The Sunbeam Model 7 and 7A were motorcycles produced from 1922 to 1940. They had a single cylinder, side-valve engine with a capacity of 596cc and a 4-speed transmission with a chain final drive. The engine produced 3.2 kW or 4.25 horsepower. The frame was a single downtube cradle and the front suspension consisted of Druid forks, while the rear suspension was rigid and had a spring-loaded saddle. Both the front and rear brakes were drum brakes, and the wheels were made of steel with laced wire spokes. The motorcycle had an air-cooled system and a single exhaust. Starting was done through kicking. Source: Sunbeamsidevalve.com.
Technical specifications:
Make Model: Sunbeam Model 7 and 7A
| Year | 1922 – 40 |
|---|---|
| Engine | Single cylinder, side valve |
| Capacity | 596 cc / 36.4 cu in |
| Bore x Stroke | 77 x 105.5 mm |
| Cooling System | Air cooled |
| Exhaust | Single |
| Starting | Kick |
| Power | 3.2 kW / 4.25 hp |
| Transmission | 4-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 |
| Source | Sunbeamsidevalve.com |
