Velocette MAC (1946-59)

The Velocette MAC was a post-war motorcycle produced from 1946 to 1959, with 25,000 units manufactured. It featured a four stroke, single cylinder, OHV engine with a capacity of 349 cc, producing 11 kW / 15 hp at 6300 rpm. The bike had a three-plate clutch and four-speed transmission, with a final drive chain. It had a single top and front down tube and twin tube cradle frame, with pre-war Webb girder style front suspension, and post-war air-sprung Dowty Oleomatic forks. The front and rear drum brakes were 7 in. and 6 in., respectively, and it had 19 in. spoked wheels with 3.25 x 19 in. front and rear tyres. The dry weight of the MAC was 161 kg / 355 lbs, and it had a fuel capacity of 11.4 L / 3 US gal. The top speed of the MAC was 121 km/h / 75 mph, and it was available in black/chrome.

Technical specifications:

Make Model: Velocette MAC (post war)

Year: 1946 – 59
Production: 25 000 units
Engine: Four stroke, single cylinder, OHV
Capacity: 349 cc / 21.3 cub in
Bore x Stroke: 68.5 x 96 mm
Compression Ratio: 6.75:1 (from 1951)
Cooling System: Air cooled
Carburetor: Amal needle-type
Lubrication: Dry sump
Exhaust: Single, megaphone chrome silencer
Ignition: Lucas K2F magneto
Starting: Kick start
Max Power: 11 kW / 15 hp @ 6300 rpm
Clutch: Three-plate
Transmission: 4 Speed
Final Drive: Chain
Frame: Single top and front down tubes and twin tube cradle
Wheelbase: 1276 mm / 50.25 in.
Seat height: 700 mm / 27.5 in.
Front Suspension: Pre war: Webb girder style Post war: Air-sprung Dowty Oleomatic forks
Rear Suspension: Hydraulic shocks
Front Brakes: 7 in., drum
Rear Brakes: 6 in., drum
Front Wheel: 19 in., spokes
Rear Wheel: 19 in., spokes
Front Tyre: 3.25 x 19 in
Rear Tyre: 3.25 x 19 in
Dry Weight: Pre war: 130 kg / 280 lbs Post war: 161 kg / 355 lbs
Fuel Capacity: 11.4 L / 3 US gal
Top Speed: 121 km/h / 75 mph
Colours: Black/chrome
Source: Wikipedia