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Old 07-31-2012, 12:21 PM   #3
mustardfj40 OP
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Joined: Apr 2012
Location: Siicon Valley, California
Oddometer: 139
Thanks for info. I did some some researches and believe that the high speed frequency vibration is inherited in the F650/800 twin engine, the high frequency vibration can also cause hands and fingers going numb after extended high speed riding.

Learn more about my bimmer everyday.
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