| Attribute | Kawasaki KX 250F 2015 × | Yamaha WR125 X 2014 × |
|---|---|---|
| General | ||
| Production from (year) | 2015 | 2014 |
| Make | Kawasaki | Yamaha |
| Model | Kawasaki KX 250F | Yamaha WR125 X |
| Category | Cross / motocross | Super motard |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | 4 |
| Fuel system | Injection. DFI with 43mm Keihin throttle body and dual injectors | Injection. EFI |
| Engine details | - | Forward-inclined single cylinder |
| Displacement (cm³) | 249 | 124.7 |
| Power (kw) | - | 10.9 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | - | 12.2 |
| Bore (mm) | 77 | 52 |
| Stroke (mm) | 53.6 | 58.6 |
| Gearbox | 5-speed | 6-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | Single Overhead Cams (SOHC) |
| Ignition | Digital DC-CDI | TCI (digital) |
| Clutch | - | Wet, multipate |
| Lubrication system | - | Wet sump |
| Compression | 13.8:1 | 11.2:1 |
| Chassis | ||
| Front suspension | 48mm inverted Showa SFF telescopic fork with 40-way spring preload adjustability and 22 position compression and 20 position rebound damping adjustabi | Telescopic forks |
| Rear suspension | Uni-Trak linkage system and Showa shock with 9 position low-speed and stepless high-speed compression damping | Swingarm, link suspension, monoshock |
| Front brakes | Single disc. Petal disc with 2-piston caliper | Single disc |
| Rear brakes | Single disc. Petal disc with single-piston caliper | Single disc |
| Diameter (mm) | 240 | 220 |
| Frame type | Aluminum perimeter | Steel double cradle |
| Front tyre | 80/100-21 | 110/70-17 |
| Rear tyre | 100/90-19 | 140/70-17 |
| Front wheel travel (mm) | 315 | 210 |
| Rear wheel travel (mm) | 310 | 230 |
| Trail (mm) | 127 | 79 |
| Rake (fork angle) (degree) | 28.7 | 25 |
| Other | ||
| Starter | - | Electric |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,476 | 1,430 |
| Kerb weight (kg) | 106 | 137 |
| Overall length (mm) | 2,169 | 2,095 |
| Seat height (mm) | 945 | 920 |
| Ground clearance (mm) | 330 | 255 |
| Performance | ||
| Fuel capacity (l) | 6.09 | 8.5 |
| Oil capacity (l) | - | 1.2 |