BMW - R 90 S 73

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Bike Info

CC:
900
R 90 S Parts and accessories

Brakes

Front:
Twin Disc
Rear:
Drum
Front Disc Size:
260 mm
Front-Pistons-per-caliper:
1

Dimensions

Fuel Capacity:
24 Litres
Ground Clearance:
165 mm
Height:
1210 mm
Length:
2180 mm
Seat Height:
820 mm
Wheelbase:
1465 mm
Width:
740 mm

Electrics

Voltage:
12v
Charging System:
Alternator - Bosch 12 V/280 W
Ignition:
Single set Mechanical Points
Spark Plugs:
NGK BP7ES

Engine

Type:
OHV Flat Twin
Bore x Stroke:
90 x 70.6 mm
Carburation:
2 x Dellorto 38mm Slide carburettors with pumps
Compression Ratio:
9.5 : 1
Displacement:
898 cc
No. of Valves:
4
Starting:
Electric - Bosch 0.5 hp

Transmission

Clutch Type:
Dry single plate, with diaphragm spring
Final Drive:
Shaft
Transmission:
5 Speed

Misc.

Frame:
Double loop tubular frame with bolt on rear section
Motorcycle Style:
Roadster
Place of Manufacture:
Spandau - Berlin - Germany

Power

Top Speed:
125 mph

Tyres

Front:
325-H19 Tubed
Rear:
400-18 Tubed