Comparison of Kawasaki KX 450F Leo Vince and Yamaha YZ450F 2018 [S]ave
| Attribute |  Yamaha YZ450F 2018 × |  Kawasaki KX 450F Leo Vince × |
|---|---|---|
| General | ||
| Production from (year) | 2018 | 2012 |
| Make | Yamaha | Kawasaki |
| Model | Yamaha YZ450F | Kawasaki KX 450F Leo Vince |
| 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 | Carburettor. 43mm Keihin throttle body |
| Engine details | Titanium-valves | - |
| Displacement (cm³) | 449.7 | 449 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 97 | 96 |
| Stroke (mm) | 60.8 | 62.1 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | TCI: Transistor Controlled Ignition | Digital DC-CDI |
| Clutch | Multiplate wet clutch | - |
| Lubrication system | Wet sump | - |
| Compression | 12.5:1 | 12.5:1 |
| Chassis | ||
| Front suspension | KYB Speed-Sensitive System, inverted fork: fully adjustable | 48 mm upside-down AOS-type telescopic fork Compression damping: 22-way Rebound damping: 20-way |
| Rear suspension | KYB® single shock; fully adjustable | Uni-Trak Compression damping: 22-way (low-speed), 2-turns or more (high-speed) Rebound damping: 22-way Spring preload: Fully adjustable |
| Front brakes | Single disc. Hydraulic. | Single disc. Dual-piston |
| Rear brakes | Single disc. Hydraulic. | Single disc |
| Diameter (mm) | 245 | 240 |
| Frame type | Bilateral beam frame | Perimeter, aluminium |
| Front tyre | 80/100-21 | 90/100-21 |
| Rear tyre | 120/80-19 | 120/80-19 |
| Seat | Long, two-tone, motocross-style seat | - |
| Wheels | Dunlop® MX3S® tyres | - |
| Front wheel travel (mm) | 310 | 314 |
| Rear wheel travel (mm) | 315 | 315 |
| Trail (mm) | 119 | 113 |
| Rake (fork angle) (degree) | 27.3 | 26.7 |
| Other | ||
| Starter | Electric | Kick |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,481 | 1,481 |
| Kerb weight (kg) | 111.1 | 113 |
| Overall height (mm) | 1,290 | 1,280 |
| Overall length (mm) | 2,174 | 2,184 |
| Overall width (mm) | 826 | 820 |
| Seat height (mm) | 975 | 960 |
| Ground clearance (mm) | 335 | 335 |
| Performance | ||
| Fuel capacity (l) | 7.57 | 6.2 |
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