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Old 05-18-2012, 03:49 PM   #2
supershaft
because I can
 
Joined: Sep 2010
Location: San Francisco Bay area
Oddometer: 8,830
I didn't read your thread but my dad use to do that to some then brand new airheads to reduce vibration. Squeezing in the frame induces stress that might be sympathetic to particular rpms and amplify vibrations.
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