its not that easy, if you have 14.1 then you will need to pump up the octane or retart the timing. i would go with the big bore and 11.1 on pump gas. hello.

 

I don't own a bomb, but I find a certain pride in keeping my kfx stock bore... I recently had to give in and go 30 over, but I did it kicking and screaming... I wanted to make the fastests stock bore bike I could..

I guess it's just... well anybody can make a bigger motor... I wanted to make a better one. [img]i/expressions/face-icon-small-smile.gif[/img]