250x 300ex big bore

[fastmofo250]

could i get a big bore meant for a 300 and put into my 250x? whats would be the difference in cc?

[bradley300]

yes you can, the difference is about 30cc

[TRXRacer1]

:mad: You just asked this and I gave you some good info too.

http://www.exriders.com/vbb/showthread.php?s=&threadid=125913