I have a 2006 race ready 2006 trx 450er the quad is mint needs nothing the quad has been raced a couple of times but after every race I change the oil and oil filter the motor was just fully rebuilt from the bottom to the top by Herba Motor Company that has been in business for 25 years I have all showing what they did, here is a list of parts on the quad

houser + 2.25 A arms
g force +2 +4 adjustable axle
houser +2 streeing stem
full lrd pipe
full nerf bars
quad tech hood
tag bars
itp holeshots front and rear
Uni air filter
blingstar front bumper
blingstar rear grab bar with number plate
8x8 rear rims
msr clutch lever and perch
bomb squad graphics
bomb squad seat cover