Norton NRS 588 (1992-93)

The Norton NRS 588 motorcycle was produced between 1992-93 and features a twin rotor rotary engine with a capacity of 588 cc. The bike has a liquid cooling system, 9.2:1 compression ratio, and twin flat slide downdraught carburetors for induction. The ignition is triggered by a Norton reluctor, and the bike has electric starting. The NRS 588 produces a maximum power of 101 kW / 135 hp @ 9800 rpm and a maximum torque of 105.6 Nm / 10.77 kgf-m / 78 lb-ft @ 8000 rpm. The clutch is an 18-plate “wet” clutch using sintered bronze friction plates and diaphragm spring, and the transmission is a Norton six-speed constant mesh. The bike weighs 135 kg / 298 lbs and has a fabricated aluminum twin-spar frame designed by Ron Williams, fabricated by Harris Performance, and assembled by JPS Norton Racing. The suspension consists of White Power upside-down forks at the front and a multiple cantilever single shock at the rear. The front brakes have twin ~A310 mm discs with four-piston, one-piece Lockheed calipers, while the rear brake has a single ~A210 mm disc with a twin-piston Lockheed caliper. The NRS 588 has three-spoke magnesium wheels, with a 3.75 x 17″ front rim and a 6.00 x 17″ rear rim.


Technical specifications:

Make Model: Norton NRS 588

Year: 1992 – 93


Engine: Twin rotor rotary
Capacity: 588 cc / 35.9 cu in
Cooling System: Liquid cooled
Compression Ratio: 9.2:1
Exhaust: Two-into-one
Induction: Twin flat slide downdraught carburetors
Ignition: Norton reluctor triggered capacitor discharge
Starting: Electric
Max Power: 101 kW / 135 hp @ 9800 rpm
Max Torque: 105.6 Nm / 10.77 kgf-m / 78 lb-ft @ 8000 rpm
Clutch: 18 Plate “wet” clutch using sintered bronze friction plates and diaphragm spring
Transmission: Norton six speed, constant mesh
Frame: Fabricated aluminium twin spar, designed by Ron Williams, fabricated by Harris Performance and assembled by JPS Norton Racing
Front Suspension: White Power upside down forks
Rear Suspension: Multiple cantilever single shock

Front Brakes: Twin ~A310 mm front discs with four piston one piece Lockheed calipers
Rear Brakes: Single ~A210 mm rear disc with twin piston Lockheed caliper
Wheels: Three spoke magnesium
Front Rim: 3.75 x 17″
Rear Rim: 6.00 x 17″
Dry Weight: 135 kg / 298 lbs

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