i'm getting one from RAGE ATV racing...they build the most badass motors for the 450R ever....they said their motor package with just a cam, piston, and port and polish will be making 55+ hp...he said the full blown race motor package will make race yamis "wimper" according to him....im lookin into that this winter
2004 TRX450R #75
JRD +3 LT arms (chrome), Elka LT quadrate ARC up front, Elka dual rate rear, Elka Linkage, Shamrock beadlocks all around, Turf Tamer rears, Grooved radial fronts, PEP steering stabilizer, powermadd red/black handguards, black Blingstar bumper, Nac's racing yellow backgrounds, Renthal 7/8" bars with red crosspad, Progrip blue/black grips, JRD Pro peg nerf bars, walsh racing parking brake blockoff, Team Hawg Racing clutch w/perch, Pro Design Tether Cord, Stock headlights removed, Key removed, TC full exhaust, Lid off, K&N filter, RPM Dominator axle, Braided Brake lines front/rear, skid plates removed cept for under motor, white painted pro pegs/grab bar....more but can't think of it right now