Model: R 65 LS
Production  
Engine  
Power transmission  
Electrical System  
Chassis  
Dimensions/Weights  
     
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Production
Begin of Production   1981
End of Production   1985
Number Sold   6.389
Price   8.955,- DM
Engine
Motor Type   four-stroke, two-cylinder, horizontally-opposed "Boxer" engine, air-cooled
Bore x Stroke   82 x 61,5 mm
Cubic Capacity   649,6 ccm
Max Power   50 hp (37 KW) at 7250 rpm
Max Torque   52,3 Nm at 6500 rpm
Compression Ratio   9.2 : 1
Valves per Cylinder   2
Valve Control   ohv, using push rod and rocker arm
Carburation System   2 constant depression carburettors, Bing 64/32/307-64/32/308
Engine Lubrication   wet sump
Power Transmission
Clutch   dry single plate, with 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 : 3.44
Bevel / Crownwheel   9 / 31 teeth
Electrical System
Ignition   battery ignition
Alternator   Bosch 280 W
Starter   Bosch 0.7 kW
Spark Plugs   Bosch W 5 D/Beru 14-5D/Champion N 6 Y
Chassis
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   175 / 110 mm
Rims front   1.85 B 18
Rims rear   2.50 B 18
Tyres front   3.25 S 18
Tyres rear   4.00 S 18
Brakes front   single disc brake 260 mm dia
Brakes rear   simplex drum brake 200 mm dia
Dimensions/Weights
Length x Width x Height   2110 x 688 x 1080 mm
Wheel Base   1400 mm
Tank Capacity   22 l
Unladen Weight, full Tank   207 kg
Max permissible Weight   398 kg
Ground Clearance   130 mm
Fuel Consumption   4,6 l/100 km (at constant 90 kph)
Top Speed   175 kph
Acceleration 0-100 kph   5,8 sec