| Attribute | Yamaha YZ250F 2012 × | Kawasaki KX 85 II × |
|---|---|---|
| General | ||
| Production from (year) | 2012 | 2019 |
| Make | Yamaha | Kawasaki |
| Model | Yamaha YZ250F | Kawasaki KX 85 II |
| Category | Cross / motocross | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Valves per cylinder | 5 | - |
| Fuel system | Carburettor. Keihin FCR MX39 | Carburettor. Keihin PWX20 |
| Engine details | Titanium valves | - |
| Displacement (cm³) | 250 | 84.6 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 77 | 48.5 |
| Stroke (mm) | 53.6 | 45.8 |
| Gearbox | 5-speed | - |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | - |
| Ignition | CDI | Digital |
| Clutch | Multiplate, wet | Wet multi-disc, manual |
| Lubrication system | Wet sump | - |
| Compression | 13.5:1 | 10.9:1 |
| Chassis | ||
| Front suspension | KYB Speed-Sensitive System, inverted fork: fully adjustable, 11.8-in travel | Inverted telescopic fork |
| Rear suspension | KYB Fully adjustable single shock | Bottom-Link Uni-Trak with adjustable spring preload, 24-way compression and 21-way rebound |
| Front brakes | Single disc. Hydraulic | Single disc |
| Rear brakes | Single disc. Hydraulic | Single disc |
| Diameter (mm) | 245 | 184 |
| Frame type | - | Perimeter, aluminium |
| Front tyre | 80/100-21 | 70/100-19 |
| Rear tyre | 100/90-19 | 90/100-16 |
| Rear wheel travel (mm) | 318 | 275 |
| Other | ||
| Starter | Electric | Kick |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,476 | 1,310 |
| Kerb weight (kg) | 103 | 77 |
| Overall height (mm) | 1,306 | 1,150 |
| Overall length (mm) | 2,169 | 1,920 |
| Overall width (mm) | 826 | 765 |
| Seat height (mm) | 991 | 870 |
| Ground clearance (mm) | 378 | 330 |
| Performance | ||
| Fuel capacity (l) | 6.06 | 5 |