engine vibration - never noticed before

Thumper1

New member
Joined
Aug 22, 2006
Messages
416
Location
Western Illinois
not sure if anyone has done this.......with the rear of the sled up in the air, rev the motor to about 6000 rpms. feel each of the power valve housings. the mag side vibrates like crazy!!! the other 2 are not near as much. weird, seems like a lot of vibration. both vipers did it.
 


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