BMW R68 (1952)

Technical Specifications
1955 BMW R68
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
Generator
Gear ratios

Air-cooled, Four-stroke two cylinder flat twin
72.0 x 73.0 mm (2.83 x 2.87 inches)
594 cc
2 valves per cylinder; OHV
8.0:1
35 hp @ 7000 rpm

2 x carburettor, Type Bing 1/26/9 - 1/26/10
4-speed; Foot shifting (auxiliary manual lever on the gear block)
Cardan
Dry single plate
Magneto ignition
Kick starter
Forced feed lubrication

Bosch W 240 T1
Noris 6 V L 45/60 L
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)

Double loop steel tubular frame

2130 mm (83.85 inches)
725 mm (31.10 inches)
985 mm (38.77 inches)
1400 mm (55.11 inches)
807 mm (31.80 inches)
140 mm (5.51 inches)
190 kg
17 litres

Telescopic fork
Telescopic suspension
3.5 x R19
3.5 x R19 (with sidecar, rear 4 x 18)
Drum brake 200 mm/7.87 in diameter duplex, from 1954 full hub
Drum brake 200 mm/7.87 in diameter duplex, from 1954 full hub

Image: http://www.bmbikes.co.uk/photos/specphotos/r68.jpg
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