1980 BMW R80 G/S
| 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 56.7 Nm / 41 ft lb @ 5000 rpm 2 constant depression carburettors, Bing V 64/32/305 - 64/32/306 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 2230 mm (87.79 inches) 820 mm (32.28 inches) 1150 mm (45.27 inches) 1465 mm (57.67 inches) 860 mm (33.90 inches) 175 mm (6.88 inches) 186 kg 19.5 litres Telescopic fork with hydraulic shock absorber BMW Monolever swinging arm 3.25 x R19S 4.00 x R18S Single disc brake 260 mm / 10.23 in diameter. Brembo 2 piston caliper Simplex drum brake 200 mm / 7.87 in diameter |
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