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Norton 650 SS
1966
1966
The Norton 650 SS, particularly the 1966 model, represents a significant point in the history of British motorcycles. Following the earlier Dominator models, the 650 SS aimed for a sportier character. It directly competed with machines like the Triumph Bonneville T120, offering a distinct alternative for riders seeking performance and style.
At the heart of the 1966 Norton 650 SS lies its robust engine: a 646.0 ccm (39.42 cubic inches) twin, four-stroke powerplant. This engine configuration was known for its strong mid-range torque. With proper tuning and conditions, the 650 SS was capable of reaching a top speed of 185.0 km/h (115.0 mph), making it a competitive machine for its era. The parallel twin layout also contributed to the bike's distinctive sound and character.
The riding experience on the Norton 650 SS is characteristically British. While not track-focused with extreme rearset pegs, the riding position allowed for spirited riding while retaining a degree of comfort for longer journeys. The suspension, though basic by modern standards, offered acceptable handling on typical roads of the time. The overall feel is of a motorcycle that demands rider input and rewards skillful handling.
The Norton 650 SS appealed to riders who appreciated classic British motorcycles and sought a machine with sporting pretensions. It wasn't necessarily for the beginner, requiring some mechanical aptitude and a willingness to maintain a vintage machine. The 1966 650 SS is a piece of motorcycling history that provides a unique and engaging experience for those willing to embrace its quirks and charms.
✅ Why buy this bike?
• Excellent handling due to the featherbed frame, providing stability and confidence in corners. • Strong engine performance with ample torque, making it responsive and enjoyable for street riding. • Relatively lightweight compared to other bikes of the era, contributing to its agile feel. • Classic British styling and iconic design, making it a visually appealing and desirable motorcycle. • Good braking performance for its time, offering adequate stopping power in typical riding conditions. • Simple mechanical design allows for relatively straightforward maintenance and repairs, enhancing ownership.⚠️ Things to consider
• Vibration can be significant, especially at higher RPMs, leading to rider fatigue on longer journeys. • Electrical system can be unreliable with Lucas components, requiring occasional troubleshooting and upgrades. • Original Amal carburetors can be finicky and require regular adjustments to maintain optimal performance. • Spares availability can be limited and expensive, potentially complicating restoration and maintenance. • Can be prone to oil leaks, a common characteristic of British motorcycles from this era.Rule of thumb: under 125cc / 15HP → A1, under 47HP → A2, above → A.
Estimated average for 646cc class: 35-50 mpg (5.0-7.0 L/100km)
Insurance grouping for Norton 650 SS (646cc):
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