Do you have a question about the BSA Bantam Supreme D14/4 and is the answer not in the manual?
Detailed specifications for the engine, including bore, stroke, compression, and timing.
Technical data on gear ratios, chain sizes, and clutch components.
Specifications related to wheels, tyres, and brakes.
Technical details for the Amal carburetter, including jets and settings.
Overview and identification of the motorcycle's controls.
Detailed description of controls located on the handlebars.
Description of hand-operated controls not on the main handlebars.
Description of controls operated by the rider's feet.
Step-by-step instructions for starting the engine.
Procedure for selecting first gear.
Instructions for starting to ride the motorcycle.
How to shift to a higher gear.
How to shift to a lower gear.
Method for finding the neutral gear position.
Details on engine lubrication requirements and methods.
Information on setting the contact breaker points.
Explanation and adjustment of ignition timing.
Details on the sparking plug, type, and maintenance.
Operation and adjustment of the carburetter air control lever.
Description and adjustment of the clutch control mechanism.
Information on gearbox lubrication and oil changes.
Adjustment procedures for front and rear brakes.
| Engine Type | Two-stroke, single cylinder |
|---|---|
| Displacement | 174 cc |
| Transmission | 4-speed manual |
| Fuel System | Carburetor |
| Front Brake | Drum |
| Rear Brake | Drum |
| Front Suspension | Telescopic forks |
| Rear Suspension | Swingarm with twin shock absorbers |
| Frame | Steel |











