I think your answer lies here http://www.buellxb.com/Buell-XB-Foru...derstorm-heads
Is the bore and stroke on a S1 the same as an XB12? If so, then I would think the 9's pistons would fit, correct?
Thanks for the help ahead of time.
JP
I think your answer lies here http://www.buellxb.com/Buell-XB-Foru...derstorm-heads
Sounds like it will work with some heads. My next question is, what heads should I use? Do XB heads fit?