1973 BMW R-Series

Clear

BMW R60/5 Specifications Start of Production 1969 End of Production 1973 Numbers Produced 22,721 Price 3,996 DM Engine Motor Type Four-stroke two cylinder horizontally opposed "Boxer" engine, air cooled Bore x Stroke 73.5 x 70.6 mm (2.89 x 2.77 in) Displacement 599 cc Max Power 40 hp (29.5 KW) at 6,400 rpm Max Torque 49 Nm / 36 ft lb at 5,000 rpm Compression Ratio 9.2 : 1 Valves Per Cylinder 2 Valve Control OHV, using push rod and rocker arm Carburation System 2 slide carburettors, Bing 1/26/111 - 1/26/112 Engine Lubricating System Wet sump Power Transmission Clutch Dry single plate, with diaphragm spring Number of Gears 4 Gear Selection Dog type gearbox (ratchet foot lever) Gearbox Ratios 3.896 / 2.578 / 1.875 / 1.50 : 1 Rear Wheel Ratio 1: 3.6 Bevel/Crownwheel 11 / 37 teeth Electrical System Ignition System Battery ignition Alternator Bosch 12 V/180 W Starter Bosch 0.5 hp Spark Plugs Bosch W 230 T 30 / Beru 230/14/3 A / Champion N7Y Chassis Type of Frame Double loop tubular frame with bolt on rear section Front wheel suspension Telescopic fork with hydraulic shock