2010 YAMAHA YZ 450F, IN STOCK!!! WE DO NOT COLLECT SALES TAX!...2010 YAMAHA YZ450F, SO FORWARD THINKING, EVERYTHING ELSE SEEMS BACKWARDS. New bikes make some people stare. The revolutionary new YZ450F will have many gazing far into the future. By slanting the cylinder rearward and reversing the intake and exhaust ports, the YZ450F's mass is more centralized for amazing balance, unprecedented handling and cornering. The all-new Bilateral Beam frame and suspension offer fantastic feedback to the rider. Add fuel injection to the mix of these new innovations and you'll agree - backward is the right way forward.