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#1002893 - 12/29/17 10:27 PM Re: Nervous tracking - a little twitchy riding at speed [Re: dirtrider]  
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Posts: 251
NickInSac Offline
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NickInSac  Offline
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Northern Ca, Sacramento
The front end seems very solid. The rear end does have a very slight movement from 12-6, no movement (none that I can tell) from 9-3.

I can't get any movement with the front wheel off the ground and I tried moving the wheel back and forth while feeling the ball joint for play. I can't seem to get any play from the front end at all. Maybe if I got a crow bar in there somehow (just kidding).

I tried checking all the suspension points on the front end. I couldn't get to see the canter-lever front piece that seems to mount on the engine...? I can't really tell where it is mounting unless I take the plastic off. The front end handlebars and fork assembly moves freely. It doesn't seem tight like it does when the bike is on the ground.

I turned the shocks down, and I will take a ride (hopefully) tomorrow and see.

I looked at the tires again, they don't look they are even at the half way wear mark. Nothing unusual all around the tires too.

Not sure what else to do... frown


2006 R1200RT in Sacramento CA
#1002894 - 12/29/17 10:50 PM Re: Nervous tracking - a little twitchy riding at speed [Re: NickInSac]  
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RobinW Offline
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RobinW  Offline
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Brisbane, Australia
I had the same issue on an 1100. It didn't want to track right, felt twitchy.
I put the bike on the centre stand and got some help.
We got the front wheel bouncing and I put my hand over the front ball joint.
Sure enough I felt some movement there, replaced it and fixed it.


01 530i M-Sport
#1002896 - 12/29/17 11:06 PM Re: Nervous tracking - a little twitchy riding at speed [Re: RobinW]  
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NickInSac Offline
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NickInSac  Offline
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Northern Ca, Sacramento
Originally Posted by RobinW
I had the same issue on an 1100. It didn't want to track right, felt twitchy.
I put the bike on the centre stand and got some help.
We got the front wheel bouncing and I put my hand over the front ball joint.
Sure enough I felt some movement there, replaced it and fixed it.


Cool. I’ll have my GF help me with that one.


2006 R1200RT in Sacramento CA
#1002898 - 12/30/17 12:01 AM Re: Nervous tracking - a little twitchy riding at speed [Re: RobinW]  
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NickInSac Offline
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NickInSac  Offline
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Northern Ca, Sacramento
Originally Posted by RobinW
I had the same issue on an 1100. It didn't want to track right, felt twitchy.
I put the bike on the centre stand and got some help.
We got the front wheel bouncing and I put my hand over the front ball joint.
Sure enough I felt some movement there, replaced it and fixed it.


SOOooo, did this. Doesn't seem to be a significant amount of movement. I would equate it to a slightly worn shock bushing kind of movement. That's the whole front end, not just the ball joint.

ugg

Perhaps, I will just deal with it and wait for it to get worse and check the suspension play again.

There seems to be no wheel run-out at all on the front or rear. Just a slight wiggle when it hits a bump (small bumps) at that.

Nick

Last edited by NickInSac; 12/30/17 12:02 AM.

2006 R1200RT in Sacramento CA
#1002903 - 12/30/17 12:58 AM Re: Nervous tracking - a little twitchy riding at speed [Re: NickInSac]  
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Bernie Offline
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Bernie  Offline
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Jax, FL
Originally Posted by NickInSac
Originally Posted by RobinW
I had the same issue on an 1100. It didn't want to track right, felt twitchy.
I put the bike on the centre stand and got some help.
We got the front wheel bouncing and I put my hand over the front ball joint.
Sure enough I felt some movement there, replaced it and fixed it.


SOOooo, did this. Doesn't seem to be a significant amount of movement. I would equate it to a slightly worn shock bushing kind of movement. That's the whole front end, not just the ball joint.

ugg

Perhaps, I will just deal with it and wait for it to get worse and check the suspension play again.

There seems to be no wheel run-out at all on the front or rear. Just a slight wiggle when it hits a bump (small bumps) at that.

Nick


You may want to check you top front shock rubber bushing, it may have separated and is inducing some play into the front end.
Also shocks like Wilburs or Ohlins should be reconditioned every 25-30K Miles. It really improves the handling.


Bernie
Jax, FL
2018 R1200RT, Alpinweiss, starting out fresh.
2007 R1200RT, Double Silver 188,700 Smiles, SOLD
2000 R1100RT, Opal 104,000 Smiles, SOLD
BMW-MOA, BMW-RA,
AMA, BMW-NEF,
#1002908 - 12/30/17 03:01 AM Re: Nervous tracking - a little twitchy riding at speed [Re: Bernie]  
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NickInSac Offline
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NickInSac  Offline
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Joined: May 2014
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Northern Ca, Sacramento
Quote


You may want to check you top front shock rubber bushing, it may have separated and is inducing some play into the front end.
Also shocks like Wilburs or Ohlins should be reconditioned every 25-30K Miles. It really improves the handling.


I’ll check the top of shock mount.

Thanks


2006 R1200RT in Sacramento CA
#1002910 - 12/30/17 03:26 AM Re: Nervous tracking - a little twitchy riding at speed [Re: NickInSac]  
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Bernie Offline
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Jax, FL
While you at it, you may just want to also check the bottom rear shock mount, a few folks had the bolt break somehow. That would maybe also cause some sort of problem.


Bernie
Jax, FL
2018 R1200RT, Alpinweiss, starting out fresh.
2007 R1200RT, Double Silver 188,700 Smiles, SOLD
2000 R1100RT, Opal 104,000 Smiles, SOLD
BMW-MOA, BMW-RA,
AMA, BMW-NEF,
#1002940 - 12/30/17 05:23 PM Re: Nervous tracking - a little twitchy riding at speed [Re: Bernie]  
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tallman Offline
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Tallahassee, Florida
Past time to rebuild the shocks.
Start there.
Then new shoes.

If after that issues persist then dig deeper.
Of course 122 is a fair number of miles and doing the other work
won't hurt.


If my mind wanders, should I follow it?
Tim
Conch Town Krewe
2003 K 1200 GT
1996 R 1100 RSL
1980 R 100 RT
1972 R 75
1968 R 50
All now gone...

#1003370 - 01/09/18 06:46 PM Re: Nervous tracking - a little twitchy riding at speed [Re: NickInSac]  
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NickInSac Offline
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NickInSac  Offline
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Northern Ca, Sacramento
SOOOOOOooo, I turned down the front shock two steps. It tracks and rides MUCH better now. The bike seems a little soft for "spririted" riding though. Tomorrow (when this rain let's up), I will turn the front and rear up on notch and see how it goes. I do recall the shocks seem to get stiffer in the cold (less than 45 degrees, I know, that's not cold to most of you). smile


2006 R1200RT in Sacramento CA
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