[mattg]

I swapped in a stroked, ported and polished graves engine into my friends 03 r1.

ever since, the grips vibrate so much I can't stand to ride it for more than 30 minutes. do you guys have any suggestions?

 

[nig]

Barsnake?

www.barsnake.com

 

[mattg]

r1's have clipons, not handle bars

 

[Eyespy]

Make sure you did not over-torque the motor mount bolts.