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BMW R 80R

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Make Model

BMW R 80R

Year

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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The BMW R 80R Roadster was produced from 1991 to 1994.  It was powered by a four-stroke, air-cooled, 797cc, boxer twin cylinder engine coupled to a shaft driven 5-speed gearbox.

R 80R is a mid-class naked machine that boasts features such as a front disc brake coupled to a rear drum, die-cast aluminium wheels, a dual seat, passenger grab rails, a dual exhaust system, a large-capacity 24-liter (6.3-gallon) fuel tank, engine guards, a small windscreen, an analogue instrument cluster and a suspension package composed of a telescopic front fork and a BMW Motorrad Paralever unit in the rear.