BMW R2 Series 4 (1935)

Technical Specifications
1935 BMW R2 Series 4
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
63.0 x 64.0 mm (2.48 x 2.51 inches)
198 cc
OHV
6.7:1
8hp at 4,500 rpm

1 x Amal push in carburettor 18.2 mm
3-speed
Cardan
Single plate dry clutch
Battery ignition
Kick starter
Forced Feed Lubrication

Bosch W 175 or Bosch 200 G 24
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)

Pressed steel duplex frame

1950 mm (76.77 inches)
850 mm (33.46 inches)
950 mm (37.40 inches)
1303 mm (51.29 inches)
828 mm (32.6 inches)
185 mm (7.3 inches)
130 kg
11 litres

Cantilever spring, 9 laminae. From 1/6/1933 with shock absorber
Rigid
26x3.5 on 19x3
26x3.5 on 19x3
Drum brake 180 mm / 7.08 inches diameter
Drum brake 180 mm / 7.08 inches diameter

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