BMW R80GS (1987)

Technical Specifications
1987 BMW R80GS (1987)

Engine Engine type Bore x Stroke Displacement Valves Compression ratio Max Power Max Torque Fuel system Transmission Final drive Clutch Ignition type Starting system Lubrication Exhaust Spark plug Generator Gear ratios

Four-stroke two cylinder horizontally opposed "Boxer" engine, air cooled 84.8 x 70.6 mm (3.33 x 2.77 inches) 797.5 cc 2 valves per cylinder; OHV, using push rod and rocker arm 8.2:1 50 hp (37 KW) @ 6500 rpm  61 Nm / 44 ft lb @ 3750 rpm 2 constant depression carburettors, Bing  64/32/349 -  64/32/350 5-speed; Dog type gearbox (ratchet foot lever) Cardan Dry single plate, with lever action diaphragm spring Contact free electronic ignition (Bosch) Electric starter Wet sump Bosch W 7 D / Beru14-7D / Champion N10Y Bosch 12 V/280 W 4.4 / 2.86 / 2.07 / 1.67 / 1.50

Dimensions Frame type Castor Overall length Overall width Overall height Wheelbase Seat height Ground clearance Dry weight Fuel capacity Colors Suspension (front) Suspension (rear) Tyre (front) Tyre (rear) Brake (front) Brake (rear)

Double loop tubular frame with bolt on rear section 2290 mm (90.15 inches) 1000 mm (39.37 inches) 1165 mm (45.86 inches) 1514 mm (59.60 inches) 850 mm (33.50 inches) 200 mm (7.87 inches) 210 kg 24 litres Telescopic fork with hydraulic shock absorber BMW Monolever swinging arm 90 / 90 x R21 S 130 / 80 x R17 S Single disc brake 285 mm / 11.22 in diameter. Brembo 2 piston caliper Simplex drum brake 200 mm / 7.87 in diameter

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