Norton MK2A 850 Commando Roadster: history, specs, pictures
| Norton MK2A 850 Commando Roadster | |
| Manufacturer | |
|---|---|
| Production | 1974 |
| Engine | twin, four-stroke |
| Bore / Stroke | 77.0mm x 89.0mm |
| Top Speed | 117 mph (189 km/h) |
| Horsepower | 58.74 HP (43.8 KW) @ 6250RPM |
| Fuel System | carburetor. twin amals |
| Ignition | points |
| Transmission | Gear box: 4-speed Final Drive: chain |
| Suspension | Front: telescopic Rear: twin shocks |
| Brakes | Front: single disc Rear: expanding brake (drum brake) |
| Wheelbase | 56.69 inches (1440 mm) |
| Length | 87.99 inches (2235 mm) |
| Seat Height | 30.98 inches (787 mm) |
| Weight | 414.91 pounds (188.2 Kg) (dry), 199.6 kg (wet) |
| Oil Capacity | 0.79 Gallon (3.00 Liters) |
| Fuel Capacity | 3.0 Gallon (11.36 Liters) |
| Fuel Consumption | 5.11 liters/100 km (19.6 km/l or 46.03 mpg) |
| Manuals | Service Manual |
The Norton MK2A 850 Commando Roadster was a twin, four-stroke standard produced by Norton in 1974. It could reach a top speed of 117 mph (189 km/h). Claimed horsepower was 58.74 HP (43.8 KW) @ 6250 RPM.
Engine[edit | edit source]
The engine was a air cooled twin, four-stroke. A 77.0mm bore x 89.0mm stroke result in a displacement of just 828.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).
Drive[edit | edit source]
The bike has a 4-speed transmission. Power was moderated via the wet multiplate.
Chassis[edit | edit source]
Stopping was achieved via single disc in the front and a expanding brake (drum brake) in the rear. The front suspension was a telescopic while the rear was equipped with a twin shocks. The MK2A 850 Commando Roadster was fitted with a 3.0 Gallon (11.36 Liters) fuel tank. The bike weighed just 414.91 pounds (188.2 Kg). The wheelbase was 56.69 inches (1440 mm) long.