Attribute | Yamaha YZ450F 2019 × | Yamaha YZ450F 60th Anniversary × |
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General | ||
Production from (year) | 2019 | 2016 |
Make | Yamaha | Yamaha |
Model | Yamaha YZ450F | Yamaha YZ450F 60th Anniversary |
Category | Cross / motocross | Cross / motocross |
Engine and transmission | ||
Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
Valves per cylinder | 4 | 4 |
Fuel system | Injection. Mikuni® fuel injection, 44mm | Injection. Yamaha Fuel Injection (YFI), Keihin 44mm |
Engine details | Titanium-valves | Titanium valves |
Displacement (cm³) | 449.7 | 449.7 |
Cooling system | Liquid | Liquid |
Transmission type,final drive | Chain | Chain |
Bore (mm) | 97 | 97 |
Stroke (mm) | 60.8 | 60.8 |
Gearbox | 5-speed | 5-speed |
Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
Ignition | TCI: Transistor Controlled Ignition | TCI: Transistor Controlled Ignition |
Clutch | Multiplate wet clutch | Wet multi-disc |
Lubrication system | Wet sump | Wet sump |
Compression | 12.8:1 | 12.5:1 |
Exhaust system | - | Titanium Akrapovic muffler |
Chassis | ||
Front suspension | KYB Speed-Sensitive System, inverted fork: fully adjustable | Upside-down telescopic fork |
Rear suspension | KYB® single shock; fully adjustable | Monoshock, adjustable preload and rebound damping |
Front brakes | Single disc. Hydraulic. | Single disc. Hydraulic. |
Rear brakes | Single disc. Hydraulic. | Single disc. Hydraulic. |
Diameter (mm) | 245 | 245 |
Frame type | Bilateral beam frame | Aluminum Bilateral Beam frame |
Front tyre | 80/100-21 | 80/100-21 |
Rear tyre | 120/80-19 | 120/80-19 |
Seat | Long, two-tone, motocross-style seat | Long, two-tone, motocross-style seat |
Wheels | Dunlop® MX3S® tyres | - |
Front wheel travel (mm) | 310 | 310 |
Rear wheel travel (mm) | 315 | 315 |
Trail (mm) | 119 | 118 |
Rake (fork angle) (degree) | 27.3 | 27.5 |
Other | ||
Starter | Electric | Kick |
Color options |
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Dimensions | ||
Wheelbase (mm) | 1,486 | 1,481 |
Kerb weight (kg) | 111.1 | 112 |
Overall height (mm) | 1,285 | 1,290 |
Overall length (mm) | 2,184 | 2,174 |
Overall width (mm) | 826 | 826 |
Seat height (mm) | 975 | 975 |
Ground clearance (mm) | 335 | 335 |
Performance | ||
Fuel capacity (l) | 6.06 | 7.57 |