| MODEL | KAWASAKI KR-1S 1990 |
| Year | 1990 |
| Engine Type | Two stroke, parallel twin cylinder, KIPS electronic variable exhaust valve |
| Displacement / Capacity | 249 cc / 15.2 cu in |
| Bore X Stroke | 56.0 x 50.6 mm |
| Compression Ratio | 7.4:1 |
| Cooling System | Liquid cooled |
| Max Power | 59.1 hp / 43.2 kW @ 10500 rpm |
| Max Torque | 40.2 Nm / 4.1 kgf-m @ 10500 rpm |
| Ignition | Capacitor discharge |
| Induction | 2x 28mm Keihin PWK carburetor |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | — |
| Gear Box | 6 Speed |
| Clutch | — |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Tubular diamond, aluminium extruded E-Box frame |
| Front Suspension | 41mm stanchions, air assisted telescopic fork with unstepped preload adjustment |
| Rear Suspension | Bottom Link Uni-Trak with air adjustable gas shock, unstepped preload, four-way rebound damping |
| Front Brakes | 2x discs, 4 piston calipers |
| Rear Brakes | Single disc, 2 piston caliper |
| DIMENSION SPECS | |
| Overall Length | 2,015 mm / 79.3 in |
| Overall Width | 695 mm / 27.4 in |
| Overall Height | 1,365 mm / 53.7 in |
| Seat Height | 755 mm / 29.7 in |
| Wheelbase | 1365 mm / 53.7 in |
| Ground Clearance | — |
| Dry Weight | 131 kg / 288.8 lbs |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 100/70 VR17 |
| Rear Tyre | 130/60 VR18 |
| FUEL SYSTEM | |
| Fuel Capacity | 16.0 Litres / 4.2 gal |
| Fuel Consumption | 36 mpg (average) |
| Top Speed | 135.3 mph / 217.7 km/h |
The KR-1S is the revised version of the KR-1 two-stroke twin, adding KIPS electronic variable exhaust valve control and an aluminium extruded E-Box frame. Its power rises to 59.1 hp at 10500 rpm, and the motorcyclespecs page lists 135.3 mph as the top speed and 36 mpg as average consumption. The page treats it as a road-legal race-replica style machine.
