These are the known mechanical and performance specifications for your 2011 Yamaha YZ450F.
CostUS$ 8250. Euro 8495. Prices depend on country, taxes, accessories, etc.
Displacement449.00 ccm (27.40 cubic inches)
DetailsSingle cylinder, four-stroke
Bore/Stroke97.0 x 60.8 mm (3.8 x 2.4 inches)
FuelingInjection. Yamaha Fuel Injection (YFI), Keihin 44mm
Fuel Economy & Polution
Fuel Capacity6.17 litres (1.63 gallons)
Front SuspensionKYB Speed-Sensitive System, inverted fork: fully adjustable, 12.2-in travel
Rear SuspensionKYB Fully adjustable single shock
Rear Travel315 mm (12.4 inches)
Seat Height998 mm (39.3 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,311 mm (51.6 inches)
Total Length2,192 mm (86.3 inches)
Total Width823 mm (32.4 inches)
Ground Clearance381 mm (15.0 inches)
Wheelbase1,491 mm (58.7 inches)
Wet Weight111.1 kg (245.0 pounds)
Wheels & Brakes
Front BrakesSingle disc
Front Brake Diameter250 mm (9.8 inches)
Rear BrakesSingle disc
Rear Brake Diameter245 mm (9.6 inches)
It appears you're interested in specifications for the Yamaha YZ450F. This Cross / motocross model is powered by a Titanium valves Single cylinder, four-stroke engine with 449.00 ccm (27.40 cubic inches) of actual displacement before 12.5:1 compression. Fueling is metered via Injection. Yamaha Fuel Injection (YFI), Keihin 44mm allowing this machine to produce its horsepower and torque. According to our records engine heat of the Yamaha YZ450F is moderated by Liquid. You'll need to get familiar with the 5-speed transmission and pay attention to final drive Chain maintainence. Our best information shows that the front tire size is 80/100-21 and the rear is 120/80-19 . The entire package is supported by the frame, . We know you like to go fast or cruise all day, but when you need to stop, you'll be dependant on Single disc front brakes and Single disc rear brakes. The Yamaha YZ450F was launched in 2011, and we're happy to know (or assume) you've got one in your garage. To help you keep your ride in tip-top shape, consider purchasing an owner or service manual.