Engineered by Norton for the classic motorcycle segment, the 1973 Norton Commando 850 Roadster features a 828 cc (50.5 cu in) air-cooled twin, four-stroke configuration. In factory specification, peak output is rated at 51 HP (37.2 kW) at 6,250 rpm, transferring power to the rear wheel through a 4-speed gearbox and chain final drive. With a specific output of 61.6 HP per liter, the engine character is indicating a tractable, stress-free state of tune focused on everyday usability and broad torque delivery.
On the scales, the Commando 850 Roadster measures 221 kg (487 lbs) wet (curb), translating to a power-to-weight ratio of 0.23 HP/kg (4.33 kg per horsepower). The 11-liter (2.9 US gal) fuel tank supports practical everyday commuting and weekend road stints, while factory top speed is listed at 191 km/h (119 mph).
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
