Segment: Enduro/Offroad
Production years: 2010, 2011
The 2011 MY YZ450F is Yamaha's top off-road performer, a bike incorporating a lot of works-developed technologies and components. Built with the racing program experience, the YZ450F is a bike for true racers. It sports explosive power and incredible maneuverability, plus ergonomics specially formulated for competition use. The weight optimization brings everything closer to the center of the bike, into the newly-revised bilateral beam aluminium frame. The suspension is also all-new for this model year.
YAMAHA YZ450F 2010-2011
YAMAHA YZ450F 449
| engine specs | Type: | liquid-cooled DOHC 4-stroke; 4 titanium valves | Displacement: | 449 cm3 | Bore X Stroke: | 3.8x2.4 in OR 97 mm | Compression Ratio: | 12.5:1 | Horsepower: | -/- KW(hp)/RPM | Torque: | 0/- lb-ft/RPM OR 0 Nm/RPM | Fuel System: | Yamaha Fuel Injection (YFI), Keihin 44mm |
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| transmission specs | Gearbox: | 5-speed, manual | Clutch: | Multiplate wet clutch | Primary Drive: | - | Final Drive: | chain |
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| chassis specs | Frame: | bilateral beam aluminium | Front Suspension: | KYB Speed-Sensitive System, inverted fork: fully adjustable, 12.2-in travel | Rear Suspension: | KYB Fully adjustable single shock; 12.4-in travel | Front Brake: | Hydraulic single disc brake, 250mm | Rear Brake: | Hydraulic single disc brake, 245mm |
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| dimension specs | Overall Length: | 86.3 in OR 2192 mm | Overall Width: | 32.4 in OR 823 mm | Seat Height: | 39.3 in OR 998 mm | Wheelbase: | 58.7 in OR 1491 mm | Ground Clearance: | 15 in OR 381 mm | Weight: | 245 lbs OR 111 kg | Fuel Capacity: | 1.6 gallons OR 6.1 L |
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| tyres specs | Front: | 80/100-21-Dunlop 742FA | Rear: | 120/80-19-Dunlop 756 |
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