2012 Yamaha WR450F, FOR 2012, THE ULTIMATE TRAIL MLACHINE IS NOW FUEL-INJECTEDThe best just got even better. The new WR450F features a powerful and reliable high-revving five-titanium-valve engine with a new fuel injection, YZ-bred advanced aluminum frame, latest generation YZ forks and shock, and new slim bodywork with updated head-light design gives the WR450F an aggressive, tough appearance. Plus it's green sticker approved for California. Available from March 2012