The Matchless Silver Hawk motorcycle was produced between 1931 and 1935. It had a V-four cylinder, OHC engine with a capacity of 592cc and a compression ratio of 6.1:1. The bike had a dry sump lubrication system with a fabric oil filter and could hold 2.3L of oil. The maximum power output of the Silver Hawk was 19 kW or 26 hp. It had a brazed lug tubular construction frame that incorporated cantilever rear suspension and front suspension consisting of Matchless centre spring girders with finger adjustment. The front and rear brakes were interconnected 203mm drums, and the bike had steel wheels with wire spokes, with a 3.25 x 19 in. front tyre and a 3.25 x 19 in. (4.00 x 19 available as an option) rear tyre. The wheelbase was 1422mm, and the wet weight was 172kg. The fuel tank capacity was 11.4L, and its average fuel consumption was 3.6 L/100 km or 65 US mpg. The bike had a top speed of 137 km/h or 85 mph and was available in black with gold striping and chrome/white tank panels. The source of this information is Manuk.de.
Technical specifications:
Make Model: Matchless Silver Hawk
| Year | 1931 – 35 |
|---|---|
| Engine | V-four cylinder, OHC |
| Capacity | 592 cc / 38.1 cub in. |
| Bore x Stroke | 50.8 x 73 mm |
| Cooling System | Air cooled |
| Compression Ratio | 6.1:1 |
| Lubrication | Dry sump with fabric oil filter |
| Oil Capacity | 2.3 L / 4.9 US pints |
| Exhaust | Two-into-one, chrome |
| Fuel System | Amal |
| Ignition | Lucas dynamo coil |
| Starting | Kick |
| Transmission | 4-Speed, Sturmey Archer gearbox |
| Final Drive | Chain |
| Maximum Power | 19 kW / 26 hp |
| Frame | Brazed lug tubular construction incorporating cantilever rear suspension |
| Front Suspension | Matchless centre spring girders, finger adjustment |
| Rear Suspension | Cantilever |
| Front Brakes | 203 mm / 8 in. drum, interconnected |
| Rear Brakes | 203 mm / 8 in. drum, interconnected |
| Wheels | Steel, wire spokes |
| Front Tyre | 3.25 x 19 in. |
| Rear Tyre | 1958: 3.25 x 19 in. (4.00 x 19 available as an option) |
| Wheelbase | 1422 mm / 56 in. |
| Wet Weight | 172 kg / 380 lbs |
| Fuel Capacity | 11.4 L / 3.0 US gal |
| Average Consumption | 3.6 L/100 km / 28 km/l / 65 US mpg |
| Top Speed | 137 km/h / 85 mph |
| Colours | Black with gold striping and chrome/white tank panels |
| Source | Manuk.de |
