Bike pulling to the right

silver_rider · September 11, 2006, 07:14:23 AM

Hello guys,

Need some help sorting out the problems with my bike. It pulls to the right slightly when I let go of the handlebars and they also shake from side to side. I checked the frame for any impact points as the bike has been dropped (the scrapes on the left engine cover) and could not find any. Could it be forks? I did check them visually and can't see any obvious missalignment. Any idea how to check more accurately? Triple Ts bent?

Thanks for any advice,

Doug.

NiceGuysFinishLast · September 11, 2006, 07:40:23 AM

Did you check your tire pressure? I know that when mine got low, I developed head shake.

silver_rider · September 11, 2006, 07:44:02 AM

Yes, that was the first thing I checked, it is at 33 psi. I think the shake and pulling to the right must be somehow connected, tire pressure would not make it pull to one side (I don't think).

Thanks,

Doug.

MarkusN · September 11, 2006, 07:45:15 AM

Have you sorted out the swingarm adjustment issues that you were posting about earlier? Or might it come from there?

MrDan · September 11, 2006, 07:52:14 AM

I noticed this as well. Turns out, in keeping the bike stable, I was exerting much more pressure with my left knee and forcing the bike to the right. I think it all comes down to your balance on the bike.

As for the shake, what speed are you talking? As the bike slows down, it will probably increase (did for me at least).

EricRat · September 11, 2006, 07:55:02 AM

google "motorcycle string test" and use the described method to check the wheel alignment.

A good description is here: http://w6rec.com/duane/bmw/frame/index.htm

Chuck · September 11, 2006, 07:59:32 AM

Does it pull on a flat parking lot? I notice some interesting effects due to the crowning of some roads that make it necessary to keep at least one hand on. It's a long shot, but worth checking if there's a problem at all.

silver_rider · September 11, 2006, 08:00:50 AM

Quote from: MarkusN on September 11, 2006, 07:45:15 AM
Have you sorted out the swingarm adjustment issues that you were posting about earlier? Or might it come from there?

Yes, I did align the rear wheel and checked it using the string test. Things seem to be in order.

Cheers,

Doug.

silver_rider · September 11, 2006, 08:02:22 AM

Quote from: Chuck on September 11, 2006, 07:59:32 AM
Does it pull on a flat parking lot? I notice some interesting effects due to the crowning of some roads that make it necessary to keep at least one hand on. It's a long shot, but worth checking if there's a problem at all.

Ah, I was hoping that was the problem, but it pulls everywhere, so it is not the road.

Cheers,

Doug.

ASIA 1 · September 11, 2006, 08:19:10 AM

Check the follow :

Front wheel :
1. wheel bearing
2. loosen axie
3. wheel rim

Rear wheel :
1. wheel bearing
2. loosen axie
3. swingarm and rear cushion bearing
4. loosen suspension mountings

MrDan · September 11, 2006, 08:24:11 AM

Going back to what I was saying .... why not have a friend or fellow rider see if they get the same result - be sure not to tell them about it beforehand. It might be much simpler than a wheel issue.

ducati_nolan · September 11, 2006, 09:54:58 AM

I had an old BMW that would pull to one side, it was due to the seat missing some bumpers that made it sit at an angle. Make sure your seat is correctly mounted and that you are sitting fully upright and not leaning to one side.
Hope it's this simple

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Bike pulling to the right