bore question

[FasstMidnightZ]

can i just bore out my 250ex and not have to replace anything else or do i have to do other stuff if i bore it out .how much power will i get from doing it .

[chucked]

Originally posted by hondaexrider
can i just bore out my 250ex and not have to replace anything else or do i have to do other stuff if i bore it out .how much power will i get from doing it . , new piston and rings, probably a head gasket and base gasket, also. You will need to rejet, depending on how big you go.