Norton Commandrr (1991)

The Norton Commander Rotary was a motorcycle produced in 1991. It had a twin chamber rotary engine with a capacity of 588cc and a compression ratio of 9.0:1. The bike was liquid cooled and had 2x ~A38mm CV SUH14 carburetors for induction, as well as electric starting. Its maximum power was 63.4 kW / 85 hp @ 9000 rpm, with maximum torque of 75.3 Nm / 7.7 kgf-m / 55.6 lb-ft @ 7000 rpm. The Commander had a 5-speed transmission and chain final drive, and a front suspension of ~A38mm telescopic forks and rear suspension of twin Koni with preload adjust. The front brakes included 2 x ~A265mm discs and the rear brake had one single ~A265mm disc. The Commander had a fuel capacity of 23L / 6.1 US gal and an average fuel consumption of 5.8 L/100 km / 17.2 km/l / 40.6 US mpg. It had a dry weight / wet weight of 235 kg / 518 lbs. Its standing 1/4 mile was 13.2 sec / 159.3 km/h / 99 mph, with a top speed of 181.4 km/h / 112.7 mph.

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Technical specifications:

Make Model: Norton Commander Rotary

Year: 1991

Engine: Twin chamber rotary

Capacity: 588 cc / 35.9 cu in

Compression Ratio: 9.0:1

Cooling System: Liquid cooled

Induction: 2 x ~A38mm CV SUH14 carburetors

Starting: Electric

Max Power: 63.4 kW / 85 hp @ 9000 rpm

Max Torque: 75.3 Nm / 7.7 kgf-m / 55.6 lb-ft @ 7000 rpm

Transmission: 5 Speed

Final Drive: Chain

Front Suspension: ~A38 mm Telescopic forks

Rear Suspension: Twin Koni with preload adjust

Front Brakes: 2 x ~A265 mm discs

Rear Brakes: Single ~A265 mm disc

Front Tyre: 100/90 V18

Rear Tyre: 110/90 V18

Dry-Weight / Wet-weight: 235 kg / 518 lbs

Fuel Capacity: 23 L / 6.1 US gal

Consumption average: 5.8 L/100 km / 17.2 km/l / 40.6 US mpg

Standing 1/4 Mile: 13.2 sec / 159.3 km/h / 99 mph

Top Speed: 181.4 km/h / 112.7 mph