The Matchless G80 motorcycle was produced between 1946 and 1966 in various models such as G80C, G80CS, and G80S. The engine was a single cylinder, air-cooled, 4-stroke with a capacity of 498 cc and a bore x stroke of 82.5 x 93 mm. From 1956, the compression ratio was increased to 7.3:1. The motorcycle had a dry sump with an external oil tank for lubrication and a single, right-side exhaust. The fuel system used an Amal 27 mm carburetor and ignition was through magneto. The motorcycle had a 4-speed transmission and chain final drive. The duplex frame had a wheelbase of 1397 mm and the front suspension varied with the model – either a teledraulic fork or girder fork. The rear suspension was either none with a spring-loaded saddle or swingarm with spring-loaded. The brakes were drum, both front and rear, and the wheels were steel with wire spokes. The dry weight of the motorcycle was 177 kg and it could reach a top speed of 126 km/h. These details were sourced from Wikipedia.
Technical specifications:
Make Model: Matchless G80, G80C, G80 CS, G80S
| Year | 1946 – 66 |
|---|---|
| Engine | Single cylinder, 4-stroke, pushrod |
| Capacity | 498 cc / 30.3 cub in. |
| Bore x Stroke | 82.5 x 93 mm |
| Cooling System | Air cooled |
| Compression Ratio | 1946 onwards: 5.9:1 From 1956: 7.3:1 |
| Lubrication | Dry sump with external oil tank |
| Exhaust | Single, right side |
| Fuel System | Amal 27 mm carburetor |
| Ignition | Magneto |
| Starting | Kick |
| Maximum Power | 21 kW / 28 hp @ 5600 rpm |
| Transmission | 4-Speed |
| Final Drive | Chain |
| Frame | Duplex frame |
| Wheelbase | 1397 mm / 55.0 in. |
| Front Suspension | G80L: Teledraulic fork G80: Girder fork |
| Rear Suspension | G80: None, springloaded saddle G80S: Swingarm, springloaded |
| Front Brakes | Drum |
| Rear Brakes | Drum |
| Wheels | Steel, wire spokes |
| Dry Weight | 177 kg / 390 lbs |
| Top Speed | 126 km/h / 78 mph |
| Source | Wikipedia |
