Norton Roton Crighton (1994)
The Norton Roton Crighton (1994) motorcycle has a twin cylinder, rotary engine with a capacity of 588 cc and liquid cooling. It has a compression ratio of 10:1 and twin ~A36 mm Amal smoothbore carburetors. The ignition is Crighton “Hall Effect” capacitive discharge type and it can reach a maximum power of 112 kW/150 hp at 10000 rpm. The rear tyre power is 105.6 Nm / 10.8 kgf-m / 78 lbs-ft at 8500 rpm. It has a 20 plate hydraulically operated aluminium wet clutch and a 6-speed, close ratio transmission. The frame is a twin spar, triple section, aircraft specification extruded aluminium, and it is equipped with Whitepower upside-down, fully adjustable front forks and twin Whitepower rear dampers. The front brakes are twin cross-drilled ~A320 mm front discs with AP one piece 4 piston caliper while the rear brake is a single ~A190 mm cross-drilled rear disc with a twin-piston Brembo caliper. It has Dunlop radials for both front and rear tyres and magnesium alloy wheels. The dry weight of the motorcycle is 134 kg / 295 lbs.
Technical specifications:
Make Model: Norton Roton Crighton
Year: 1994
Engine: Twin cylinder, rotary
Capacity: 588 cc / 35.9 cu in
Cooling System: Liquid cooled
Compression Ratio: 10:1
Induction: Twin ~A36 mm Amal smoothbore carburetors
Ignition: Crighton “Hall Effect” capacitive discharge type
Max Power: 112 kW / 150 hp @ 10000 rpm
Rear Tyre Power: 105.6 Nm / 10.8 kgf-m / 78 lbs-ft @8500 rpm
Clutch: 20 Plate hydraulically operated aluminium wet clutch
Transmission: 6-Speed, close ratio
Frame: Twin spar, triple section, aircraft specification extruded aluminium
Front Suspension: Whitepower upside down, fully adjustable front forks.
Rear Suspension: Twin Whitepower rear dampers, adjustable ride height all round.
Front Brakes: Twin cross drilled ~A320 mm front discs with AP one piece 4 piston caliper
Rear Brakes: Single ~A190 mm cross drilled rear disc with twin piston Brembo caliper
Wheels: Magnesium alloy
Front Rim: 3.75 x 17 in
Rear Rim: 6.00 or 6.25 x 17 in
Front Tyre: Dunlop radials
Rear Tyre: Dunlop radials
Dry Weight: 134 kg / 295 lbs
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