| MODEL | BSA G14 1936 - 1940 |
| Year | 1936 - 1940 |
| Engine Type | Four-stroke, air-cooled, L-head (side-valve) V-twin |
| Displacement / Capacity | 986 cc / 60.2 cu in |
| Bore X Stroke | 80 x 98 mm |
| Compression Ratio | — |
| Cooling System | Air-cooled |
| Max Power | 18.4 kW / 25 hp @ 3800 rpm |
| Max Torque | — |
| Ignition | Lucas magneto |
| Induction | — |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Dry sump, double mechanical pump (2.3 L oil) |
| Gear Box | 4-speed, constant mesh |
| Clutch | Multi-plate, dry |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Duplex cradle |
| Front Suspension | Parallelogram fork with spring shock absorbers and friction damper |
| Rear Suspension | None (spring-loaded saddle) |
| Front Brakes | Drum, 7 in |
| Rear Brakes | Drum, 7 in |
| DIMENSION SPECS | |
| Overall Length | — |
| Overall Width | 736 mm / 29 in |
| Overall Height | — |
| Seat Height | — |
| Wheelbase | 1600 mm / 63 in |
| Ground Clearance | 120 mm / 4.7 in |
| Dry Weight | 191 kg / 421 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 4.00 x 18 in |
| Rear Tyre | 4.00 x 18 in |
| FUEL SYSTEM | |
| Fuel Capacity | 17 Litres / 4.5 US gal |
| Fuel Consumption | — |
| Top Speed | — |
BSA's big 1000 cc side-valve V-twin, built to haul heavy sidecar loads though also sold solo. It had a long wheelbase, fat tyres and a low seat, and was bought by several armies before the war.
