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Norton Dominator 99 SS
1957
1957
The 1957 Norton Dominator 99 SS represents a high point in British motorcycle engineering of its era. As a sporting variant of the already respected Dominator 99, the SS model aimed for enhanced performance and aesthetics. This machine entered a market fiercely contested by other manufacturers, with the Triumph Tiger 110 being a direct competitor, offering similar performance and handling characteristics for discerning riders.
At the heart of the Dominator 99 SS lies its 596.0 ccm (36.37 cubic inches) parallel-twin, four-stroke engine. This powerplant generates a respectable 31.0 HP (22.6 kW) at 6500 RPM, enabling a top speed of 163.0 km/h (101.3 mph). The fuel tank holds 16.00 litres (4.23 US gallons), providing a reasonable range for longer rides. The engine's design focused on reliability and usable power, characteristics valued by riders of the time. The seat height is 787 mm (31.0 inches), making it accessible to a wide range of rider sizes.
Riding the Dominator 99 SS offers a classic British motorcycle experience. The upright riding position provides good visibility and control, suitable for both short trips and longer journeys. While not explicitly track-focused, the handling is responsive and predictable, inspiring confidence on winding roads. The suspension, while basic by modern standards, absorbs bumps adequately for a comfortable ride. The machine's sound is characteristic of a British twin, providing an auditory experience that complements the riding experience.
The 1957 Norton Dominator 99 SS appealed to riders seeking a stylish and capable motorcycle with sporting pretensions. Its performance and handling made it suitable for spirited riding. It is a machine sought after by collectors and enthusiasts who appreciate classic British motorcycles and the history they represent. The Norton Dominator 99 SS represents a snapshot of a time when British engineering dominated the motorcycle world.
✅ Why buy this bike?
• Exceptional handling due to the legendary 'Featherbed' frame, providing confidence-inspiring cornering and stability. • Powerful and torquey 600cc parallel-twin engine delivers strong acceleration and ample power for both city and open road riding. • Stylish and iconic design, featuring a sporty riding position and classic British motorcycle aesthetics, making it visually appealing. • Relatively lightweight compared to other bikes of the era, contributing to its agility and ease of maneuverability, enhancing the riding experience. • Good brakes for its time, offering adequate stopping power, especially when properly maintained and adjusted. • Relatively simple mechanical design makes it easier to maintain and repair compared to more complex modern motorcycles.⚠️ Things to consider
• Lucas electrical system is notoriously unreliable, prone to faults and requiring frequent maintenance or upgrades for consistent performance. • Vibration can be significant, especially at higher RPMs, potentially leading to rider fatigue on longer journeys. • Original Amal carburetors can be finicky and require careful tuning for optimal performance and fuel economy. • Spare parts can be difficult to source and expensive, increasing the cost of ownership and maintenance. • The 6-volt electrical system is weak by modern standards, providing limited power for lighting and other accessories.The Norton Dominator 99 SS produces 31 HP, fitting A2 license limits (max 35 kW / 47 HP). For riders 18+.
Estimated average for 596cc class: 45-60 mpg (4.0-5.5 L/100km)
⛽ Tank: 16.00 litres (4.23 US gallons)
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