SuperMoto Junkie banner

yamaha motor swap

  1. Project Builds Showcase
    All right all you geniuses. I bought a 2009 yz450f for stupid cheap hopeing it wasn't too bad. Rolled the dice and the motor is a loss. Found a guy here with a good deal on a 08 wr motor. I know it will go in the chassis. The question is how easily and with what changes. If I wanted to keep...