Segment: Clasic
Production years: 1940, 1941, 1942, 1943, 1944, 1945, 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956
The BSA M20 was one of the most successful models produced by the British brand, being used also by the British Army throughout World War II. It had, at its heart, an air-cooled, four-stroke, 496cc, single cylinder powerplant mated to a four-speed manual transmission and can produce a claimed 13 horsepower at 4200 rpm. Standard fittings for this machine included a single, sprung seat, a hard-tail rear suspension, a parallelogram front fork, a large headlight, a steel exhaust system, pull-back handlebars, laced wheels and analogue instrumentation dials.
engine specs | Type: | air-cooled, four-stroke, single cylinder, side valve | Displacement: | 496 cm3 | Bore X Stroke: | 3.2x3.7 in OR 81 mm | Compression Ratio: | 4.9:1 | Horsepower: | 13/4200 KW(hp)/RPM | Torque: | 0/- lb-ft/RPM OR 0 Nm/RPM | Fuel System: | Amal carburetor |
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transmission specs | Gearbox: | 4-speed, manual | Clutch: | dry, multi-plate | Primary Drive: | - | Final Drive: | chain |
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chassis specs | Frame: | steel | Front Suspension: | parallelogram fork | Rear Suspension: | hard-tail, sprung seat | Front Brake: | drum | Rear Brake: | drum |
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dimension specs | Overall Length: | 85.8 in OR 2179 mm | Overall Width: | 29.1 in OR 739 mm | Seat Height: | 28.5 in OR 724 mm | Wheelbase: | 54 in OR 1372 mm | Ground Clearance: | 4.7 in OR 119 mm | Weight: | 368 lbs OR 167 kg | Fuel Capacity: | 3.7 gallons OR 14.0 L |
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tyres specs | Front: | 3.25 x 19 | Rear: | 3.50 x 19 |
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