Velocette Mac: history, specs, pictures

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Velocette Mac
Manufacturer
Production 1934 - 1959
Engine
twin, four-stroke
Bore / Stroke 68.0mm x 96.0mm
Top Speed 75 mph (120 km/h)
Horsepower 17.57 HP (13.1 KW) @ 5500RPM
Fuel System carburetor
Ignition magneto
Transmission Gear box: 4-speed

Final Drive: chain

Clutch: wet multiplate
Suspension Front: hydralic telescopic forks
Rear: swingarm
Brakes Front: expanding brake (drum brake)
Rear: expanding brake (drum brake)
Front Tire 3.25-19
Rear Tire 3.50-19
Wheelbase 50.24 inches (1276 mm)
Length 83.86 inches (2130 mm)
Width 27.56 inches (700 mm)
Height 38.98 inches (990 mm)
Seat Height 27.56 inches (700 mm)
Weight 354.94 pounds (161.0 Kg) (dry),
Fuel Capacity 2.91 Gallon (11.00 Liters)
Manuals Service Manual


The Velocette Mac was a twin, four-stroke standard produced by Velocette between 1934 and 1959. It could reach a top speed of 75 mph (120 km/h). Claimed horsepower was 17.57 HP (13.1 KW) @ 5500 RPM.

Engine[edit | edit source]

The engine was a air cooled twin, four-stroke. A 68.0mm bore x 96.0mm stroke result in a displacement of just 349.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).

Drive[edit | edit source]

The bike has a 4-speed transmission. Power was moderated via the wet multiplate.

Chassis[edit | edit source]

It came with a 3.25-19 front tire and a 3.50-19 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a hydralic telescopic forks while the rear was equipped with a swingarm. The Mac was fitted with a 2.91 Gallon (11.00 Liters) fuel tank. The bike weighed just 354.94 pounds (161.0 Kg). The wheelbase was 50.24 inches (1276 mm) long.