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Norton Dominator 99 SS
1956
1956
The 1956 Norton Dominator 99 SS represents a high point in Norton's twin-cylinder motorcycle development. Building upon the successful Dominator line, the 99 SS offered improved performance and handling. This machine entered a competitive market, vying for sales against models like the Triumph T110 Tiger and BSA Gold Star, all aiming to provide sporting performance in a relatively accessible package.
At the heart of the Dominator 99 SS lies its 596.0 ccm (36.37 cubic inches) parallel-twin engine. This powerplant produced a claimed 31.0 HP (22.6 kW) at 6500 RPM, allowing for a top speed of 163.0 km/h (101.3 mph). The fuel tank holds 16.00 litres (4.23 US gallons), offering a reasonable range for touring or spirited riding. The engine's responsive nature and relatively light weight of the motorcycle made it a formidable machine on twisty roads.
The riding experience of the Norton Dominator 99 SS is characterized by its responsive handling and classic motorcycle feel. With a seat height of 787 mm (31.0 inches), the bike is accessible to a wide range of riders. The riding position offers a balance between sporty and comfortable, allowing for extended rides. The suspension, while rudimentary by modern standards, provided adequate damping for the roads of the era.
The Norton Dominator 99 SS appealed to riders seeking a stylish and capable machine for both everyday use and weekend rides. Its combination of performance, handling, and classic British motorcycle aesthetics made it a desirable option. While not the most powerful motorcycle of its time, the 99 SS offered a well-rounded package that cemented its place in motorcycling history. It is a machine cherished by classic motorcycle enthusiasts for its charm and engaging riding experience.
✅ Why buy this bike?
• Exceptional handling and stability due to the 'Featherbed' frame, providing confidence in corners and at high speeds. • The 600cc parallel-twin engine delivers ample torque and power for spirited riding and comfortable cruising. • The Dominator 99 SS is a visually stunning motorcycle with classic British styling and a desirable aesthetic. • Relatively lightweight compared to other motorcycles of its era, contributing to its nimble handling characteristics. • Good brakes for the era, providing adequate stopping power with well-maintained components and setup. • The SS variant featured performance upgrades like a hotter camshaft, increasing power output and responsiveness.⚠️ Things to consider
• Lucas electrics are notoriously unreliable, often requiring meticulous maintenance or aftermarket upgrades. • Vibration can be significant at higher RPMs, potentially causing discomfort on longer rides. • Parts availability can be challenging and expensive, requiring specialized knowledge and sourcing. • The aging design requires regular maintenance and careful attention to detail to ensure reliable operation.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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