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BMW R80R Specifications

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Start of Production

1991

BMW R80R

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End of Production

1994

Numbers Produced

3,593

Price

13,250 DM

Engine

 

Motor Type

Four-stroke two cylinder horizontally opposed "Boxer" engine, air cooled

Bore x Stroke

84.8 x 70.6 mm (3.33 x 2.77 in)

Displacement

797.5 cc

Max Power

50 hp (37 KW) at 6,500 rpm, 34 hp (25 Kw) at 6,000 rpm or 27 hp (20Kw) at 5,500 rpm

Max Torque

61 Nm / 44 ft lb at 3,750 rpm, 50 Nm / 36 ft lb at 3,750 rpm or 45 Nm / 33 ft lb at 3,500 rpm

Compression Ratio

8.2 : 1

Valves Per Cylinder

2

Valve Control

OHV, using push rod and rocker arm

Carburation System

2 constant depression carburettors, Bing V 64/32/349 -  64/32/350

Engine Lubricating System

Wet sump

Power Transmission

 

Clutch

Dry single plate, with lever action diaphragm spring

Number of Gears

5

Gear Selection

Dog type gearbox (ratchet foot lever)

Gearbox Ratios

4.4 / 2.86 / 2.07 / 1.67 / 1.50

Rear Wheel Ratio

1 : 3.20

Bevel/Crownwheel

10 / 32 teeth

Electrical System

 

Ignition System

Contact free electronic ignition (Bosch)

Alternator

Bosch 240 W

Starter

Bosch 0.7 Kw

Spark Plugs

Bosch W 7 DC / Beru 14-7 DU

Chassis

 

Type of Frame

Double loop tubular frame with bolt on rear section

Front wheel suspension

Telescopic fork with hydraulic shock absorber

Rear wheel suspension

BMW Paralever swinging arm

Spring Travel Front/Rear

135 / 135 mm (5.31 x 5.31 in)

Wheel Rims, Front

2.50 x 18 MTH 2

Wheel Rims, Rear

2.50 x 17 MTH 2

Tyres, Front

110 / 80 V 18

Tyres, Rear

140/80 V 17

Brakes, Front

Single disc brake 285 mm / 11.22 i diameter. Brembo 4 piston caliper

Brakes, Rear

Simplex drum brake 200 mm / 7.87 in diameter

Dimensions/Weights

 

Length x Width x Height

2210 x 1000 x 1190 mm (87.00 x 39.37 x 46.85 in)

Wheel Base

1495 mm / 58.85 in

Fuel Tank Capacity

24 litres / 5.27 gal / 6.34 gal US

Unladen Weight with Full Tank

217 Kg / 477 lb

Max. Permissible Weight

420 Kg / 925 lb

Ground Clearance

200 mm / 7.87 in

Seat Height (Unladen)

800 mm (31.5 inches)

Fuel Consumption

4.7 litres or 4.5 litres100Km (at constant 90 Kph) / 60 mpg / 50 mpg US

Top Speed

168 Kph / 104 mph, 148 Kph / 91 mph or 145 Kph / 90 mph

Acceleration 0 - 100 Kph / 62 mph

6.0, 8.6 or 9.5 seconds