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Velocette MAF

Make Model	Velocette MAF
Year	1941
Production	1200 units, only 947 were used by the defense force
Engine	Four stroke, single cylinder, OHV
Capacity	349 cc / 21.3 cub in
Bore x Stroke	68.5 x 68.5 mm
Compression Ratio	6.0:1
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, foot change gearbox
Final Drive	Chain
Frame	Single top and front down tubes and twin tube cradle
Dimensions	Length: 2159 mm / 85 in. Width: 711 mm / 28 in. Height: 1016 mm / 40 in.
Wheelbase	1321 mm / 52 in.
Seat height	700 mm / 27.5 in.
Front Suspension	Pre war: Webb girder style
Rear Suspension	Hydraulic shocks
Front Brakes	7 in., sls drum
Rear Brakes	6 in., sls drum
Front Wheel	19 in., spokes
Rear Wheel	19 in., spokes
Front Tyre	3.25 x 19 in
Rear Tyre	3.50 x 19 in
Fuel Capacity	11.4 L / 3 US gal
Top Speed	105 km/h / 65 mph
Colours	British RAF blue
Source	Wikipedia, Auctionsamerica

The Velocette MAF was a military version of the Velocette MAC civilian motorcycle. The Velocette company had just began producing their 1940 civilian MAC model when wartime production requirements forced them to switch to the production of high-precision parts for military contracts. In addition, they were contracted to paint helmets for the British Army. The first military order for motorcycles came from the French government prior to the British military parts and painting contracts. All of the machines belonging to the first French shipment were lost in transit. The fall of France shortly thereafter left the Velocette company with the bulk of the 1,200 MAC motorcycles ordered by the French undelivered. The Velocette company looked to the British military to take over the order. Eventually, the British military took over the French contract MACs (designated MDD) and ordered a more militarized version, the MAF, as well. The MAF featured a reinforced frame and crankshaft shield. In addition, a lower gear and compression ratio was introduced along with a sturdier clutch assembly. The gear change sequence was reversed to coincide with other British military motorcycles. Only 950 MAF and 1,200 MACs saw service during World War II.