2008 YFZ450R. mods:
athena 480cc big bore kit
trinity racing exhaust
custom open airbox w/velocity stack intake
k&n filter
jetted carb
trinity rev box
athena 98mm comp piston
40 tooth rear sprocket
elka +2 front swingarms
elka F+R long travel shocks
+4 extended rear axle
pro elite front push ba