BMW R 90/6

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BMW R 90/6. Begin of Production. 1973. End of Production. 1976. Engine. Motor Type four-stroke, two-cylinder, horizontally-opposed Boxer engine, air-cooled.
  

Engine

Power transmission

Electrical system

Chassis

Dimensions and weights

Begin of Production End of Production Motor Type Bore Stroke Cubic Capacity Max Power Rpm (Max Power) Max Torque Rpm (Max Torque) Compression Ratio Valves per Cylinder Valve Control Carburation System Engine Lubrication Clutch Number of Gears Gear Selection Gear Ratios Rear Wheel Ratio Bevel/Crownwheel Ignition Alternator Starter Spark Plugs Type of Frame Front Suspension Rear Suspension Spring Travel front/rear Rims front Rims rear Tyres front Tyres rear Brakes front Brakes rear Length

1973 1976 four-stroke, two-cylinder, horizontally-opposed Boxer engine, air-cooled 90 mm 70,6 mm 898 ccm 60 hp (44,1 KW) 6500 rpm 73 Nm 5500 rpm 9.0:1 2 ohv, using push rod and rocker arm 2 constant depression carburettors, Bing 64/32/11-12 wet sump dry single plate, with diaphragm spring 5 dog-type gearbox (ratchet foot lever) 4.4/2.86/2.07/1.67/1.50:1 1:3.09 or 1:3.2 11/34 teeth or 10/32 teeth battery ignition Bosch 12 V/280 W Bosch 0.5 hp Bosch W 200 T 30/Beru 200/14/3 A/Champion N 7 Y double-loop tubular frame with bolt-on rear section telescopic fork with hydraulic shock absorber long swinging arm with adjustable strut 208 / 125 mm 1.85 B 19 2.15 B 18 3.25 H 19 4.00 H 18 single disc brake 260 mm dia simplex drum brake 200 mm dia 2180 mm

Width Height Wheel Base Ground Clearance Tank Capacity Unladen Weight, full Tank Max permissible Weight Fuel Consumption Acceleration 0-100 kph Top Speed Number Sold Price

740 mm 1080 mm 1465 mm 165 mm 18 l (optional 22 tank at extra charge) 210 kg 398 kg 5,5 l/100 km (at constant 90 kph) 5,2 sec 188 kph 21.097 7.620,- DM