BMW R80ST

BMW R80ST
Manufacturer	BMW
Also called	R 80 ST
Production	1982 - 1984
Class	Naked
Engine	air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylidner
Bore / Stroke	83.8mm x 83.8mm
Compression ratio	9.2:1
Top Speed	107 mph (172 km/h)
Horsepower	50.02 HP (37.3 KW) @ 6500RPM
Torque	42.78 ft/lbs (58.0 Nm) @ 5000RPM
Spark Plug	NGK BP6ES
Battery	YUASA 51814
Transmission	Gear box: 5-speed, manual Clutch: dry, single plate, diaphragm spring
Final Drive	Shaft
Suspension	Front: telescopic fork Rear: Monolever
Brakes	Front: single 285mm disc, 1-piston caliper Rear: 200mm drum
Front Tire	100/90-H19
Rear Tire	120/90-H18
Wheelbase	56.89 inches (1445 mm)
Length	85.79 inches (2179 mm)
Width	31.1 inches (790 mm)
Seat Height	33.31 inches (846 mm)
Weight	198.0 kg (wet)
Oil Filter	K&N KN-161
Fuel Capacity	1.32 Gallon (5.00 Liters)
Manuals	Service Manual

The BMW R 80 ST was a air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylidner Naked motorcycle produced by BMW between 1982 and 1984. It could reach a top speed of 107 mph (172 km/h). Max torque was 42.78 ft/lbs (58.0 Nm) @ 5000 RPM. Claimed horsepower was 50.02 HP (37.3 KW) @ 6500 RPM.

Engine

The engine was a air cooled air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylidner. A 83.8mm bore x 83.8mm stroke result in a displacement of just 797.0 cubic centimeters. Fuel was supplied via a overhead valves (ohv).

Drive

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

Chassis

It came with a 100/90-H19 front tire and a 120/90-H18 rear tire. Stopping was achieved via single 285mm disc, 1-piston caliper in the front and a 200mm drum in the rear. The front suspension was a telescopic fork while the rear was equipped with a Monolever. The R 80 ST was fitted with a 1.32 Gallon (5.00 Liters) fuel tank. The wheelbase was 56.89 inches (1445 mm) long.

1982 BMW R 80 ST

The 1982 MY BMW R 80 ST addresses those riders who want a solid road under their wheels, and is loosely-based on the successful GS, but with minor tweaks and a few other parts that make it a better road bike then the all-road version ever could ever dream of being. It has been fitted with a more comfortable dual seat, new wheels and tires, shorter forks and rear shock, more instrumentation, lower handlebars and a set of crash guards.

In the engine department it sports an air-cooled, four-stroke, 797cc, boxer twin cylinder powerplant paired to a five-speed manual transmission that can produce a claimed 50 horsepower and 58 Nm of torque.

1983 BMW R 80 ST

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  1983 BMW R80/ST

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  1983 BMW R80/ST

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  1983 BMW R80/ST

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  1983 BMW R80/ST

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  1983 BMW R80/ST

The 1983 MY BMW R 80 ST featured an air-cooled, four-stroke, 797cc, boxer twin cylinder powerhouse mated to a five-speed manual transmission that can produce a claimed 50 horsepower and 51 Nm of torque.

This naked middle-weight also comes with a dual seat, passenger grab rails, laced wheels, a Monolever rear suspension unit coupled to a front telescopic hydraulic fork, a single front disc brake, a 200mm rear drum, an analogue instrument cluster, a dual exhaust system and a blacked-out, steel frame.

1984 BMW R 80 ST

The 1984 MY BMW R 80 ST is a naked machine that boats standard fittings such as a dual seat, passenger grab rails, laced wheels, a Monolever rear suspension unit coupled to a front telescopic hydraulic fork, a single front disc brake, a 200mm rear drum, an analogue instrument cluster, a dual exhaust system and a blacked-out, steel frame.

In addition, it boasts a maximum power output of 50 horsepower and 58 Nm of torque from its air-cooled, four-stroke, 797cc, boxer twin cylinder powerhouse.

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