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Norton Dominator 99 SS
1959
1959
The 1959 Norton Dominator 99 SS represents a high point in the evolution of Norton's parallel-twin motorcycles. Building upon the successful Dominator line, the 99 SS offered enhanced performance and styling for the discerning rider of the late 1950s. It competed directly with other high-performance British twins of the era, such as the Triumph Bonneville T120 and BSA Gold Star, vying for the attention of riders seeking speed and style.
At the heart of the Dominator 99 SS lies its robust 596.0 ccm (36.37 cubic inches) twin, four-stroke engine. This powerplant provided ample power for spirited riding, pushing the motorcycle to a top speed of 163.0 km/h (101.3 mph). The fuel tank holds 16.00 litres (4.23 US gallons), offering a decent range for touring or weekend rides. The seat height sits at 787 mm (31.0 inches), which, while not adjustable, provided a reasonable position for many riders of the time.
The riding experience on the Dominator 99 SS is characterized by its responsive handling and comfortable ergonomics. While not a track-focused machine, the bike provided a stable and predictable ride on winding roads. The suspension, typical of the period, offered a compliant ride over varied surfaces. The upright riding position allowed for good visibility and control, making it suitable for longer journeys.
The Norton Dominator 99 SS appealed to riders who appreciated classic British engineering and performance. It wasn't just about outright speed; it was about the overall experience of riding a well-engineered and stylish machine. The motorcycle is a sought-after classic among collectors and enthusiasts. The 99 SS offers a glimpse into a golden era of motorcycling, before the arrival of faster, more technically complicated motorcycles.
✅ Why buy this bike?
• Exceptional handling due to the legendary Featherbed frame, providing superior stability and cornering compared to contemporaries. • Powerful and reliable 596cc parallel-twin engine delivers strong performance for its era, offering exhilarating acceleration and decent top speed. • Stylish and iconic design, instantly recognizable and highly desirable among classic motorcycle enthusiasts, making it a head-turner. • Relatively lightweight compared to other motorcycles of the time, contributing to its nimble handling and overall riding experience. • Well-regarded brakes for its period, offering adequate stopping power compared to other drum brake equipped bikes. • Good parts availability from specialist suppliers, facilitating maintenance and restoration for owners passionate about preservation.⚠️ Things to consider
• Vibration can be significant at higher RPMs, a common characteristic of parallel-twin engines of this era, affecting long-distance comfort. • Original electrical system is notoriously unreliable, requiring frequent maintenance or upgrades to modern components for consistent operation. • Drum brakes, while good for the time, lack the outright stopping power of modern disc brakes, demanding anticipation and careful riding. • Finding a well-preserved, original example can be challenging and expensive, often requiring significant restoration work. • Maintenance can be demanding, requiring specialized knowledge and tools to properly service and maintain the engine and chassis.Rule of thumb: under 125cc / 15HP → A1, under 47HP → A2, above → A.
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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