a new 131 billet from kermit and a set of dual 360 w/ bully 4 disc and kermits new pipe (16.000 rpm) will still be the best buy out there 54 hp off his dyno. and" run it like you stole it " JMHO and you dont send it back every time you run it! i dont believe the other 2 strokes have all their little problems sorted out yet?? a proven combination THE design has been around for years and won most of the big races in the country.,affordable and most backyard mechanics can rebuild it themselves.! call !kermit and inquire about his line of 125-131-150 cc sudams. call 1 402-723-4713! and your wallet will still have a few dollars in it when you get the motor! JOHN HILTON BULLER DEALER AND USER!