1971 BMW R-Series

Clear

UP FOR SALE IS A GREAT RUNNING 71 BMW MOTORCYCLE. THE ENTIRE FUEL SYSTEM HAS BEEN GONE THROUGH. INCLUDES 2 BRAND NEW CARBURETORS, NEW FUEL LINES, TANK HAS BEEN DE-RUSTED AND RELINED. THIS IS A GREAT RUNNING PROJECT FOR SOMEONE WHO WANTS A BIKE THEY CAN RIDE AND ENJOY AS THEY PUT IT BACK TO PRISTINE CONDITION. THERE ARE SOME SCRATCHES AND A SMALL DENT ON THE FUEL TANK. TIRES HOLD AIR BUT ARE OLD. MOTORCYCLE HAS BEEN SITTING UP IN A SHED FOR MANY YEARS BEFORE RECENT WORK. NEW SPARK PLUGS, NEW PLUG WIRES, NEW BATTERY. PLEASE LOOK AT THE PICTURES AND FEEL FREE TO ASK ANY QUESTIONS YOU MAY HAVE. IF LOCAL PLEASE COME BY AND LOOK AT AND TEST DRIVE. I HAVE ATTACHED SPEC SHEET BELOW. Engine Typefour-stroke, two-cylinder, horizontally-opposed "Boxer" engine, air-cooled Bore/stroke82 x 70.6 mm Cubic capacity745 cm3 (45 in.3) Max power50 HP / 36.8 kW at 6200 rpm Max torque 43 ft. lbs. / 60 Nm at 5000 rpm Compression ratio9.0 : 1 Valves per cylinder2 Valve controlohv, using push rod and rocker arm Carburation system2 constant depression carburetors Engine lubricationwet sump Power Transmission Clutchdry single plate, with diaphragm spring Number of gears4 shifting dog-type gearbox (ratchet foot lever) Gear ratios3.896 / 2.578 / 1.875 / 1.50 : 1 Rear wheel ratio 1 : 3.2 Bevel/crown wheel10 / 32 teeth Electrical System AlternatorBosch 12 V / 180 W Ignitionbattery ignition StarterBosch 0.5 PS Spark plugsBosch W 230 T 30 / Beru 230/14/3 A / Champion N 7 Y Suspension Type of framedouble-loop tubular frame with bolt-on rear section Front suspensiontelescopic fork with hydraulic shock absorber Rear suspensionlong swinging arm with strut Spring travel208 / 125 mm Rims front1.85 B 19 Rims rear1.85 B 18 or 2.15 B 18 Tires front3.25 S 19 Tires rear4.00 S 18 Brakes frontDuplex-drum brake Ø 200 mm Brakes rearSimplex drum brake Ø 200 mm Dimensions and Weights Length x width x height 83 x 33 x 41 inches / 2100 x 850 x 1040 mm (1973 LWB: 85 x 33 x 41 inches or 2150 x 850 x 1040 mm) Wheel base 54.5 inches / 1385 mm (1973 LWB: 56.5 inches or 1435 mm) Ground clearance6.5 inches / 165 mm ( at 165 lbs. or 75 kg load) Tank capacity6.3 gals. / 24 liters (from 1971: 4.5 gals. or 17 liters) Unladen weight, full tank 463 lbs. / 210 kg (from 1971: 452 lbs. or 205 kg) Max permissible weight877 lbs. / 398 kg Performance Fuel consumption52.3 MPG (4.5 liters / 100 km) at constant 90 km/h or 56 mph Acceleration0-100 km/h (0-62 mph) at 6.4 seconds Top speed109 mph / 175 km/h