The BMW R80ST is a trailblazer that defies categorization, blending the agility of a big trail bike with the light weight of a roadster. This twin-cylinder powerhouse boasts a relatively simple yet powerful engine, making it a persuasive argument for BMW’s approach to motorcycle design.
In a market dominated by high-tech, Japanese-designed machines, the R80ST stands out as a refreshingly straightforward alternative. With its impressive handling and road-hugging capabilities, it’s a testament to BMW’s ability to innovate without sacrificing performance.
By combining the best of both worlds, the R80ST offers a unique riding experience that’s hard to resist. Its compact size and accessible power make it an attractive proposition for riders seeking a more engaging, hands-on experience. And with its sleek design and premium feel, it’s clear that BMW is serious about competing in the high-end market. The R80ST is a motorcycling experience that’s sure to leave you breathless.
Key Specifications
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Engine Capacity
797.5 cc / 48.7 cu in.
Max Power
36.4 kw / 50 hp
Max Torque
58 Nm / 5.9 kgf-m / 42 ft/lb @ 4000 rpm
Top Speed
Fuel Tank Capacity
5.0 US gallons / 19.0 L
Weight (Wet/Kerb)
436 lbs / 198 kg
Seat Height
33.3 inches / 845 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW R 80ST
Year
1982
Engine
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
The BMW R80G/S, unveiled to great surprise, defies conventional wisdom with its 800cc enduro machine that excels on both pavement and dirt trails. By leveraging the lightweight and simplicity of their classic flat-twin engine, BMW has crafted a dual-purpose machine that rivals the performance of its lighter two-stroke competitors.
This trail blazer boasts an impressive array of features, including a braced handlebar, increased ground clearance, and a robust disc front brake. Its versatility is further underscored by the inclusion of road gear such as a lockable dual seat, passenger pegs, mirrors, and a powerful disc front brake.
The engine’s character is marked by a smooth, linear power delivery, making it an absolute delight to ride on both paved roads and rugged trails. As a testament to BMW’s ingenuity, the R80G/S has successfully bridged the gap between off-road and on-road performance, cementing its position as a trailblazer in the world of dual-purpose motorcycles.
Key Specifications
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Engine Capacity
797.5 cc / 48.7 cu in.
Max Power
37 kw / 50 hp
Max Torque
56.7 Nm / 5.8 kgf-m / 41 ft lb @ 5000 rpm
Top Speed
Fuel Tank Capacity
19.5 L / 5.1 US gal
Weight (Wet/Kerb)
409 lbs / 186 kg
Seat Height
33.9 inches / 860 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW R 80G/S
Year
1983
Engine
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
The BMW R 100RS is a masterclass in motorcycle design, where function and form blend seamlessly together to create a riding experience like no other. Under its sleek, aerodynamic fairing lies a basic yet robust boxer twin engine, designed for long-haul journeys and capable of redefining road maps with its three-quarter scale touring prowess.
The engine’s air-cooled cylinders fit outside in the airstream, away from the rider, allowing for a more efficient cooling system and a reduced engine compartment. This design choice enables the fairing to surround the engine crankcase, creating a streamlined profile that slices through the wind with ease.
Riding the R 100RS is an exercise in harmony, where the rider is nestled within the fairing’s contours, yet still able to access essential controls and instrumentation. The cockpit’s minimalist approach eschews unnecessary frills, instead focusing on simplicity and unadulterated riding pleasure. This is a motorcycle that rewards those who value substance over flash, and is content with redefining the limits of what’s possible on two wheels.
Key Specifications
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Engine Capacity
980 cc / 59.8 cub in.
Max Power
51 kw / 70 hp
Max Torque
76 Nm / 7.75 kgf-m / 56 ft-lb @ 6000 rpm
Top Speed
Fuel Tank Capacity
6.3 US gallons / 24.0 L
Weight (Wet/Kerb)
506 lbs / 230 kg
Seat Height
32.3 inches / 820 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW R 100RS
Year
1984 – 85
Engine
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Displacement
980 cc / 59.8 cub in.
Bore x Stroke
94 x 70.6 mm
Compression Ratio
9.5:1
Number of Cylinders
Max Horsepower
51 kw / 70 hp
Max Torque
76 Nm / 7.75 kgf-m / 56 ft-lb @ 6000 rpm
Valve Train
Valves per Cylinder
Ø intake / exhaust valve dia
Ø throttle valve
Engine Management System
2 x Constant depression carburettors, Bing 94/40/105 – 94/40/106
BMW’s latest flagship, the K100RT, is a game-changer for the iconic German brand. This impressive machine boasts a redesigned seat, addressing criticism of previous models, and a sleek, aerodynamic fairing that not only provides exceptional wind protection but also exudes a sense of sporty sophistication.
The K100RT’s 1000cc four-cylinder engine is a marvel of engineering, delivering a thrilling combination of power and smoothness. Its unique character is evident from the get-go, with a distinctive growl and a linear power delivery that makes it an absolute joy to ride.
As you carve through the twisties, the K100RT’s exceptional handling and balance come into their own, making it feel like an extension of your body. The bike’s poise and composure, even at high speeds, are a testament to BMW’s commitment to building exceptional machines.
On the road, the K100RT’s true character shines through – it’s a bike that demands to be ridden hard, and rewards you with a sense of exhilaration and connection to the machine that few others can match. In short, the K100RT is the definitive BMW 1000cc four, a true masterpiece of engineering and design that sets a new standard for the industry.
Key Specifications
Engine Type
Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder
Engine Capacity
987 cc / 60.2 cub. in
Max Power
65.6 kw / 90 hp
Max Torque
86 Nm / 8.8 kgf-m / 63 ft-lb @ 6000 rpm
Top Speed
Fuel Tank Capacity
22 Liters / 5.8 US US gal
Weight (Wet/Kerb)
558 lbs / 253 kg
Seat Height
31.9 inches / 810 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW K100RT
Year
1983 – 89
Engine
Engine Type
Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder
BMW has just made a bold move, wagering 60 years of success on a new inline-Four engine in the K100.
This revolutionary powerplant, developed at a cost of $110 million, replaces the venerable opposed-Twin design that has defined the brand for decades.
The inline-Four engine produces a respectable 90 horsepower, a significant increase over its Boxer predecessors.
As a result, the K100RS, one of three models to feature this new engine, offers a more agile and responsive riding experience, with improved acceleration and handling.
The K100RS, priced at $7200, embodies the perfect blend of performance and exclusivity, making it a worthy successor to the legendary BMW motorcycles of the past.
With over 22,000 units of the K100RS expected to roll off the production line this year, BMW’s gamble is looking like a winning hand.
Key Specifications
Engine Type
Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder
Engine Capacity
987 cc / 60.2 cub. in
Max Power
65.6 kw / 90 hp
Max Torque
86 Nm / 8.8 kgf-m / 63 ft-lb @ 6000 rpm
Top Speed
Fuel Tank Capacity
22 Liters / 5.8 US gal
Weight (Wet/Kerb)
548 lbs / 249 kg
Seat Height
31.90 inches / 810 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW K100RS
Year
1983
Engine
Engine Type
Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder
The BMW R 80ST: a bike that defies the notion that BMWs are unchanging. Introduced in 1982, this street-only variant of the R80 G/S was designed to bring the BMW experience to a wider audience at a more accessible price. With its 19-inch front wheel and 25mm less fork travel, the R 80ST offers a more agile and responsive ride than its G/S counterpart.
The engine, a classic BMW opposed Twin, provides a smooth and predictable power delivery, making it perfect for everyday riding. The addition of a more comfortable seat and crash bars as standard equipment only adds to the bike’s appeal.
But what truly sets the R 80ST apart is its ability to balance performance and practicality. It’s a bike that’s equally at home on the daily commute as it is on a weekend ride. And with its BMW heritage, you can be sure that it’s built to last.
The BMW R 80ST is a testament to the German marque’s commitment to quality and innovation, and it’s a bike that’s sure to impress even the most discerning rider. Whether you’re a seasoned veteran or a newcomer to the world of motorcycling, the R 80ST is an excellent choice for anyone looking for a reliable and enjoyable ride.
Key Specifications
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Engine Capacity
797.5 cc / 48.7 cu in.
Max Power
36.4 kw / 50 hp
Max Torque
58 Nm / 5.9 kgf-m / 42 ft/lb @ 4000 rpm
Top Speed
Fuel Tank Capacity
5.0 US gallons / 19.0 L
Weight (Wet/Kerb)
436 lbs / 198 kg
Seat Height
33.3 inches / 845 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW R 80ST
Year
1982
Engine
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
The BMW R 80RT is a touring motorcycle that embodies comfort, style, and a hint of sportiness. With its 50 horsepower engine, it delivers a respectable 0-60 time of 7 seconds and a top speed of over 100 MPH. While its engine may not be the most aggressive, with a max RPM of 7200, it provides a smooth and refined riding experience. The R 80RT’s poise and handling make it a joy to navigate twisty roads and highways alike.
The BMW R 80RT is a touring motorcycle that has often been overlooked by riders who prioritize feature-rich bikes. Its sleek fairing, adjustable windscreen, and built-in storage boxes are certainly desirable, but some may find the lack of additional amenities, such as CB radios and cruise controls, a drawback.
Despite this, the R 80RT remains a compelling choice for riders who value performance, handling, and a more subdued touring experience. Its unique blend of comfort and sportiness makes it an excellent option for those who want to ride long distances without sacrificing the thrill of the ride. The BMW R 80RT is a true touring icon, offering a refined and engaging experience that will leave you refreshed and eager for more.
Key Specifications
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Engine Capacity
797.5 cc / 48.7 cu in.
Max Power
36.4 kw / 50 hp
Max Torque
59 Nm / 6.0 kgf-m / 43 ft lb@ 3500 rpm
Top Speed
Fuel Tank Capacity
24 Litres / 6.3 gal
Weight (Wet/Kerb)
417 lbs / 235 kg
Seat Height
31.9 inches / 810 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW R 80RT
Year
1982 – 83
Engine
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
BMW’s latest creation, the R80 G/S, has shaken the motorcycling world with its unprecedented blend of touring comfort and off-road capability. In a bold move, the company has carved out a new niche in the market, targeting the long-distance traveler who dares to venture off the beaten path.
Weighing in at a substantial 400 pounds, the R80 G/S boasts a distinctive boxer engine that, despite its awkward appearance, delivers a smooth and refined power delivery. It’s an engine that’s as much at home on the open road as it is on the rough terrain of the outback.
But what truly sets the R80 G/S apart is its ability to seamlessly transition between pavement and dirt, making it the ultimate companion for those who crave adventure and exploration. With its unique blend of comfort, capability, and character, the R80 G/S is the perfect machine for anyone who dares to take on the great unknown.
Key Specifications
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Engine Capacity
797.5 cc / 48.7 cu in.
Max Power
37 kw / 50 hp
Max Torque
56.7 Nm / 5.8 kgf-m / 41 ft lb @ 5000 rpm
Top Speed
Fuel Tank Capacity
19.5 L / 5.1 US gal
Weight (Wet/Kerb)
409 lbs / 186 kg
Seat Height
33.9 inches / 860 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW R 80G/S
Year
1982
Engine
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
The BMW R 45, a diminutive yet impressive addition to the BMW lineup, has arrived to replace its larger predecessors. Weighing in at 4251b, the R 45 is no lightweight, but its compact size and agile handling make it an attractive proposition for city dwellers and touring enthusiasts alike.
Its 650cc oversquare engine, a testament to BMW’s legendary engineering prowess, delivers a punchy 35bhp in export markets, with peak power achieved at 7250rpm and maximum torque of 27.5lb-ft at 5500rpm. While not the most powerful machine on the road, the R 45’s engine is renowned for its smoothness and efficiency, making it an ideal choice for long-distance travel.
Fuel consumption is a standout feature, with an average figure of 55-60mpg possible, thanks in part to the bike’s large 4.8-gallon fuel tank. The R 45’s transmission is a five-speed gearbox with shaft drive, while braking is handled by a single cross-drilled disc at the front and a powerful drum at the rear. With its impressive standard fittings, including cast-alloy wheels, electric starter, and intercom plug, the BMW R 45 is a thoroughly modern touring machine that’s as refined as it is capable.
Key Specifications
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Engine Capacity
453 cc / 27.6 cu in.
Max Power
20 kw / 27 hp
Max Torque
37.5 Nm 3.8 kgf-m / 27.65 lb-ft @ 5500 rpm
Top Speed
Fuel Tank Capacity
5.8 US gallons / 22.0 L
Weight (Wet/Kerb)
Seat Height
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW R 45
Year
1982 –
Engine
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
The BMW R 100RS, a paradox of performance and practicality. At first glance, it’s a high-kinetic roadster, built for low-altitude, high-speed thrills on your favorite curvy roads. However, beneath its racy packaging lies a basic long-haul BMW, a boxer twin that redefines the boundaries of road travel.
The R 100RS is not just a motorcycle, but a carefully crafted envelope that wraps the rider in a cocoon of efficiency and comfort. BMW’s design philosophy emphasizes streamlining, unimpaired high-speed stability, and minimal response to side winds. The fairing, while aerodynamic, still provides room for essential instruments and a comfortable riding position.
The boxer twin engine, with its two constant depression carburetors, is a masterpiece of design. It’s an air-cooled beast, with cylinders that fit neatly outside the fairing, away from the rider. The result is a machine that’s as at home on the open road as it is on a twisty mountain pass.
The BMW R 100RS is a motorcycle that defies categorization, a true pioneer in the world of touring motorcycles. With its unique blend of performance, practicality, and style, it’s a machine that will forever change the way you ride.
Key Specifications
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Engine Capacity
980 cc / 59.8 cub in.
Max Power
51 kw / 70 hp
Max Torque
76 Nm / 7.75 kgf-m / 56 ft-lb @ 6000 rpm
Top Speed
Fuel Tank Capacity
6.3 US gallons / 24.0 L
Weight (Wet/Kerb)
506 lbs / 230 kg
Seat Height
32.3 inches / 820 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW R 100RS
Year
1982 – 83
Engine
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Displacement
980 cc / 59.8 cub in.
Bore x Stroke
94 x 70.6 mm
Compression Ratio
9.5:1
Number of Cylinders
Max Horsepower
51 kw / 70 hp
Max Torque
76 Nm / 7.75 kgf-m / 56 ft-lb @ 6000 rpm
Valve Train
Valves per Cylinder
Ø intake / exhaust valve dia
Ø throttle valve
Engine Management System
2 x Constant depression carburettors, Bing 94/40/105 – 94/40/106
