2012 YAMAHA WR450F, For 2012, The Ultimate Trail Machine Is Now Fuel-Injected. The best just got even better. The new WR450F features a powerful and reliable high-revving five-titanium-valve engine with new fuel injection, YZ-bred advanced aluminum frame, latest generation YZ forks and shock, and new slim bodywork with updated headlight design gives the WR450F an aggressive, tough appearance. Plus it's green sticker approved for California. Key Features A YZ-bred advanced aluminum frame carefully engineered from castings, forgings and extrusions enhances handling while retaining legendary Yamaha feel and characteristics. Highly evolved five-titanium-valved engine starts with the push of a button. Highly functional digital enduro computer offers speedometer, clock, tripmeter, etc., in basic mode or pace management functions such as timer, distance-compensating tripmeter, average speed, etc., when switched to race mode. The WR450F is green sticker approved for California.