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) |
| Horse Power | 50.02 HP (37.3 KW) @ 6500RPM |
| Torque | 42.78 ft/lbs (58.0 Nm) @ 5000RPM |
| Battery | 8.2:1 |
| Transmission | Gear box: 5-speed, manual 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) |
| Dimensions | L 85.79 inches (2179 mm) W 31.1 inches (790 mm) |
| Seat height | 33.31 inches (846 mm) |
| Weight | (dry), 198.0 kg (wet) |
| Fuel capacity | 1.32 Gallon (5.00 Liters) |
| Manuals | Service Manual |
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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
The 1983 MY BMW R 80 ST has, at its heart, 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.