| MODEL | KAWASAKI KDX 250 1981 - 1982 |
| Year | 1981 - 1982 |
| Engine Type | Two stroke, single cylinder, reed valve |
| Displacement / Capacity | 249 cc / 15.2 cu-in |
| Bore X Stroke | 70 x 64.9 mm |
| Compression Ratio | 8.2:1 |
| Cooling System | Air cooled |
| Max Power | 33 hp / 24.6 kW @ 7000 rpm |
| Max Torque | 3.5 kgf-m @ 6500 rpm |
| Ignition | CDI |
| Induction | 36mm Mikuni carburetor |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 Speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | — |
| Front Suspension | Telescopic forks |
| Rear Suspension | Mono shock |
| Front Brakes | Drum |
| Rear Brakes | Drum |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | — |
| Overall Height | — |
| Seat Height | 935 mm / 36.8 in |
| Wheelbase | 1475 mm / 58.0 in |
| Ground Clearance | — |
| Dry Weight | 111 kg / 245 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 3.00-21 |
| Rear Tyre | 5.10-18 |
| FUEL SYSTEM | |
| Fuel Capacity | 12.5 Litres / 3.3 US gal |
| Fuel Consumption | — |
| Top Speed | — |
An early air-cooled KDX 250, a 249 cc single-cylinder two-stroke off-road bike with telescopic forks, a mono-shock rear and drum brakes at both ends. It predates the liquid-cooled KDX 250R of 1990 and is one of the simplest machines in the KDX 250 family.
