1973 BMW R90S
![BMW R90S BMW R90S](/BMW%20R90S%201_3_54597.webp)
General motorcycle information
Engine and transmission
Displacement
54.80 cubic inches (898.0 ccm)
Engine type
Two cylinder boxer, 4 stroke
Power
67.0 horsepowers (50.0 kiloWatts)
at 7000 RPM
Torque
56.06 pound-foot/lbf-ft (76.00 Nm / 7.75 kgf-m)
at 5500 RPM
Compression
9.5:1
Bore x stroke
5.49 x 4.31 inches (90.0 x 70.6 mm)
Fuel system
Carburettor
Cooling system
Air
Gearbox
-
Transmission type, final drive
Shaft drive (cardan)
Starter
-
Fuel consumption
-
Top speed
200.0 kmh (124.3 mph)
Chassis, suspension, brakes and wheels
Front tyre
-
Rear tyre
-
Front brake
Double discs
Front brakes diameter
15.87 inches (260.0 mm)
Rear brake
Expanding brake (drum)
Rear brakes diameter
12.20 inches (200.0 mm)
Physical measures and capacities
Dry weight
-
Wet weight
474.0 pounds (215.0 kg)
Seat height
50.0 inches (820 mm)
Wheelbase
89.4 inches (1465 mm)
Overall length
133.0 inches (2180 mm)
Overall width
45.1 inches (740 mm)
Overall height
73.8 inches (1210 mm)
Ground clearance
-
Fuel capacity
6.34 gallons (24.0 litres)
Oil capacity
-
Further motorcycle information
More specs
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Insurance costs
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