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Also called R 65 GS
Production 1987 - 1991
Class Road
two cylinder boxer, four-stroke
Bore / Stroke 82.0mm x 61.5mm
Compression ratio 8.4:1
Top Speed 91 mph (146 km/h)
Horsepower 26.42 HP (19.7 KW) @ 5500RPM
Torque 33.19 ft/lbs (45.0 Nm) @ 6000RPM
Transmission Gear box: 5-speed

Final Drive: shaft drive (cardan)

Clutch: dry, single plate
Suspension Front: telescopic fork
Rear: Monolever
Brakes Front: single disc
Rear: expanding brake
Front Tire 3.00-21
Rear Tire 4.00-18
Weight 198.0 kg (wet)
Fuel Capacity 5.15 Gallon (19.50 Liters)
Manuals Service Manual

The BMW R65GS was a two cylinder boxer, four-stroke Road motorcycle produced by BMW between 1987 and 1991. It could reach a top speed of 91 mph (146 km/h). Max torque was 33.19 ft/lbs (45.0 Nm) @ 6000 RPM. Claimed horsepower was 26.42 HP (19.7 KW) @ 5500 RPM.


The engine was a air cooled two cylinder boxer, four-stroke. A 82.0mm bore x 61.5mm stroke result in a displacement of just 650.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).


The bike has a 5-speed transmission. Power was moderated via the dry, single plate.


It came with a 3.00-21 front tire and a 4.00-18 rear tire. Stopping was achieved via single disc in the front and a expanding brake in the rear. The front suspension was a telescopic fork while the rear was equipped with a Monolever. The R65GS was fitted with a 5.15 Gallon (19.50 Liters) fuel tank.

1987 BMW R 65 GS[edit]

1987 BMW R 65 GS

The 1987 MY BMW R 65 GS is a versatile dual-road motorcycle, suitable for those riders who want to explore as much as their surrounding environment as possible. At its heart lies an air-cooled, four-stroke, 649cc, boxer twin cylinder powerhouse mated to a five-speed manual transmission, and can reach a maximum power output of 45 horsepower and 45 Nm of torque.

In addition, it boasts standard fittings such as laced wheels, knobby tires, a dual seat, a rear luggage rack, passenger grab rails, a telescopic front fork, a Monolever rear suspension, a front disc brakes coupled to a rear drum, a small fairing and an analogue instrument cluster.