The Kawasaki S1 250SS MKI was a two-stroke motorcycle produced from 1972 to 1973. It had a transverse three-cylinder engine with a capacity of 249cc and a compression ratio of 7.3:1. The bike had 3x Mikuni VM22SC, 22 mm carburetors and was air-cooled. It had a kick start and a battery and coil ignition system. The motorcycle could produce a maximum power output of 32 hp at 8,500 rpm and maximum torque of 2.54 m-kg at 7,000 rpm. The bike had a 5-speed transmission and a chain final drive. The frame was made of double tubular steel cradle and the suspension consisted of telescopic hydraulic forks in the front and dual shocks and a swing arm in the rear. The bike had 180mm drum brakes both in the front and rear, and had 3.00-18 and 3.25-18 tires in the front and rear respectively. The rake was 28 degrees and the trail was 110 mm/4.3 in. The motorcycle was 2020mm long, 820mm wide, and had a wheelbase of 1585mm. The ground clearance was 175mm and the dry weight was 149.5 kg. The fuel capacity was 15 liters.
Technical specifications:
Make Model: Kawasaki S1 250SS MKI
| Year | 1972 – 73 |
|---|---|
| Engine | Two stroke, transverse three cylinder, |
| Capacity | 249 cc / 15.2 cu-in |
| Bore x Stroke | 45 x 52.3mm |
| Cooling System | Air cooled |
| Compression Ratio | 7,3:1 |
| Induction | 3x Mikuni VM22SC, 22 mm carburetor |
| Ignition | Battery and coil |
| Starting | Kick |
| Max Power | 32 hp / 23.8 kW @ 8 500 rpm |
| Max Torque | 2.54 m-kg / 18.3 lb-ft @ 7 000 rpm |
| Transmission | 5 Speed |
| Final Drive | Chain |
| Frame | Double tubular steel cradle |
| Front Suspension | Telescopic hydraulic forks |
| Rear Suspension | Dual shocks, Swing arm |
| Front Brakes | 180mm Drum |
| Rear Brakes | 180mm Drum |
| Front Tyre | 3.00 -18 |
| Rear Tyre | 3.25 -18 |
| Rake | 28 degrees |
| Trail | 110 mm / 4.3 in |
| Dimensions | Length 2020 mm / 79.5 in Width 820 mm / 32.3 in |
| Wheelbase | 1585 mm / 62.4 in |
| Ground Clearance | 175 mm / 6.9 in |
| Dry Weight | 149.5 kg / 326 lbs |
| Wet Weight | 160 kg / 348 lbs |
| Fuel Capacity | 15 Litres / 3.9 US gal |
