PDA

View Full Version : Trx 250X top end



djmac
04-02-2003, 03:11 PM
I own a Trx 250X. It has a 12 to 1 compression, bored 20 over, a FmF power core exhaust, runs on racing fuel ,and has a k&n airfilter. I'm thinking about cams and valve springs :devil does that improve much? is there anything else i can do? thanks for the help.