BMW R80R (1991)

Technical Specifications
1991 BMW R80R
Engine
Engine type
Bore x Stroke
Displacement
Valves
Compression ratio
Max Power
Max Torque
Fuel system
Transmission
Final drive
Clutch
Ignition type
Starting system
Lubrication
Exhaust
Spark plug
Alternator
Gear ratios

Four-stroke two cylinder horizontally opposed "Boxer" engine, air cooled
84.8 x 70.6 mm (3.33 x 2.77 inches)
797.5 cc
2 valves per cylinder; OHV, using push rod and rocker arm
8.2:1
50hp (37kW) @ 6500 rpm, 34hp (25Kw) @ 6000 rpm or 27hp (20Kw) @ 5500 rpm
61Nm/44 ft lb @ 3750 rpm, 50Nm/36 ft lb @ 3750 rpm or 45Nm/33 ft lb @ 3500 rpm
2 constant depression carburettors, Bing V 64/32/349 -  64/32/350
5-speed; Dog type gearbox (ratchet foot lever)
Cardan
Dry single plate, with lever action diaphragm spring
Contact free electronic ignition (Bosch)
Electric starter
Wet sump

Bosch W 7 DC / Beru 14-7 DU
Bosch 240 W
4.4 / 2.86 / 2.07 / 1.67 / 1.50
Dimensions
Frame type
Castor
Overall length
Overall width
Overall height
Wheelbase
Seat height
Ground clearance
Dry weight
Fuel capacity
Colors
Suspension (front)
Suspension (rear)
Tyre (front)
Tyre (rear)
Brake (front)
Brake (rear)

Double loop tubular frame with bolt on rear section

2210 mm (87.00 inches)
1000 mm (39.37 inches)
1190 mm (46.85 inches)
1495 mm (58.85 inches)
800 mm (31.50 inches)
200 mm (7.87 inches)
217 kg
24 litres

Telescopic fork with hydraulic shock absorber
BMW Paralever swinging arm
110 / 80 V R18
140/80 V R17
Single disc brake 285 mm / 11.22 i diameter. Brembo 4 piston caliper
Simplex drum brake 200 mm / 7.87 in diameter

Image: http://www.motoshistoricas.com/r80r.html
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