Comparison of Kawasaki KX450 2019 and Yamaha YZ450F 2010 [S]ave
| Attribute |  Yamaha YZ450F 2010 × |  Kawasaki KX450 2019 × |
|---|---|---|
| General | ||
| Production from (year) | 2010 | 2019 |
| Make | Yamaha | Kawasaki |
| Model | Yamaha YZ450F | Kawasaki KX450 |
| Category | Cross / motocross | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | - |
| Fuel system | Injection. Fuel Injection (FI), Keihin® 44mm | Injection |
| Displacement (cm³) | 449 | 449 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 97 | 96 |
| Stroke (mm) | 60.8 | 62 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | TCI | Digital |
| Clutch | - | Wet multi-disc, manual |
| Compression | 12.5:1 | 12.5:1 |
| Chassis | ||
| 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 brakes | Single disc | Single disc. Semi-floating petal discs |
| Rear brakes | Single disc | Single disc. Single-piston caliper. |
| Diameter (mm) | 245 | 250 |
| Frame type | - | Perimeter, aluminium |
| Front tyre | 80/100-21 | 80/100-21 |
| Rear tyre | 120/80-19 | 120/80-19 |
| Other | ||
| Starter | - | Electric |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,491 | 1,485 |
| Kerb weight (kg) | 111.1 | 110 |
| Overall height (mm) | 1,311 | 1,275 |
| Overall length (mm) | 2,192 | 2,185 |
| Overall width (mm) | 823 | 830 |
| Seat height (mm) | 998 | 955 |
| Ground clearance (mm) | 381 | 340 |
| Performance | ||
| Fuel capacity (l) | 6.05 | 6.2 |
Help · Contact us · Disclaimer · Contributors · Developers · Donate