Attribute | Yamaha WR450F 2010 × | Yamaha YZ450F 60th Anniversary × |
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General | ||
Production from (year) | 2010 | 2016 |
Make | Yamaha | Yamaha |
Model | Yamaha WR450F | Yamaha YZ450F 60th Anniversary |
Category | Enduro / offroad | Cross / motocross |
Engine and transmission | ||
Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
Valves per cylinder | 5 | 4 |
Fuel system | Carburettor. Keihin® FCR 39 | Injection. Yamaha Fuel Injection (YFI), Keihin 44mm |
Engine details | - | Titanium valves |
Displacement (cm³) | 449 | 449.7 |
Cooling system | Liquid | Liquid |
Transmission type,final drive | Chain | Chain |
Bore (mm) | 95 | 97 |
Stroke (mm) | 63.4 | 60.8 |
Gearbox | 5-speed | 5-speed |
Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
Ignition | CDI | TCI: Transistor Controlled Ignition |
Clutch | - | Wet multi-disc |
Lubrication system | - | Wet sump |
Compression | 12.3:1 | 12.5:1 |
Exhaust system | - | Titanium Akrapovic muffler |
Chassis | ||
Front suspension | Inverted fork | Upside-down telescopic fork |
Rear suspension | Single shock | Monoshock, adjustable preload and rebound damping |
Front brakes | Single disc | Single disc. Hydraulic. |
Rear brakes | Single disc | Single disc. Hydraulic. |
Diameter (mm) | 245 | 245 |
Frame type | - | Aluminum Bilateral Beam frame |
Front tyre | 80/100-M21 | 80/100-21 |
Rear tyre | 110/90-M18 | 120/80-19 |
Seat | - | Long, two-tone, motocross-style seat |
Front wheel travel (mm) | 300 | 310 |
Rear wheel travel (mm) | 305 | 315 |
Trail (mm) | - | 118 |
Rake (fork angle) (degree) | - | 27.5 |
Other | ||
Starter | - | Kick |
Color options |
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Dimensions | ||
Wheelbase (mm) | 1,486 | 1,481 |
Kerb weight (kg) | 123.4 | 112 |
Overall height (mm) | 1,295 | 1,290 |
Overall length (mm) | 2,174 | 2,174 |
Overall width (mm) | 826 | 826 |
Seat height (mm) | 980 | 975 |
Ground clearance (mm) | 366 | 335 |
Performance | ||
Fuel capacity (l) | 7.94 | 7.57 |