1956 Norton Dominator 99 SS technical specifications

Technical specifications

Model: Dominator 99 SS
Years: 1956-62
Engine: Four stroke, parallel twin cylinder, OHV
Capacity: 596 cc / 36.4 cu in
Bore and Stroke: 68 x 82 mm
Compression Ratio: 7.4:1
Cooling System: Air cooled
Exhaust: Two into two, chrome
Induction: Amal 376 carburetor
Ignition: Coil
Starting: Kick
Maximum Power: 23.1 kW / 31 hp @ 6500 rpm
Transmission: 4-Speed
Final Drive: Chain
Frame: Single down-tube
Front Suspension: Telescopic fork
Rear Suspension: Swingarm with twin plungers
Wheels: Polished steel, laced spokes
Dry Weight: 179 kg / 395 lbs
Top Speed: 163 km/h / 101 mph

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