BMW R 80 G/s - 1984 Specifications and Reviews

The 1984 BMW R 80 G/S is a pioneering adventure enduro that established the template for modern dual-sport motorcycles. Its air-cooled 797cc boxer engine delivers reliable mid-range power, while the shaft-driven chassis and upright ergonomics suit riders seeking accessible off-road capability without sacrificing on-road versatility. Renowned for durability and simplicity, it appeals to adventure seekers and long-distance touring riders worldwide.

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General information

CategoryEnduro / offroad
Year1984
ModelBMW R 80 G/S

Engine and Transmission Specifications

Transmission typefinal driveShaft drive (cardan)
Gearbox5-speed
Cooling systemAir
Fuel controlOHV
Valves per cylinder2
Bore x stroke84.8 x 70.6 mm (3.3 x 2.8 inches)
Compression8.2:1
Power50.00
Stroke4
Engine typeTwo cylinder boxer
Capacity:797.00 ccm (48.63 cubic inches)

Physical measures and capacities

Weight incl. oil, gas, etc196.0 kg (432.1 pounds)
 
 

BMW R 80 G/s dimensions and frame

Rear brakesExpanding brake
Front brakesSingle disc
Rear tyre dimensions4.00-18
Front tyre dimensions3.00-21
 
 

Speed and acceleration

Top speed173.0 km/h (107.5 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity19.50 litres (5.15 gallons)

Performance Profile & Rider Fit

50 hp
Peak Power
5.8s
0-60 mph
107.5 mph
Top Speed

Best For

Track8%
City58%
Cornering50%
Daily Riding65%
Touring78%
Passenger62%

Rider Profile

Best ForSuited to intermediate riders comfortable managing a tall, top-heavy machine; forgiving power delivery welcomes newcomers to adventure riding but weight demands care off-road.
PurposeThe original dual-sport adventure tourer: built to cover long distances on tarmac and rough tracks alike, ideal for exploration and round-the-world journeys.
Rider FitUpright, roomy ergonomics with a tall seat and 21-inch front wheel. At 196kg it feels planted but hefty in the dirt; wide boxer twin and shaft drive keep maintenance simple.
CharacterA rugged, unhurried icon. The torquey air-cooled boxer and bulletproof shaft drive make it dependable and characterful rather than fast - the bike that founded the GS legend.
Not Ideal ForNot for speed seekers, track riders, or those wanting nimble technical enduro performance; its weight and modest power frustrate anyone chasing outright pace.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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