Front End Shake - BMW Luxury Touring Community
 
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post #1 of 8 Old Jul 13th, 2015, 8:36 am Thread Starter
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Question Front End Shake

This is a new one on me but I suspect that you guys out there will know about it.

Yesterday was HOT in New Jersey.. I was out on my new (to me..) 2007 K1200LT.. I was heading down the road and did something which I never do, and that is take both hands off the handlebars..basically to get some air flow through my fingers.... Much to my amazement, the front end of the beast started to oscillate, gaining side to side momentum. Quickly put my hands back on the bars and all was well...What's that all about...? I've been riding for years and have never experienced anything like this, again, not that I ride hands free except for perhaps an instant or two...

I recall something about front end oscillation on this board before and was wondering what causes it and what I need to do to correct.. Was a bit un-nerving.... Thanks guys, Joel

Joel Talka
Glen Gardner, NJ

2007 K1200LT - Blue
1978 Corvette Pace Car Replica - ZZ383/M22
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post #2 of 8 Old Jul 13th, 2015, 8:44 am
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Re: Front End Shake

Front tire, radial?
Low air pressure?

Later LT's use bias ply tires.


HTH....Randy

2006 LT
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post #3 of 8 Old Jul 13th, 2015, 10:43 am
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Re: Front End Shake

Steering damper?
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post #4 of 8 Old Jul 13th, 2015, 1:21 pm
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Re: Front End Shake

It is normal. My 07 shook when she was new with 500 miles on it the first time I let go of the bars at about forty during deceleration, woke me up pretty quick. Thirty K miles later it still does it. It has never even hinted at shaking as long as one hand was on the bar. I'm sure there are other factors, tire wear, worn suspension, bad dampers that may make it a little worse but the fact is when conditions are right and hands are off the bars the front wheel will shake. As far as I'm concerned there should be no concern because you should have at least one hand on the bars at all times. Now if it shakes at cruise or during acceleration holding the bars something is definitely wrong.

Scott
2007 LT
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post #5 of 8 Old Jul 13th, 2015, 3:46 pm Thread Starter
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Re: Front End Shake

Guys, Thanks for the insights... Like I said, I've heard of this before on this board as I recall... My bike is an '07 too with only 11K on the clock. It has Metzlers on it and I keep them a few pounds above spec... Needless to say, my hands will be on the bars!! Joel

Joel Talka
Glen Gardner, NJ

2007 K1200LT - Blue
1978 Corvette Pace Car Replica - ZZ383/M22
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post #6 of 8 Old Jul 13th, 2015, 5:18 pm
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Re: Front End Shake

Quote:
Originally Posted by jtalka View Post
Guys, Thanks for the insights... Like I said, I've heard of this before on this board as I recall... My bike is an '07 too with only 11K on the clock. It has Metzlers on it and I keep them a few pounds above spec... Needless to say, my hands will be on the bars!! Joel
My 2006 is rock steady at any speed.

Bridgestones rock.

later..Randy

2006 LT
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Bountiful, Utah
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post #7 of 8 Old Jul 13th, 2015, 8:14 pm
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Re: Front End Shake

I have had it come and go and it was always related to tires. As they wear or become unbalanced it will usually happen as you slow from 45 MPH with hands off the bars. It has always gone away with a new front or a re-balanced front except one time when the new tire was slightly out of round. I am on rear number 13 and front number 8 now. All bikes with worn tires will do this at some unique speed and it will never be felt if you never take your hands off the bars.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
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Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #8 of 8 Old Jul 13th, 2015, 9:27 pm
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Re: Front End Shake

Quote:
Originally Posted by norton View Post
It is normal.
The others have already given you the heads-up, I'd only add that while its a common occurence if there is a front tyre issue - and it can happen with brand new tyres, it is anything but "normal" and shouldn't really happen.
Sometimes you can't get rid of it... its the front tyre = frustration.
Sometimes you get a new front, properly installed and balanced, and the problem is gone (insert happy dance).
Only way I've been able to reduce it with a problem tyre is by installing a HyperPro RSC damper... expensive but you can reduce the effect.
I hated that I could feel it wobbling through sweeping corners (even with a new tyre), hence spending cash on the expensive active damper.

Chris
Sydney, NSW
2005 Dark Graphite Metallic K1200LT
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