BMW R80G/S

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BMW R80 G/S
Manufacturer
BMW
Also called R 80 G/S
Production 1879 - 1986
Class Road
Engine
air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder
Bore / Stroke 83.8mm x 83.8mm
Compression ratio 9.2:1
Top Speed 167 km/h / 104 mph
Horsepower 50.02 HP (37.3 KW) @ 6500RPM
Torque 42.04 ft/lbs (57.0 Nm) @ 5000RPM
Spark Plug Bosch W 7 D / Beru14-7DU / Champion N9YC
Transmission Gear box: 5-speed, manual

Final Drive: shaft

Clutch: dry, single plate, diaphragm spring
Suspension Front: telescopic fork
Rear: Monolever
Brakes Front: single 260mm disc
Rear: 200mm drum
Front Tire 3.00 - 21
Rear Tire 4.00 - 18
Wheelbase 57.72 inches (1466 mm)
Length 87.72 inches (2228 mm)
Width 32.28 inches (820 mm)
Seat Height 33.9 inches (861 mm)
Weight 186.0 kg (wet)
Fuel Capacity 1.32 Gallon (5.00 Liters)
Manuals Service Manual

The BMW R 80 G/S was a air-cooled, four-stroke, boxer twin cylinder, 2 valves per cylinder Road motorcycle produced by BMW between 1879 and 1986. Max torque was 42.04 ft/lbs (57.0 Nm) @ 5000 RPM. Claimed horsepower was 50.02 HP (37.3 KW) @ 6500 RPM.

Engine[edit | edit source]

A 83.8mm bore x 83.8mm stroke result in a displacement of just 797.0 cubic centimeters.

Drive[edit | edit source]

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

Chassis[edit | edit source]

It came with a 3.00 - 21 front tire and a 4.00 - 18 rear tire. Stopping was achieved via single 260mm disc 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 G/S was fitted with a 1.32 Gallon (5.00 Liters) fuel tank. The wheelbase was 57.72 inches (1466 mm) long.

1879 - 1980 BMW R 80 G/S[edit | edit source]

The 1980 MY BMW R 80 G/S is an all-road, powerful machine from the House of Munich, suitable for the more adventurous among riders. It comes with features such as laced wheels, a dual seat, a small luggage rack in the rear, pillion grab rails, an analogue instrument cluster, a blacked-out, steel frame, a telescopic front fork and a Monolever rear suspension.

In the engine department it sports an air-cooled, four-stroke, 797cc, boxer twin cylinder powerplant mated to a five-speed manual transmission, and can produce a claimed 50 horsepower and 57 Nm of torque.


1981 BMW R 80 G/S[edit | edit source]

1981 BMW R 80 G/S

The 1981 MY BMW R 80 G/S addresses those riders who want to explore as much of their surroundings as possible, whether on or off the road. It has, at its heart, an air-cooled, four-stroke, 797cc, boxer twin cylinder powerplant paired to a five-speed manual transmission that can reach a maximum power output of 50 horsepower and 57 Nm of torque.

Standard fittings include laced wheels, a dual seat, a small luggage rack in the rear, pillion grab rails, an analogue instrument cluster, a blacked-out, steel frame, a telescopic front fork and a Monolever rear suspension, plus a braking system composed of a front disc and a rear drum.


1982 BMW R 80 G/S[edit | edit source]

The 1982 MY BMW R 80 G/S sports a four-stroke, air-cooled, 797cc, boxer twin cylinder engine mated to a five-speed manual transmission and can produce a claimed 50 horsepower and 57 Nm of torque. Also, it boasts features such as laced wheels, a dual seat, a small luggage rack in the rear, pillion grab rails, an analogue instrument cluster, a blacked-out, steel frame, a telescopic front fork and a Monolever rear suspension, plus a braking system composed of a front disc and a rear drum.


1983 BMW R 80 G/S[edit | edit source]

1983 BMW R 80 G/S 1983 BMW R 80 G/S 1983 BMW R 80 G/S 1983 BMW R 80 G/S 1983 BMW R 80 G/S

The House of Munich has launched yet another embodiment of its R 80 G/S, especially for those riders who want to ride as much as possible, on and off the road alike. It comes with laced wheels, a dual seat, a small luggage rack in the rear, pillion grab rails, an analogue instrument cluster, a blacked-out, steel frame, a telescopic front fork and a Monolever rear suspension, plus a braking system composed of a front disc and a rear drum.

In addition, it boasts a maximum power output of 50 horsepower and 57 Nm of torque from its four-stroke, air-cooled, 797cc, boxer two cylinder powerplant, mated to a five-speed manual transmission.


1984 BMW R 80 G/S[edit | edit source]

If you are on the market for a powerful, all-purpose two-wheeler, then the 1984 MY BMW R 80 G/S may be the right choice for you. It has, at its heart, a four-stroke, air-cooled, 797cc, boxer twin cylinder powerplant paired to a five-speed manual transmission and can reach a maximum power output of 50 horsepower and 57 Nm of torque.

In addition, it also boasts standard fittings such as laced wheels, a dual seat, a small luggage rack in the rear, pillion grab rails, an analogue instrument cluster, a blacked-out, steel frame, a telescopic front fork and a Monolever rear suspension, plus a braking system composed of a front disc and a rear drum.


1985 BMW R 80 G/S[edit | edit source]

The 1985 MY BMW R 80 G/S comes with laced wheels, a dual seat, a small luggage rack in the rear, pillion grab rails, an analogue instrument cluster, a blacked-out, steel frame, a telescopic front fork and a Monolever rear suspension, plus a braking system composed of a front disc and a rear drum.

In the engine department, it sports an air-cooled, four-stroke, 797cc, boxer twin cylinder powerhouse mated to a five-speed manual transmission, that produces a claimed 50 horsepower and 57 Nm of torque.


1986 BMW R 80 G/S[edit | edit source]

1986 BMW R 80 G/S 1986 BMW R 80 G/S

The 1986 MY BMW R 80 G/S sports an air-cooled, four-stroke, 797cc, boxer two cylinder powerplant paired to a five-speed manual transmission, and can reach a maximum power output of 50 horsepower and 57 Nm of torque. This machine has been designed by the German engineers to tackle both paved and unpaved roads, and is suitable for the adventurous among Beemer fans.

Standard fittings for this two-wheeler include laced wheels, a dual seat, a small luggage rack in the rear, pillion grab rails, an analogue instrument cluster, a blacked-out, steel frame, a telescopic front fork and a Monolever rear suspension, plus a braking system composed of a front disc and a rear drum.


In Media[edit | edit source]



Overview[edit | edit source]

Make Model BMW R 80G/S
Year 1980
Engine Type Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Displacement 797.5 cc / 48.7 cu in.
Bore X Stroke 84.8 x 70.6 mm
Cooling System Air cooled
Compression 9.2:1
Induction 2 x Bing constant depression carburetorss
Ignition Battery ignition
Alternator Bosch 12 V/280 W
Spark Plug Bosch W 7 D / Beru14-7DU / Champion N9YC
Starting Electric & Kick
Max Power 37 kW / 50 hp @ 6500 rpm
Max Torque 56.7 Nm / 5.8 kgf-m / 41 ft lb @ 5000 rpm
Clutch Dry single plate, with diaphragm spring
Transmission 5 Speed
Final Drive Shaft
Gear Ratio 1st 4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1
Rear Wheel Ratio 1:3.20
Frame Double loop tubular frame with bolt on rear section
Front Suspension Telescopic hydraulic forks
Front Wheel Travel 200 mm / 7.8 in
Rear Suspension Monolever swinging arm
Rear Wheel Travel 170 mm / 6.6 in
Front Brakes Single ∅260mm disc
Rear Brakes ∅200mm Drum
Front Tire 3.00 - 21
Rear Tire 4.00 - 18
Dimensions Length 2230 mm / 87.7 in Width 820 mm / 32.3 in Height 1150 mm / 45.2 in
Wheelbase 1465 mm / 67.6 in
Ground Clearance 175 mm / 6.88 in
Seat Height 860 mm / 33.9 in
Wet Weight 186 kg / 409 lbs
Fuel Capacity 19.5 L / 5.1 US gal
Consumption Average 5.2 L/100 km / 19.1 km/l / 45 US mpg
Standing ¼ Mile 13.8 sec
Top Speed 167 km/h / 104 mph
Reviews Epll.no-ip.com / Beemergarage.com / mc24.no / GS pages
Manual 5united.net / Owner manual

Videos[edit | edit source]

External Links[edit | edit source]