The Sunbeam Model 4 de Luxe is a motorcycle that was produced from 1924 to 1926. It features a single cylinder, side valve engine that has a capacity of 596cc/36.4cu in. The bore and stroke measure 85 x 105.5 mm and the cooling system is air cooled. The bike has a single exhaust and is started by kick. It delivers a power output of 3.4 kW or 4.5 horsepower and is equipped with a 3-speed transmission that drives the chain final drive. The frame is a single downtube cradle, and the suspension comprises Druid forks upfront and a rigid, spring loaded saddle at its rear. The brakes are drum style- with the front and rear both being drums. The spoked wheels are made out of steel, and the bike does not carry any special designations such as roadster or tourer. Although there isn’t much to distinguish one Sunbeam from another, the company became famous for their innovation and high-quality production standards. Overall, it’s a decent bike that packs a simple, reliable punch- owing to its characteristics and dependability.
Technical specifications:
Make Model: Sunbeam Model 4 de Luxe
| Year | 1924 – 26 |
|---|---|
| Engine | Single cylinder, side valve |
| Capacity | 596 cc / 36.4 cu in |
| Bore x Stroke | 85 x 105.5 mm |
| Cooling System | Air cooled |
| Exhaust | Single |
| Starting | Kick |
| Power | 3.4 kW / 4.5 hp |
| Transmission | 3-Speed |
| Final Drive | Chain |
| Frame | Single downtube cradle |
| Front Suspension | Druid forks |
| Rear Suspension | Rigid, spring loaded saddle |
| Front Brakes | Drum |
| Rear Brakes | Drum |
| Wheels | Steel, laced wire spokes |
