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Low speed wobble

 
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Aaron McConeghey

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Since: Jul 07, 2003
Posts: 19



(Msg. 1) Posted: Thu Apr 01, 2004 10:16 pm
Post subject: Low speed wobble
Archived from groups: alt>motorcycle>sportbike (more info?)

I just got the '02 Daytona 955 CE (with the single sided swingarm)
back from the shop for routine maintenance. One of my nitpicks I
mentioned to the mechanic was that I thought the steering head bearing
was maybe a little loose. He checked it and told me he tightened it.
When I got home and was cruising through town at about 20 mph, the
bike didn't seem to want to track straight. The bike would slowly
swerve left-righ-left-right. It didn't seem to have any problems on
the one or two big sweeping corners I-80 has to offer in here in Iowa.
Granted, it's 100 miles from the mechanic's and I was pretty cold,
but I don't think I was putting any inputs in. So my question is,
could this be a symptom of an overtightened steering head bearing?
The only other thing I can possibly think of that might have something
to do with this is that the chain was replaced. Turns out my
definition of proper chain tension was no the same as Triumphs, live
and learn (and shuck out for a new chain at 6K, I guess).

Thanks,

Aaron McConeghey

'02 Triumph Daytona CE
'01 Suzuki SV650

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Larry xlax Lovison4

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Since: Sep 22, 2003
Posts: 232



(Msg. 2) Posted: Fri Apr 02, 2004 1:03 am
Post subject: Re: Low speed wobble [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

So my question is,
 > could this be a symptom of an overtightened steering head bearing?

Yes... if a bike will not naturally seek a center of balance then I
would suspect to much resistance at the steering head bearings...

Larry L
94 RC45 #2
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Timberwoof1

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Since: Jul 02, 2003
Posts: 1133



(Msg. 3) Posted: Fri Apr 02, 2004 9:28 am
Post subject: Re: Low speed wobble [Login to view extended thread Info.]
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In article <406D1E4E.3060307 RemoveThis @nospamcomcast.net>,
Larry xlax Lovisone <netters2 RemoveThis @nospamcomcast.net> wrote:

 > So my question is,
  > > could this be a symptom of an overtightened steering head bearing?
 >
 > Yes... if a bike will not naturally seek a center of balance then I
 > would suspect to much resistance at the steering head bearings...

Before you check anything else, make sure the tires are inflated
properly. Then look at the steering-head bearing tightness.

--
Timberwoof <me at timberwoof dot com>
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Battleax

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Since: Jun 25, 2003
Posts: 274



(Msg. 4) Posted: Fri Apr 02, 2004 9:34 am
Post subject: Re: Low speed wobble [Login to view extended thread Info.]
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"Larry xlax Lovisone" <netters2.TakeThisOut@nospamcomcast.net> wrote in message
news:406D1E4E.3060307@nospamcomcast.net...
 >
 >
 > So my question is,
  > > could this be a symptom of an overtightened steering head bearing?
 >
 > Yes... if a bike will not naturally seek a center of balance then I
 > would suspect to much resistance at the steering head bearings...
 >
 > Larry L

Almost guaranteed steering head bearings, especially when a mechanic has
just "tightened" them.
B<!-- ~MESSAGE_AFTER~ -->
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Andrew8

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Since: Feb 10, 2004
Posts: 406



(Msg. 5) Posted: Fri Apr 02, 2004 7:23 pm
Post subject: Re: Low speed wobble [Login to view extended thread Info.]
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"Battleax" <unavailable RemoveThis @thistime.net> wrote in message
news:dsCdnZmzkLUX9vDdRVn-ug@magma.ca...
 >
 > "Larry xlax Lovisone" <netters2 RemoveThis @nospamcomcast.net> wrote in message
 > news:406D1E4E.3060307@nospamcomcast.net...
  > >
  > >
  > > So my question is,
   > > > could this be a symptom of an overtightened steering head bearing?
  > >
  > > Yes... if a bike will not naturally seek a center of balance then I
  > > would suspect to much resistance at the steering head bearings...
  > >
  > > Larry L
 >
 > Almost guaranteed steering head bearings, especially when a mechanic has
 > just "tightened" them.
 > B

I thought it was a high speed weave that signalled steering head bearings
being to tight?


--
Andrew
00 Speed Triple
00 Daytona<!-- ~MESSAGE_AFTER~ -->
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Aaron McConeghey

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Since: Jul 07, 2003
Posts: 19



(Msg. 6) Posted: Sun Apr 04, 2004 8:01 pm
Post subject: Re: Low speed wobble [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Thanks for all the replies.

Larry X, thanks for your reply especially. You described my symptom
much better than I did. The bike seems to have a hard time finding
it's natural center of balance. I checked my tire pressures yesterday
and they were about 2 psi low on both ends, so I don't think that was
the cause. I didn't notice the bike was acting a little funny at
speed on the the way home from the shop due to blustery crosswinds and
shivering from the cold. Once I got back into town and out of the
wind it became more apparent. I definately need to take it in and get
it checked out. The problem is that my "trusted" mechanic is 100
miles away so I don't know if I want to take it back to him or let the
local idiots take a shot at it. Before everyone flames my "trusted"
guy, I'll say that he had adjusted the steering head freeplay on my
old Daytona several times and I never had this problem. Besides that,
he's the only Triumph mechanic that I know of in Iowa that actually
rides Triumphs and works primarily on new Triumphs. Everyone has a
bad day once in a while I guess.

Thanks again everyone!

Aaron McConeghey
'02 Triumph Daytona CE
'01 Suzuki SV650
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