Kawasaki KR-1S (1990)

The Kawasaki KR1S is a motorcycle model from 1990 with a two stroke, parallel twin cylinder engine and electronic variable exhaust valve equipment. Its engine capacity is 249cc and it has a compression ratio of 7.4:1. The bike is equipped with 2x 28mm Keihin PWK carburetors and a capacitor discharge ignition. The motorcycle has a kick start and a maximum power of 59.1 hp at 10500 rpm and max torque of 40.2 Nm at 10500 rpm. The KR1S has a 6-speed transmission with a chain final drive, and a tubular diamond, aluminum extruded E-Box frame. Its front suspension has 41mm stanchions with air-assisted telescopic fork and unstepped preload adjustment, while its rear suspension is bottom link Uni-Trak with air adjustable gas shock, unstepped preload, and four-way rebound damping. The front brakes are 2x discs with 4 piston calipers and the rear brake is a single disc with a 2 piston caliper. The motorcycle has a 100/70 VR17 front tire and a 130/60 VR18 rear tire. It has a rake of 24.0 degrees, a trail of 90 mm, and its dimensions are height 1,365 mm, length 2,015 mm, width 695 mm, and wheelbase of 1365 mm. The seat height is 755 mm and dry weight is 131 kg. The fuel capacity is 16.0 liters and the average consumption is 36 mpg. The standing 1/4 mile is completed in 12.9 sec with a speed of 108 mph (173.8 km/h) and the top speed is 135.3 mph (217.7 km/h).

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Technical specifications:

Make Model: Kawasaki KR1S

Year: 1990

Engine: Ttwo stroke, parallel twin cylinder, Electronic variable exhaust valve ( KIPS ) equipment

Capacity: 249 cc / 15.2 cu-in

Bore x Stroke: 56.0 x 50.6 mm

Cooling System: Liquid cooled

Compression Ratio: 7.4:1

Induction: 2x 28mm Keihin PWK carburetor

Ignition: Capacitor discharge

Starting: Kick

Max Power: 59.1 hp / 43.2 kW) @ 10500 rpm

Max Torque: 40.2 Nm / 4.1 kgf-m @ 10500 rpm

Transmission: 6 Speed

Final Drive: Chain

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, and four-way rebound damping

Front Brakes: 2x discs 4 piston calipers

Rear Brakes: Single disc 2 piston caliper

Front Tyre: 100/70 VR17

Rear Tyre: 130/60 VR18

Rake: 24.0 degrees

Trail: 90 mm / 3.5 in

Dimensions: Height 1,365 mm / 53.7 in Length 2,015 mm / 79.3 in Width 695 mm / 27.4 in

Wheelbase: 1365 mm / 53.7 in

Seat Height: 755 mm / 29.7 in

Dry Weight: 131 kg / 288.8 lbs

Fuel Capacity: 16.0 Litres / 4.2 gal

Consumption Average: 36 mpg

Standing 1/4 Mile: 12.9 sec / 108 mph 173.8 km/h

Top Speed: 135.3 mph / 217.7 km/h