BSA A7 Shooting Star (1946-61)

Make Model: Up to 1954: A7 Star Twin After 1954: A7 Shooting star


Year: 1946 – 61
Engine: Four stroke twin cylinder
Capacity: Up to 1950: 495 cc / 30.2 in. After 1950: 497 cc / 30.3 in/
Bore x Stroke: 66 x 72.6mm
Cooling System: Air cooled
Compression Ratio: Star Twin: 6.6:1 Shooring Star: 7.2:1
Oil Capacity: 2.6 L / 5.5 US pints
Carburetor: Up to 1954: Amal remote float type 6 After 1954: Amal 376 monobloc
Exhaust: Twin, chrome
Generator: Dynamo
Ignition: Lucas magneto
Spark plug: Star Twin: L10S Shooring Star: NA 10
Battery: 12 V
Starting: Kick
Max Power: 495 cc: 19 kW / 26 hp @ 5800 rpm 497 cc: 22 kW / 30 hp @ 5800 rpm
Clutch: Multi-plate, dry
Transmission: 4-Speed
Final Drive: Chain, 98 links
Gear Ratios: 1st 13.62 / 2nd 9.28 / 3rd 6.38 / 4th 5.28:1
Frame: Twin cradle
Wheelbase: 1391 mm / 54.8 in

Front Suspension: Star Twin: Girder Shooting Star: Telefork
Rear Suspension: Shooting Star: Swinging arm
Front Brakes: Shooting Star: 8 in
Rear Brakes: Shooting Star: 8 in
Wheels: Steel, wire spokes
Front Tyre: 3.25 x 19 in
Rear Tyre: 3.50 x 19 in
Dry Weight: 166 kg / 366 lbs
Fuel Capacity: 16 L / 4.2 US gal or 8 L / 2.1 US gal
Top speed: 495 cc: 137 km/h / 85 mph 497 cc: 40 km/h / 90 mph
Colours: Bottle green/Light green
Source: Wikipedia


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