BMW R28 Military (1964)

Technical Specifications
1964 BMW R28 Military
Engine
Engine type
Bore x Stroke
Displacement
Valves
Compression ratio
Max Power
Max Torque
Fuel system

Transmission
Final drive

Clutch
Ignition type
Starting system
Lubrication
Exhaust
Spark plug
Battery
Gear ratios

Air-cooled, 4-stroke, single cylinder vertical
68.0 x 68.0 mm (2.67 x 2.67 inches)
245 cc
OHV
8.2:1
18 HP @ 7400 rpm

Rubber mounted slide type carburettor with long inlet tract and
waterproof enclosure. Oil damped air filter
4-speed, foot lever
Cardan shaft fully enclosed in oil bath swinging arm with heavy duty rubber
sealing. Maintenance free spiral bevel gears with constant tooth angle
Single plate dry clutch with diapragm spring
Battery ignition
Kick starter
Lubrication by gear pump in sump


6 volt 12 amp hour
Dimensions
Frame type

Castor
Overall length
Overall width
Overall height
Wheelbase
Seat height
Ground clearance
Dry weight
Fuel capacity
Colors
Suspension (front)

Suspension (rear)

Tyre (front)
Tyre (rear)
Brake (front)
Brake (rear)

Closed, electric welded double loop frame of steel, particularly suitable for
high speed use. Taper roller steering head bearings

2080 mm
790 mm
1010 mm
1320 mm
785 mm
185 mm (7.3 inches)
150 kg
15 litres

Telescopic forks (developed from BMW R25/3) with hydraulic damping and
travel of 126 mm
Rear swinging arm with two maintenance free taper roller bearings and hydraulic
dampers. Travel of 105 mm. Short wheelbase and high ground clearance
3.25 / 3.50 x 18 Cross Country
3.25 / 3.50 x 18 Cross Country
Drum brake 160 mm x 35 mm/6.29 inches diameter, full width
Drum brake 160 mm x 35 mm/6.29 inches diameter, full width

Image: http://www.bmbikes.co.uk
hal
Dilihat: