1975 BMW R90S

Year: 1975
GENERAL
Make: BMW
Model: R90S
Retail New: $3,430
Retail Current: $3,500-$7,500
CHASSIS
Frame: Twin Loop Tubular
Wheelbase: 57.5 inches
Seat Height: 32 inches
Front Tire: 3.25-19
Rear Tire: 4.00-18
Front Brakes: Dual hydraulic discs 1.38 x 10.24 inches
Rear Brakes:
Front Suspension: Telescopic fork
Rear Suspension: Swing arm, twin shocks with adjustable preload
Instrumentation: Speedometer with odometer, tachometer, clock, warning lights
ENGINE
Engine Type: Opposed twin
Engine Displacement: 898
Bore x Stroke: 90 x 70.6
Valve Train: OHV
Valves per Cylinder: 2
Valve Adjustment: Every 5,000 miles
Compression: 9.5:1
Carburation: Dual 38mm Dell'Orto
Ignition: Battery
Starting System: Electric, kick
Lubrication: High Pressure Circulating Lubrication System Using an Eaton Trochoid Gear Type Pump Driven from the Camshaft
Cooling System: Air
WEIGHT AND FUEL ECONOMY
Dry Weight: n/a
Wet Weight: 486 lbs
Load Capacity: n/a
GVWR: 877 lbs
Fuel Capacity: 6.29gal
Average MPG: 45
Gallons to Reserve: 6.24
Range to Reserve: 280 miles
TRANSMISSION
Clutch: Single Dry Plate
Number of Gears: 5
Final Drive: Shaft drive, crown wheel and pinion
PERFORMANCE
Charging Output: 280

Battery: 12V 25AH
Power: 67hp @ 7,000rpm
Torque: 55ft/lb @ 5,500rpm
Top Speed: 123mpg
RPM @ 60: 4,800RPM
Standing 1/4: 13.05sec @ 103mph
0-60: 5.70sec

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