Comparison of Suzuki RM-Z450 2020 and Yamaha YZ250F 2014 [S]ave
| Attribute |  Suzuki RM-Z450 2020 × |  Yamaha YZ250F 2014 × |
|---|---|---|
| General | ||
| Production from (year) | 2020 | 2014 |
| Make | Suzuki | Yamaha |
| Model | Suzuki RM-Z450 | Yamaha YZ250F |
| 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 | Carburettor. Keihin FCR MX39 |
| Engine details | Aluminum cylinder with Suzuki Composite Electrochemical Material (SCEM) coating | Titanium-valves |
| Displacement (cm³) | 449 | 250 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 96 | 77 |
| Stroke (mm) | 62.1 | 53.6 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Driveline | Chain, DID520MXV4, 114 links | - |
| Ignition | Electronic ignition | CDI |
| Clutch | Wet, multi-plate rack-and-pinion clutch | - |
| Lubrication system | Semi-dry sump | - |
| Compression | 12.5:1 | 13.5:1 |
| Chassis | ||
| Front suspension | Showa inverted telescopic, coil spring, oil damped, adjustable damping force | KYB Speed-Sensitive System, inverted fork: fully adjustable, 11.8-in travel |
| Rear suspension | Showa BFRC - link type, coil spring, oil damped, adjustable spring preload and damping force | KYB Fully adjustable single shock |
| Front brakes | Single disc | Single disc. Hydraulic disc. Hydraulic disc. |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 270 | 245 |
| Frame type | Aluminum alloy, twin-spar | Aluminum Bilateral Beam frame |
| Front tyre | 80/100-21 | - |
| Rear tyre | 110/90-19 | 100/90-19 |
| Wheels | Black anodized rims with a cross-section. Bridgestone X30 tires. | - |
| Rear wheel travel (mm) | 310 | 318 |
| Rake (fork angle) (degree) | - | 28 |
| Other | ||
| Starter | Kick | Electric |
| Color options |
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|
| Dimensions | ||
| Wheelbase (mm) | 1,480 | 1,476 |
| Kerb weight (kg) | 112 | 103 |
| Overall height (mm) | 1,260 | 1,306 |
| Overall length (mm) | 2,175 | 2,169 |
| Overall width (mm) | 835 | 826 |
| Seat height (mm) | 960 | 991 |
| Ground clearance (mm) | 330 | 378 |
| Performance | ||
| Fuel capacity (l) | 6.3 | 6.06 |
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