Attribute | Yamaha YZ 450 F 2007 × | Kawasaki KX450X × |
---|---|---|
General | ||
Production from (year) | 2007 | 2021 |
Make | Yamaha | Kawasaki |
Model | Yamaha YZ 450 F | Kawasaki KX450X |
Category | Cross / motocross | Cross / motocross |
Engine and transmission | ||
Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
Fuel system | Carburettor | Injection. DFI® with 44mm Keihin throttle body |
Displacement (cm³) | 449 | 449 |
Cooling system | Liquid | Liquid |
Transmission type,final drive | Chain | Chain |
Bore (mm) | 95 | 96 |
Stroke (mm) | 63.4 | 62 |
Gearbox | 5-speed | 5-speed |
Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
Ignition | Digital CDI | Digital CDI with 3 Coupler Options |
Clutch | - | Wet multi-disc, manual |
Compression | 12.3:1 | 12.5:1 |
Chassis | ||
Front suspension | Telescopic Fork, coil spring/oil damper | 49mm inverted telescopic coil-spring fork with 16-way compression damping and 16-way rebound damping |
Rear suspension | Swingarm (link, suspension), coil spring/gas-oil damper, | Uni-Trak® gas charged shock with piggyback reservoir with dual-range (4 turns stepless high speed/19-way low-speed) compression damping |
Front brakes | Single disc | Single disc. Semi-floating petal discs |
Rear brakes | Single disc | Single disc. Single-piston caliper. |
Diameter (mm) | 245 | 250 |
Frame type | Wet multi-plate | Aluminum perimeter |
Front tyre | 80/80-M21 | 80/100-21 |
Rear tyre | 110/90-M19 | 120/80-18 |
Front wheel travel (mm) | 300 | 305 |
Rear wheel travel (mm) | 315 | 307 |
Trail (mm) | - | 119 |
Rake (fork angle) (degree) | - | 27.6 |
Other | ||
Starter | - | Electric |
Color options | - |
|
Dimensions | ||
Wheelbase (mm) | 1,494 | 1,485 |
Dry weight (kg) | 99 | 107 |
Overall height (mm) | 1,306 | 1,265 |
Overall length (mm) | 2,192 | 2,185 |
Overall width (mm) | 826 | 820 |
Seat height (mm) | 988 | 950 |
Ground clearance (mm) | 373 | 335 |
Performance | ||
Fuel capacity (l) | 6.81 | 6.2 |