I have an 07 streetbob with Vance and Hines big radius pipes on it. I noticed when i get to about 65mph i start getting somevibration through the bike, and it seems the higher i go in speed, the worse it gets (I've only taken it up to about 75mph). When i get it to 70 and pull in the clutch and release the throttle it goes away. I had it to the dealer last week for the 1k service and to check the problem out. The told me that the vibration is caused by the pipes, that the mounts on the bike are meant for stock pipes. I don't think they even looked into it and just gave me some bs excuse.I'm going to take it back into have someone actually look into it, but before i do i'd like to get some idea on what it could be so i don't get another crap excuse. Anyone had a similar problem?

 

Have them get down and check out the motor mounts. Had to have my 06 Bob mounts replaced and others on this forum have had to do the same.

 

They were supposed to check that, and tighten if necessary, as part of the 1k service. Were your motor mounts loose, or was there a problem with them?

 

Front mount cracked/busted.