you got he right part. I don't have one of those, but I'm under the impression that they are supposed to help with the wobble, but not completely cure it. I have my suspension tuned to the point that I don't get much wobble at all... all the way up to redline. Just took lots of tinkering.
Chad
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Brinnutz
Posted on Wednesday, September 05, 2007 - 07:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yea, I had no wobble before...Funny thing, the guy on ebay said it was for a 2002 M2...Same as what I got...
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Natexlh1000
Posted on Wednesday, September 05, 2007 - 12:12 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Bikes auto-correct due to gyroscopic precession. If you damp it, it will still auto-correct but at a lower frequency.
Too low and you will notice it.
Why did you buy a band-aid if you didn't have a boo-boo?
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Warlizard
Posted on Wednesday, September 05, 2007 - 02:12 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

What Nate said. Why buy it if you didn't have head shake? It sounds like you were running fine before? If it ain't broke.....
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Tattoodnscrewd
Posted on Wednesday, September 05, 2007 - 07:02 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

For the street, I'd agree .. not really a needed piece ...

but if you do track days or even drag racing with your street bike .. then yes, there are benefits ... I do more street riding than track/drag .. but those hard runs through lots of twisties .. it's nice to have one..
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Brinnutz
Posted on Wednesday, September 05, 2007 - 10:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I bought it because when I hammer it, the front end is light, as you all know well I'm sure...and I didn't like how easy it was for the handlebars to move...So, I got a dampener thinking this would help.

It's still doing it, I don't know why, but it makes tight fast turns a little wobbly. I've got drill this weekend so I guess I'll have to take it off next week some time and report back.

I liked how it stiffened everything for just the daily riding but high speeds...whew, scared the livin hell outta me!! Tank slappin and all!! LOL

Plus, I bought it because it was a helluva deal!! =)
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Tattoodnscrewd
Posted on Thursday, September 06, 2007 - 12:55 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

That doesn't make sense though .... Once I installed one on my M2 cornering was way more stable then without .. (and I do mean high speed cornering)

Don't know why it was cause problems at high speeds just riding straight though ...

They do take some getting used to .. I keep my M2's damper set about halfway .. would feel weird not to have it now -- but that bike has always been stable .. just wanted more stability when cornering ..

What do ya want fer it if'n ya end up gettin' rid of it ?
Want one for my S1 now ... (I'd think they would sell a clamp for it for the inverted forks ..)
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Brinnutz
Posted on Thursday, September 06, 2007 - 01:06 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Tat...

I really want this to work, LOL, because it helps with the wheelies..=)

coming down doesn't have wobbles...But man, I can't have it on wrong...

Maybe if I slide the tube down farther and extend the arm? Who knows..
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Buellzebub
Posted on Thursday, September 06, 2007 - 07:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

maybe... you have a wheel alignment/steering head bearing/wheel bearing issue hiding
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Tattoodnscrewd
Posted on Thursday, September 06, 2007 - 07:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

He doesn't have other issues going on .. notice he said his bike had NO wobble prior to installing the damper ..

I understand the helping when popping a wheelie .. (kinda the same reason they are great for the drag strip - that and the geometry of the bike is changed when you strut it and strap the front end down ... )


I can't call this one though, makes no sense to me .. maybe someone more knowledgeable can chime in .. maybe it's not the length but the way it is installed .. where on the fork diameter is it installed - meaning the pivot point at the fork, and frame tube .. did it come with instructions ? I don't know if that would affect anything but you never know ..
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Warlizard
Posted on Thursday, September 06, 2007 - 08:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Maybe the damper itself is bad? Was it new?
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Nevrenuf
Posted on Thursday, September 06, 2007 - 08:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

brin, like some of these are trying to say, if it's not broke don't fix it. i tried to do wheelies after i got my bike and although i did get it up the one thing i did find out is that it tends to right itself without much effort. as far as buying anything from ebay, the first time i bought something from there is the last time. you have no idea what that thing was used for or how it was used and as to why it is being sold. my advise would be never buy something used that is going to effect the way your bike handles. would you buy a used set of tires. anyhow good luck none the less.
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Brinnutz
Posted on Friday, September 07, 2007 - 01:13 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Tat,
I mounted it according to the instructions. This thing was new in packaging...sealed.
I installed in on the fork 6mm up from the bottom clamp and on the frame oh, I dunno how far back (bike is at my girls place in her garage).

War,
Yes, brand spankin new clamps still in bags. =)

Nevr,
Well, I really wanted the extra stiffness, so to speak, and safety of having one. I didn't buy it used, it was new. =)
And yes, I would buy a used back tire, to burn off and that's all..LOL

But thanks, I guess I added it for the sake of having in case ya know? Trying to possibly prevent a wobble if it ever would occur.
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Pilot
Posted on Friday, September 07, 2007 - 07:05 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Mate do you have a clamp around the body of the dampener / If you do make sure you have not overtightened it as this will cause a tight spot that you have to apply more pressure to allow the piston to move through and this will cause a wobble.Paul found this to be the case with his xb.
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Brinnutz
Posted on Friday, September 07, 2007 - 11:04 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I will try that Pilot. I did tighten them pretty well.
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