| Attribute | Yamaha WR250F 2020 × | Yamaha YZ250FX 2020 × |
|---|---|---|
| General | ||
| Production from (year) | 2020 | 2020 |
| Make | Yamaha | Yamaha |
| Model | Yamaha WR250F | Yamaha YZ250FX |
| Category | Enduro / offroad | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | 4 |
| Fuel system | Injection. Mikuni Fuel Injection (YFI) Keihin® 44mm | Injection. Keihin® 44mm |
| Engine details | - | Titanium valves |
| Displacement (cm³) | 250 | 250 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 77 | 77 |
| Stroke (mm) | 53.6 | 53.6 |
| Gearbox | 6-speed | 6-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Driveline | O-ring chain | O-ring chain |
| Ignition | CDI | - |
| Clutch | Multiplate wet clutch | Multiplate wet clutch |
| Lubrication system | Wet sump | - |
| Compression | 13.8:1 | 13.8:1 |
| Chassis | ||
| Front suspension | KYB® spring-type fork with speed sensitive damping; fully adjustable | KYB® spring-type fork with speed sensitive damping; fully adjustable |
| Rear suspension | KYB® single shock; fully adjustable | KYB® single shock; full adjustable |
| Front brakes | Single disc. Hydraulic. | Single disc. Hydraulic. |
| Rear brakes | Single disc. Hydraulic. | Single disc. Hydraulic. |
| Diameter (mm) | 245 | 245 |
| Frame type | Aluminium, bilateral beam frame | Bilateral beam frame |
| Front tyre | 80/100-21 | 80/90-21 |
| Rear tyre | 110/100-18 | 110/100-18 |
| Wheels | Dunlop® MX3S® tyres | Dunlop® AT81F tyres |
| Front wheel travel (mm) | 310 | 310 |
| Rear wheel travel (mm) | 318 | 318 |
| Trail (mm) | 117 | 117 |
| Rake (fork angle) (degree) | 27.2 | 27.2 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,481 | 1,481 |
| Kerb weight (kg) | 115.2 | 111.1 |
| Overall height (mm) | 1,270 | 1,270 |
| Overall length (mm) | 2,174 | 2,174 |
| Overall width (mm) | 826 | 826 |
| Seat height (mm) | 965 | 955 |
| Ground clearance (mm) | 325 | 320 |
| Performance | ||
| Fuel capacity (l) | 8.33 | 8.33 |
| Oil capacity (l) | 1.1 | 1.5 |