1991 BMW R 80R technical specifications

Technical specifications

Model: R 80R
Years: 1991-94
Engine: Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Capacity: 797.5 cc / 48.7 cu-in
Bore x Stroke: 84.8 x 70.6 mm
Cooling System: Air cooled
Compression Ratio: 9.2:1
Induction: 2 x Bing constant depression carburetors
Ignition: Battery ignition
Alternator: Bosch 12 V/280 W
Spark Plug: Bosch W 7 DC / Beru 14-7 DU
Starting: Electric
Max Power: 37 kW / 50 hp @ 6500 rpm
Max Torque: 61 Nm / 6.2 kgf-m / 44 ft lb @ 3750 rpm
Clutch: Dry single plate, with diaphragm spring
Transmission: 5 Speed
Final Drive: Shaft
Gear Ratio: 1st 4.4 2nd 2.86 3rd 2.07 4th 1.67 5th 1.50 : 1
Rear Wheel Ratio: 1:3.20 or 1:3.36
Frame: Double loop tubular frame with bolt on rear section
Front Suspension: Telescopic hydraulic forks.
Front Wheel Travel: 135 mm / 5.3 in
Rear Suspension: BMW Paralever swinging arm
Rear Wheel Travel: 135 mm / 5.3 in
Front Brakes: Single 285mm disc, 1 piston caliper
Rear Brakes: 200mm Drum
Front Wheel: MTH 2.50 x 18 E
Rear Wheel: MTH 2.50 x 18 E
Front Tyre: 110/80 V18
Rear Tyre: 140/80 V17
Dimensions: Length 2210 mm / 87.0 in Width 1000 mm / 39.3 in Height 1190 mm / 46.8 in
Wheelbase: 1495 mm / 58.85 in
Ground Clearance: 140 mm / 5.51 in
Seat Height: 800 mm / 31.5 in
Wet Weight: 217 Kg / 477 lbs
Fuel Capacity: 24 liters / 6.27 gal

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