PDA

View Full Version : racing mods


mxracer89
09-09-2002, 08:01 PM
what can i do to my 400 engine to make it fast on the mx tracke
rookiex
09-09-2002, 08:03 PM
bore stroke polish....get shocks first if you don't have any....work the shocks then the motor...if you dont have a pipe that too
AtvMxRider
09-09-2002, 08:25 PM
14th front sprocket.