BMW R28 Military: history, specs, pictures
| Manufacturer | BMW |
|---|---|
| Production | 1964 |
| Engine | single cylinder, four-stroke |
| Bore / Stroke | 68.0mm x 68.0mm |
| Top speed | 65 mph (105 km/h) |
| Horse Power | 17.57 HP (13.1 KW) @ 7400RPM |
| Fuel system | carburettor. rubber mounted slide |
| Ignition type | centrifugal |
| Battery | 8.2:1 |
| Transmission | Gear box: 4-speed Final Drive: shaft drive (cardan) |
| Suspension | Front: cartridge Rear: twin shock-swingarm |
| Brakes | Front: expanding brake (drum brake) Rear: expanding brake (drum brake) |
| Front Tire | 3.27-18 |
| Rear Tire | 3.27-18 |
| Wheelbase | 51.97 inches (1320 mm) |
| Dimensions | L 81.89 inches (2080 mm) W 31.1 inches (790 mm) H 39.76 inches (1010 mm) |
| Seat height | 30.91 inches (785 mm) |
| Weight | (dry), 155.0 kg (wet) |
| Fuel capacity | 3.96 Gallon (15.00 Liters) |
| Fuel consumption | 3.90 litres/100 km (25.6 km/l or 60.31 mpg) |
| Manuals | Service Manual |
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The BMW R28 Military was a single cylinder, four-stroke standard produced by BMW in 1964. It could reach a top speed of 65 mph (105 km/h). Claimed horsepower was 17.57 HP (13.1 KW) @ 7400 RPM.
Engine
The engine was a air cooled single cylinder, four-stroke. A 68.0mm bore x 68.0mm stroke result in a displacement of just 247.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).
Drive
The bike has a 4-speed transmission. Power was moderated via the single plate dry-cable operated.
Chassis
It came with a 3.27-18 front tire and a 3.27-18 rear tire. Stopping was achieved via expanding brake (drum brake) in the front and a expanding brake (drum brake) in the rear. The front suspension was a cartridge while the rear was equipped with a twin shock-swingarm. The R28 Military was fitted with a 3.96 Gallon (15.00 Liters) fuel tank. The wheelbase was 51.97 inches (1320 mm) long.