BMW R28 Military: history, specs, pictures

From CycleChaos
Jump to navigation Jump to search


BMW R28 Military
Manufacturer
BMW
Production 1964
Engine
single cylinder, four-stroke
Bore / Stroke 68.0mm x 68.0mm
Top Speed 65 mph (105 km/h)
Horsepower 17.57 HP (13.1 KW) @ 7400RPM
Fuel System carburetor. rubber mounted slide
Ignition centrifugal
Transmission Gear box: 4-speed

Final Drive: shaft drive (cardan)

Clutch: single plate dry-cable operated
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)
Length 81.89 inches (2080 mm)
Width 31.1 inches (790 mm)
Height 39.76 inches (1010 mm)
Seat Height 30.91 inches (785 mm)
Weight 155.0 kg (wet)
Fuel Capacity 3.96 Gallon (15.00 Liters)
Fuel Consumption 3.90 liters/100 km (25.6 km/l or 60.31 mpg)
Manuals Service Manual


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[edit | edit source]

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[edit | edit source]

The bike has a 4-speed transmission. Power was moderated via the single plate dry-cable operated.

Chassis[edit | edit source]

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.