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Tracer 900 GT unstable steering

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JohnD
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Joined: 15 Mar 2019
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PostPosted: 13:23 - 15 Mar 2019    Post subject: Tracer 900 GT unstable steering Reply with quote

I have a Tracer 900GT. I got it last autumn and have done about 1600 miles. During my test ride I thought that the steering was a bit too light and it didn't inspire confidence turning in, especially on tighter bends. I got one anyway because I thought that I'd get used to it. I haven't.

I ride a lot on lanes and B roads. Through the winter these have obviously gotten wet and muddy. On these roads the Tracer is scary.

On four occasions it has gone from straight line riding at moderate speed to tank slapper in the blink of an eye. This seems to be triggered by just a small dollop of mud or a small slimy patch.

Twice I've been on the grass before getting it back together. The last time the Tracer won. It threw me onto the grass. I got it back together, got it back on the road only for it to tuck under completely a few yards further down the road.

It's not me! I've been riding these roads for 45 years on a whole range of bikes. The last time I dropped one due to mud on the road was over 40 years ago.

Does anyone else have this problem? Is this low speed instability a known feature of the bike?

I think that a steering damper might help but I can't find one for the GT. Has anyone fitted a damper to a 900GT?

Suspension settings are as recommended. I'm wondering if softer forks with less compression damping might help. Any thoughts?
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doggone
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Joined: 20 May 2004
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PostPosted: 13:33 - 15 Mar 2019    Post subject: Reply with quote

Could it be on wrong tyres, or even not the original wheels.
Subtle changes in geometry can trigger this sort of thing.
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chris-red
Have you considered a TDM?



Joined: 21 Sep 2005
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PostPosted: 14:11 - 15 Mar 2019    Post subject: Reply with quote

Take it to a proper suspension place, they should be able to sort it out. I can recommend MCT in Stowmarket if you are anywhere near there.
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Tdibs
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Joined: 16 Jan 2015
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PostPosted: 17:23 - 15 Mar 2019    Post subject: Reply with quote

Yeah I would spend some time and money seeing if a proper suspension setup fixes it.

I found the front end pretty wild when I test rode one too though. Bumps in the road seemed to unsettle it quite a lot when you were giving it the beans it was quite unpredictable.
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Howling Terror
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Joined: 05 Dec 2008
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PostPosted: 17:44 - 15 Mar 2019    Post subject: Reply with quote

I agree on taking it to be checked over and setup. It'll save time.

A search on google for Tracer 900GT wobble did yield people having similar issues.

Like previously mentioned it could be many things that causes it. In my case it was the old rear suspension on one bike and a worn front tyre on another bike that didn't like particular changes in road surfaces.
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Nobby the Bastard
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Joined: 16 Aug 2013
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PostPosted: 21:20 - 15 Mar 2019    Post subject: Reply with quote

Have you checked the tyre pressures? A tank slapper is almost unheard of on a modern bike.
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stinkwheel
Bovine Proctologist



Joined: 12 Jul 2004
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PostPosted: 21:36 - 15 Mar 2019    Post subject: Reply with quote

The issue is almost certainly with the back end somewhere. Suspension damping, ride height, tyre pressures.

The most notoriously slap-happy bike of recent history (TL1000S) was mostly due to a badly designed suspension damper and partly due to an over-wide rear tyre.

Looking at pictures, it does have quite an oddball looking swingarm.

Also from the pictures, these come with hard luggage as standard? Have you tried riding with it off to see if it makes a difference? Top box?
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