top end rebuild

[dobo450r]

hey guys i am getting ready to change to a hi-compression piston. other then the piston do i need to get a jet kit for this change. i already have the hrc kit, i hope this will add the much need power to stay competitive with the big dogs at my track
Brian

honda is the way to go

honda 450r

[MR.BIG]

Changing your compression ratio will not affect jetting!