Built around Velocette's scooter motorcycle platform, the 1963 Velocette Viceroy pairs a 247 cc (15.1 cu in) two cylinder boxer, two-stroke architecture with road-focused gearing. In factory specification, peak output is rated at 16.5 HP (12 kW) at 6,000 rpm, transferring power to the rear wheel through a 3-speed gearbox and shaft drive (cardan) final drive. With a specific output of 66.8 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 Viceroy measures 140 kg (309 lbs) dry, translating to a power-to-weight ratio of 0.12 HP/kg (8.48 kg per horsepower). Rider ergonomics and chassis geometry center around a 1,372 mm (54 in) wheelbase engineered for quick, flickable steering geometry.
Within MotoLibrary's Velocette archive, this model family spans 5 indexed model years from 1960 to 1964, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
66.8 HP/L
Power-to-Weight
0.12 HP/kg (8.48 kg/HP)
Engine
Displacement247.0 ccm (15.07 cubic inches)
Engine TypeTwo cylinder boxer, two-stroke
Engine DetailsSingle cylinder, two-stroke
Power16.5 HP (12.0 kW)) @ 6000 RPM
Bore x Stroke57.0 x 57.0 mm (2.2 x 2.2 inches)
Fuel SystemCarburettor. Amal
IgnitionFlywheel magneto
LubricationOil mixture
Transmission
Gearbox3-speed
Final DriveShaft drive (cardan) (final drive)
ClutchCentrifugal
Performance
Top Speed105.0 km/h (65.2 mph)
Fuel Consumption3.14 litres/100 km (31.8 km/l or 74.91 mpg)
Greenhouse Gases72.8 CO2 g/km. (CO2 - Carbon dioxide emission)
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.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
