The second 588cc rotary engined Norton race bike, used throughout the 89, 90 and 91 season.

The RCW588 was superceded by the NRS588 in 1991.

RCW588 Technical Specification

Engine: Liquid pressure cooled twin-rotor rotary

Displacement: 588cc

Compression ratio: 9.2:1

Carburation: Twin amal smoothbores

Ignition: Norton "hall effect" triggered capacitor discharge

Gearbox: Five speed, constant mesh

Clutch: 20 plate "wet" clutch using sintered bronze friction plates and diaphragm spring

Power Output: More than 135 bhp at 9,800 rpm at shaft

Maximum torque: 77 lbs / ft at 8,000 rpm

Frame: Spondon twin spar aluminium

Brakes: Twin 320 mm front discs with four piston Lockheed calipers.  Single 220 mm rear disc with twin piston Brembo caliper

Wheels: 3.5 x 17 three-spoke magnesium Dymag front wheel.  5.5 x 18 three-spoke magnesium rear wheel

Tyres: Dunlop radials

Weight: Less than 145 kgs