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R 80 RT

R 80 RT
. Data sheet
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Begin of Production 1982
End of Production 1984
Number Sold 7.315
Price 10.990,- DM
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
Max Torque 59 Nm at 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 V 64/32/305-64/32/306
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 : 3.36
Bevel / Crownwheel 11 / 37 teeth
Electrical system
Ignition Contact-free electronic ignition (Bosch)
Alternator Bosch 280 W
Starter Bosch 0.7 kW
Spark Plugs Bosch W 7 D/Beru 14-7D/Champion N 10 Y
Type of Frame double-loop tubular frame with bolt-on rear section
Front Suspension telescopic fork with hydraulic shock absorber
Rear Suspension long swinging arm with adjustable strut
Spring Travel front/rear 200 / 125 mm
Rims front 2.15 B 19
Rims rear 2.50 B 18
Tyres front 3.25 H 19
Tyres rear 4.00 H 18
Brakes front single disc brake 260 mm dia
Brakes rear simplex drum brake 200 mm dia
Dimensions / Weights
Length x Width x Height 2210 x 746 x 1465 mm
Wheel Base 1465 mm
Tank Capacity 24 l
Unladen Weight, full Tank 235 kg
Max permissible Weight 440 kg
Ground Clearance 130 mm
Fuel Consumption 5,5 l/100 km (at constant 90 kph)
Top Speed 161 kph
Acceleration 0-100 kph 7,1 sec
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