BSA Y13

 

 

 

 

 

Make Model

BSA Y13

Year

1937

Engine

Twin cylinder, V-shape, 4-stroke, OHV

Capacity

748 cc / 45.6 cub in.
Bore x Stroke 71 x 94.5 mm
Cooling System Air cooled
Lubrication Dry sump with double gear pump
Oil Capacity 2.3 L / 4.8 US pints
Carburetor Amal 76
Exhaust Twin, single sided, steel , chrome

Ignition 

Lucas magneto
Battery 6V
Starting Kick start

Max Power

19.5 kW / 26.5 hp @ 4800 rpm

Clutch

Multi-plate, dry

Transmission 

4-Speed, constant mesh
Final Drive Chain, 96 links

Gear Ratios

Solo: 1st 14.3 / 2nd 9.9 / 3rd 6.3 / 4th 4.8:1

Sidecar model: 1st 15.8 / /2nd 10.9 / 3rd 6.9 / 4th 5.3:1

Frame Duplex cradle with forged steel backbone

Front Suspension

Quick adjustable shock absorber and steering damper

Rear Suspension

None, spring loaded saddle

Front Brakes

Drum, 7 in.

Rear Brakes

Drum, 7 in.

Front Tyre

4.00 x 18 in., Dunlop Universal

Rear Tyre

4.00 x 18 in., Dunlop Universal

Dimensions

Width: 736 mm / 29 in. (without sidecar)

Wheelbase

1372 mm / 54 in.
Ground Clearance 120 mm / 4.7 in.
Wet Weight 204 kg / 450 lbs

Fuel Capacity 

17 L / 4.5 US gal

Colours

Black and chrome with green tank panels