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R 80 R

R 80 R
. Data sheet
. Back to Models
Production
Begin of Production 1992
End of Production 1994
Number Sold 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
Cubic Capacity 797,5 ccm
Max Power 50 hp (37 KW) at 6500 rpm [34 hp (25 KW) 6000 rpm or 27 hp (20 KW) 5500 rpm]
Max Torque 61 Nm [50 Nm or 45 Nm] at 3750 rpm [3750 rpm or 3500 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 64/32/349-64/32/350
Engine Lubrication 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)
Gear Ratios 4.4 / 2.86 / 2.07 / 1.67 / 1.50 :1
Rear Wheel Ratio 1 : 3.20
Bevel / Crownwheel 10 / 32 teeth
Electrical system
Ignition 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 Suspension telescopic fork with hydraulic shock absorber
Rear Suspension BMW Paralever swinging arm
Spring Travel front/rear 135 / 135 mm
Rims front 2.50-18 MTH 2
Rims rear 2.50-17 MTH 2
Tyres front 110/80-V18
Tyres rear 140/80-V17
Brakes front single disc brake 285 mm dia
Brakes rear simplex drum brake 200 mm dia
Dimensions / Weights
Length x Width x Height 2210 x 1000 x 1190 mm
Wheel Base 1495 mm
Tank Capacity 24 l
Unladen Weight, full Tank 217 kg
Max permissible Weight 420 kg
Ground Clearance 200 mm
Fuel Consumption 4,7 l/100 km [4,5 l/100 km] (at constant 90 kph)
Top Speed 168 kph [148 kph resp. 145 kph]
Acceleration 0-100 kph 6,0 sec [8,6 sec resp. 9,5 sec]
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