Originally Posted by rogergendron1
and motorbicycleracing is correct a x chamber will give you the most for your money, its something you can feel and substantiate right on the first ride,
however i like to do that after i get the compression ratio i want and port it the way i want and get the top end modded and lightend then i make the exhaust tunned to the motor, this way i dont have to keep chopping it up and changing header lengths and sutch to keep retuning it after every major mod lol
Hey, the advice we are giving is directed towards a novice who
just put a motor on a bike.
He ain't going to be hacking up motors like you.