Front end shake at 40 ... gone . - BMW Luxury Touring Community
 
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post #1 of 5 Old Aug 3rd, 2007, 7:02 am Thread Starter
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Front end shake at 40 ... gone .

In anticipation of my trip I had the front and rear tires replaced on my LT.

The dreaded front end shake that I used to get from 45-40 is completely gone. Now I can decelerate from 50 down to 20 with hands off the bars and there is virtually no shake whatsoever , even during hard engine braking which used to exacerbate the problem.

So I just thought I'd share that with the group here as I've read so many different attempts at and supposed solutions to the problem including the replacement of various joints in the front end and the expensive damper replacement.

Maybe it's different for each bike , and maybe mine will come back leading to a deeper problem , but for mine right now , changing the front tire did the trick.

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post #2 of 5 Old Aug 3rd, 2007, 7:44 am
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Originally Posted by Petre
In anticipation of my trip I had the front and rear tires replaced on my LT.

The dreaded front end shake that I used to get from 45-40 is completely gone. Now I can decelerate from 50 down to 20 with hands off the bars and there is virtually no shake whatsoever , even during hard engine braking which used to exacerbate the problem.

So I just thought I'd share that with the group here as I've read so many different attempts at and supposed solutions to the problem including the replacement of various joints in the front end and the expensive damper replacement.

Maybe it's different for each bike , and maybe mine will come back leading to a deeper problem , but for mine right now , changing the front tire did the trick.

Thanks for giving me hope. i suspect and hope that the tires are the solution with regard my '07's 43mph front end shake.

Jim S.
'07 SturmGrau K1200LT

“Not all those who wander are lost.”


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post #3 of 5 Old Aug 3rd, 2007, 7:51 am
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Quote:
Originally Posted by Petre
In anticipation of my trip I had the front and rear tires replaced on my LT.

The dreaded front end shake that I used to get from 45-40 is completely gone. Now I can decelerate from 50 down to 20 with hands off the bars and there is virtually no shake whatsoever , even during hard engine braking which used to exacerbate the problem.

So I just thought I'd share that with the group here as I've read so many different attempts at and supposed solutions to the problem including the replacement of various joints in the front end and the expensive damper replacement.

Maybe it's different for each bike , and maybe mine will come back leading to a deeper problem , but for mine right now , changing the front tire did the trick.

Hey Pete, how many miles on the front tire you replaced, what brand, and was there any evidence of a specific tread-wear pattern? Also, what tire pressure were you using on the front, and what are you using now? Thanks.

Bill
Guilford, CT
'99 Canyon Red K1200 LT - Buddah Bike
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post #4 of 5 Old Aug 3rd, 2007, 8:26 am
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Hey Pete, how many miles on the front tire you replaced, what brand, and was there any evidence of a specific tread-wear pattern? Also, what tire pressure were you using on the front, and what are you using now? Thanks.
Ah, but was it the front tire causing the problem? Many times, a front end problem is from the rear.



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post #5 of 5 Old Aug 3rd, 2007, 10:05 am Thread Starter
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Hey Pete, how many miles on the front tire you replaced, what brand, and was there any evidence of a specific tread-wear pattern? Also, what tire pressure were you using on the front, and what are you using now? Thanks.
The front was literally bald in the center with about 13k on it. It was at fact ory pressure when I bought it and left it there for the first 5k and it developed REAL BAD cupping and about the same time I noticed the front end shake begin. The rear was brand new when I bought it and still had about 1000 mile on it but since I was going on a 3-4k trip I decided to change it too.

Metzler 880's on old and new.

The cupping pattern is the typical metzler cupping after each groove.

I thought mine was bad but there were other LT's at the dealer and HOLY SMOKES were THEY BAD! Literally 1/8th or more inch deep cups!

When I increased my tire pressures to 42 , 48 it seemed to help relieve the cupping and drone in turns and over time the cupping reduced slightly.

Time will tell if starting off with the higher pressure will prevent the cupping .
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