| Attribute | Kawasaki KX 250 2005 × | Suzuki RM-Z 250 2006 × |
|---|---|---|
| General | ||
| Production from (year) | 2005 | 2006 |
| Make | Kawasaki | Suzuki |
| Model | Kawasaki KX 250 | Suzuki RM-Z 250 |
| Category | Cross / motocross | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Keihin PWK38S with Power Jet | Carburettor. Keihin |
| Displacement (cm³) | 249 | 249 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 66.4 | 77 |
| Stroke (mm) | 72 | 53.6 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | - | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | Digital CDI | Digital AC-CDI |
| Lubrication system | - | Semi-dry sump |
| Compression | 10.5:1 | 12.6:1 |
| Chassis | ||
| Front suspension | 48mm twin chamber inverted cartridge-type telescopic fork | Telescopic, cartridge-type, 16 compression and rebound settings, 11.8 inches, 300mm of wheel travel |
| Rear suspension | New UNI-TRAK® swingarm, single shock | Link-type, spring preload fully-adjustable, 16 compression and rebound settings, 310 of wheel travel |
| Front brakes | Single disc | - |
| Rear brakes | Single disc | - |
| Frame type | Perimeter style, high-tensile steel with aluminum subframe | - |
| Front tyre | 80/90-21 | 80/90-M21 |
| Rear tyre | 110/90-19 | 100/90-M19 |
| Rake (fork angle) (degree) | 26 | - |
| Other | ||
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,481 | 1,475 |
| Dry weight (kg) | 97 | 92 |
| Overall height (mm) | 1,265 | 1,270 |
| Overall length (mm) | 2,184 | 2,170 |
| Overall width (mm) | 841 | 840 |
| Seat height (mm) | 965 | 960 |
| Ground clearance (mm) | 340 | 340 |
| Performance | ||
| Fuel capacity (l) | - | 7.5 |