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Old 11-03-2012, 11:52 AM   #3544
markjenn
Beastly Adventurer
 
Joined: Nov 2003
Location: Swellvue, WA
Oddometer: 10,261
Quote:
Originally Posted by DannyZRC View Post
This slight misalignment is what causes the "rocking couple" of the boxer, which is a back and forth oscillation in the yaw axis of the motorcycle, it's the primary source of felt vibes.
I've always wondered why BMW hasn't tried eliminating the offset (and presumably the rocking couple vibration) by using a forked conrod on one side with bearings on either side of the other side's bearings so that the two cylinders could be aligned.

- Mark
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