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Old 11-03-2009, 03:45 PM   #1 (permalink)
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Feel like marbles

OK before I start I jacked the bike up and check the wheel bearings, tighter than a frogs P.sy.

At and over 50mph the bike feels like I'm on marbles, I know at times when it's the Rd. and the groves in it can cause this sensation however today and days past the Rd's. are clean no groves or bumps, any ideas. thanks scol.

Oh ya I'm straight up and no turns. When in a turn seems relatively OK
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Old 11-03-2009, 03:47 PM   #2 (permalink)
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Fall Away maybe?
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Old 11-03-2009, 03:47 PM   #3 (permalink)
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tire air pressure good?
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Old 11-03-2009, 03:48 PM   #4 (permalink)
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front to rear alignment?
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Old 11-03-2009, 03:50 PM   #5 (permalink)
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Quote:
Originally Posted by Motive View Post
Fall Away maybe?
Whats that?

Tire presur good.

Alignment posibly it's coming up for the 5000mi check.

Think I'll pull the manual out and see what it says.

Thanks
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Last edited by scol : 11-03-2009 at 04:19 PM. Reason: corrected
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Old 11-03-2009, 03:54 PM   #6 (permalink)
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Fall away OOC can cause wobbles at higher speeds

Took this from another forum, better at explaining it than I am:

Quote:
Fall away is when you check the pre-load on the steering head bearings.Here's the procedure...jack the bike up to make sure it is level,remove the clutch cable,and lever from the handle bars.Place a piece of tape on the front tire.Grease the steering head bearings,providing you have a grease fitting in the steering head frame,which you should have,after greasing the bearings,move the front end right to left several times making sure the grease is dispersed into the bearings.Place the front wheel at the center where it feels neutral,using a pointer line it up with the tape,tap on the side of the tire to the right,when it starts to fall away mark that spot on the tape,once again bring it back to center where you find the neutral spot,tap on the side of the tire towards the left,when the wheel starts to fall away place a mark on the tape.Now measure between the two marks,and it should be 1 to 2 inches to be in specification.
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.....Motive we know
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Old 11-03-2009, 04:00 PM   #7 (permalink)
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Marbles?

You added rear shocks to your bike lowering it, correct?

Has this just started?

Things that come to mind:

1.) Rear swingarm bearing play.

2.) Jack bike up and spin wheels looking for irregularity in tires.

3.) Rear wheel alighment, but not likely.

4.) Steering neck bearing play. (Like Motive said) or too loose....

5.) Check wheel torque front and rear.
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Old 11-03-2009, 04:02 PM   #8 (permalink)
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Quote:
Originally Posted by Motive View Post
Fall away OOC can cause
Quote:
wobbles at higher
speeds

Took this from another forum, better at explaining it than I am:
I wouldn't say it wobbles just feels like marbles or the bike isn't planted or I'm on slippery surface, don't know how else to explain it. No wobbles though.
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Old 11-03-2009, 04:10 PM   #9 (permalink)
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Quote:
Originally Posted by Dave63 View Post
Marbles?

Quote:
You added rear shocks to your bike lowering it, correct?
Back in the early spring, I used lowering blocks. after new shocks.
Quote:
Has this just started?
I don't often go up to or over 50,
back Rds. mostly

Quote:
Things that come to mind:
I'll be looking at the manual to check things out.

Quote:
1.) Rear swingarm bearing play.

2.) Jack bike up and spin wheels looking for irregularity in tires.

3.) Rear wheel alighment, but not likely.

4.) Steering neck bearing play. (Like Motive said) or too loose....

5.) Check wheel torque front and rear.
Thanks
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Old 11-03-2009, 04:12 PM   #10 (permalink)
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also.....check the torque in the steering tube (upper and lower triple trees) pinch bolts.
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