( this is a 2007 yfz450 black and red special edtion with nerf bars, dg pipe, k&n, filter w/quad works cover, bigger dyno jet in the carb was recently re jetted cleaned after every ride pro taper bars quad talks for it self i smoke raptor 700s oil changed every three rides w/filter no motor work or any bore kits JUST RECENTLY FOUND THE TILE IN HAND Key words