BSA M22

 

 

 

Make Model

BSA M22

Year

1937

Engine

Four stoke, single cylinder, OHV

Capacity

496 cc / 30.3 cub in.
Bore x Stroke 81 x 94 mm
Cooling System Air cooled
Lubrication Dry sump
Oil Capacity 3.4 L / 7.2 US pints
Carburetor Amal
Exhaust Single, steel, chrome

Ignition 

Magdyno
Battery 6V, RU7E
Starting Kick start

Max Power

16 kW / 22 hp

Clutch

Multi-plate, dry

Transmission 

4-Speed, constant mesh
Final Drive Chain

Gear Ratios

Solo: 1st 14.2 / 2nd 9.9 / 3rd 6.3 / 4th 4.8:1

Sidecar model: 1st 16.6 / 2nd 11.5 / 3rd 7.3 4th 5.6:1

Frame Triangulated cradle type with integral sidecar lugs

Front Suspension

Shock absorber with finger adjustment and steering damper

Rear Suspension

None, spring loaded saddle

Front Brakes

Drum, 7 in.

Rear Brakes

Drum, 7 in.

Front Tyre

3.25 x 19 in., Dunlop Universal

Rear Tyre

3.25 x 19 in., Dunlop Universal

Wheelbase

1372 mm . 54 in
Ground Clearance 120 mm / 4.7 in.
Saddle Height 724 mm / 28.5 in

Fuel Capacity 

13.6 L / 3.6 US gal