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BMW R90S - generations and specs | MOTOVULKAN

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R90S

BMW · Model— R90S

R90S

1 generation1973 - 1976·Naked

BMW R90S 1973-1976

About generation 1973-1976

1973-1976

Years: 1973 - 1976
Class: Naked

Specifications

8 groups

General

2

Market: Foreign-make model
Manufacturer: BMW

Engine

14

Bore: 90 mm
Cooling: Air-cooled
Power: 67 hp
Power (kW): 49.3 kW
Power RPM: 7,000 rpm
Stroke: 70.6 mm
Cylinders: 2
Fuel system: Carburetor
Engine type: 4-stroke
Valvetrain: OHV
Cylinder layout: Boxer
Displacement: 898 cc
Compression ratio: 9.5
Valves per cylinder: 2

Transmission

4

Type: Return shift
Gears: 5
Shift type: Foot shift
Final drive: Shaft

Chassis

4

Rear tire: 4.00-18
Front tire: 3.25-19
Rear tire construction: Bias
Front tire construction: Bias

Dimensions

1

Wheelbase: 1,465 mm

Weight

2

Wet weight: 215 kg
Seats: 2

Capacities

1

Fuel tank: 24 l

Electrical

1

Starter: Electric starter

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