1984 BMW R80ST Unknown

1984 BMW R80ST. Rare bike, only 5,963 produced. , , In the past year the following have been replaced with new parts: Headlight Lens and reflector, Instrument Surrounds, Stainless Steel Front Brake Line, Front Brake Rotor, Front Brake Pads and Rear Shoes, Tires with less than 500 miles, Stainless Steel Header Pipes and Collector Box, Seat cover, Coil, Controller module, Hall Effect Canster (Alpha Ignition System), Clutch Cable, Carb Cables, Mirrors, and the Drive Shaft Boot., , The following maintenance items have been performed: Rebuilt Caliper, Rebuild Front Forks with New Seals and Gaiters, Rebuild Carbs with New Diaphrams, Front Wheel Bearings, Resealed Cylinders and Push Rod Tubes, Clutch Splines Lubed, Resealed Rear End, Air Filter, Battery, and Swing Arm Bearings., , Engine, Motor Type: Four-stroke two cylinder horizontally opposed Boxer engine, air cooled, Bore x Stroke: 84.8 x 70.6 mm (3.33 x 2.77 in), Displacement: 797.5 cc, Max Power: 50 hp (37 KW) at 6,500 rpm, Max Torque: 56.7 Nm - 41 ft lb at 5,000 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 Lubricating System: 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), Gearbox 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 System: Contact free electronic ignition (Bosch), Alternator: Bosch 280 W, Starter: Bosch 0.7 Kw, Spark Plugs: Bosch W 7 D - Beru14-7D - Champion N10Y, , Chassis, Type of Frame: Double loop tubular frame with bolt on rear section, Front wheel suspension: Telescopic fork with hydraulic shock absorber, Rear wheel suspension: BMW Monolever swinging arm, Spring Travel Front-Rear: 175 - 153 mm (6.88 x 6.02 in), Wheel Rims, Front: 1.85 B 19, Wheel Rims, Rear: 2.50 B 18, Tyres, Front: 100-90 H 19, Tyres, Rear: 120-90 H 18, Brakes, Front: Single disc brake 260 mm - 10.23 in diameter. Brembo 2 piston caliper, Brakes, Rear: Simplex drum brake 200 mm - 7.87 in diameter, , Dimensions-Weights, Length x Width x Height: 2180 x 790 x 1150 mm (85.82 x 31.10 x 45.27 in), Wheel Base: 1446 mm - 56.92 in, Fuel Tank Capacity: 19 litres - 4.17 gal - 5.01 gal US, Unladen Weight with Full Tank: 198 Kg - 436 lb, Max. Permissible Weight: 398 Kg - 876 lb, Ground Clearance: 170 mm - 6.69 in, Seat Height (Unladen): 845 mm (33.3 inches), Fuel Consumption: 5.0 litres 100 Km (at constant 90 Kph) - 47 mpg US or 56 mpg - 47 mpg US, Top Speed: 174 Kph - 108 mph, Acceleration 0 - 100 Kph - 62 mph: 5.6 seconds