2011 Yamaha YZ450F Specifications and Pictures
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Yamaha YZ450F’s rearward-slanted cylinder is a revolutionary advancement that achieves unmatched mass centralization, concentrating inertial mass toward the center of the machine. This bold design also swaps traditional intake and exhaust positions, putting the lightweight airbox and throttle body out front. This contributes to mass centralization for nimble handling while also achieving a straight intake tract for superb combustion efficiency that delivers more power.
2011 Yamaha YZ450F Specifications
| Year | 2011 |
| Manufacturer | Yamaha |
| Model | YZ450F |
| Engine Type | DOHC 4-stroke; 4 titanium valves |
| Engine Displacement | 449cc |
| Bore & Stroke | 97.0 mm x 60.8 mm |
| Compression Ratio | 12.5:1 |
| Cooling | Liquid-Cooled |
| Fuel System | Yamaha Fuel Injection (YFI), Keihin 44mm |
| Ignition | CDI |
| Starting System | NA |
| Transmission | Constant-mesh 5-speed; multiplate wet clutch |
| Final Drive | Chain Drive |
| Rake and Trail | NA |
| Wheel Base | 58.7 in. |
| Seat Height | 39.3 in. |
| 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 |
| Front Tire | 80/100-21-Dunlop® D-742FA |
| Rear Tire | 120/80-19-Dunlop® D-756 |
| Fuel Capacity | 1.63 gal. |
| Dry Weight | 245 lbs. (Wet) |
| MSRP | $8,150 |
2011 Yamaha YZ450F Pictures
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