The Norton Dominator 99 is a classic motorcycle model from 1961. It features a four-stroke, twin-cylinder engine with two valves per cylinder operated by pushrods, and has a capacity of 497 cc. The bike has a compression ratio of 8.5:1 and is air-cooled. The induction system includes two Amal Monobloc 11/16 in bore carburettors, while the starting mechanism is a kick-start. At its peak, the bike generates 26.8 kW / 36 hp at 7000 rpm. The Norton Dominator 99 has a four-speed transmission and a chain final drive. Its frame is a full duplex cradle ‘Featherbed’ type. The front suspension consists of telescopic forks with coil springs, while the rear suspension is a swinging arm with adjustable, three-position hydraulically damped Girling units. It also features drum brakes on both the front and rear wheels. The bike weighs 185kg/408lbs and can reach a top speed of 177 km/h / 110 mph. The Norton Dominator 99 is considered to be a classic motorcycle model because of its quality performance and sleek design.
Technical specifications:
Make Model: Norton Dominator 88 SS
| Year | 1961 |
|---|---|
| Engine | Four-stroke, twin-cylinder, two valves per cylinder operated by pushrods |
| Capacity | 497 cc / 30.3 cu in |
| Bore x Stroke | 66 x 73 mm |
| Compression Ratio | 8.5:1 |
| Cooling System | Air cooled |
| Induction | 2 x Amal Monobloc 11/16 in bore carburettors |
| Starting | Kick |
| Max Power | 26.8 kW / 36 hp @ 7000 rpm |
| Transmission | 4 Speed |
| Final Drive | Chain |
| Frame | Full duplex cradle ‘Featherbed’ type |
| Front Suspension | Telescopic forks with coil springs |
| Rear Suspension | Swinging arm with adjustable, three position hydraulically damped Girling units |
| Front Brakes | Drum, ~A203 mm / ~A8 in |
| Rear Brakes | Drum, ~A178 mm / ~A7 in |
| Wet-Weight | 185 kg / 408lb |
| Top Speed | 177 km/h / 110 mph |