2011 Yamaha WR450F, GREEN STICKER, GREAT SHAPE READY FOR THE DESERT - THE TOUGHER THE TRAIL THE BETTER WR450F features a powerful and reliable highly evolved high-revving five-titanium-valve engine. YZ-bred advanced aluminum frame, push-button start, and digital enduro race computer with speedometer, clock, and tripmeter. WR450F is also green sticker approved from California.