The BMW K 75, introduced in 1985, boasted a revolutionary 3-cylinder engine with a balance shaft and shaft rear drive, a design that would set the tone for BMW’s future inline-3 offerings.
With a 68hp engine and Bosch LE-Jetronic analog fuel injection, the K 75 delivered a smooth and responsive riding experience. The drivetrain remained consistent throughout its production run, with minor upgrades, allowing riders to enjoy the same thrilling performance from the get-go.
As the K 75’s variants – including the sport faired K75S, the fully-faired K75 RT, and the US-only naked K75T – demonstrated, this bike was designed to handle a wide range of riding styles, from touring to sport riding. Whether on the highway or twisties, the K 75 proved to be a true BMW classic, one that would go on to become an icon of the era. The BMW K 75 was a groundbreaking motorcycle that would leave a lasting impression on the world of motorcycling.
Key Specifications
Engine Type
Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder
Engine Capacity
740 cc / 45 cub. in.
Max Power
55 kw / 75 hp
Max Torque
68 Nm / 6.9 kgf-m / 50 ft lb @ 6750 rpm
Top Speed
Fuel Tank Capacity
21 liters / 5.54 US gal
Weight (Wet/Kerb)
500 lbs / 227 kg
Seat Height
31.9 inches / 810 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW K 75
Year
1985 -86
Engine
Engine Type
Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder
The BMW K100 LT, born from the innovative spirit of Josef Fritzenweger, defied convention with its in-line 4-cylinder engine. By positioning the cylinders lengthwise, BMW achieved a low center of gravity, reliable shaft drive, and exceptional engine accessibility. The 4-cylinder layout also offered increased power potential, efficiency, and a manageable noise level.
This groundbreaking design not only pushed the boundaries of motorcycle engineering but also paved the way for future BMW models. The K100 LT’s engine, a marvel of modern technology, boasted a compact aluminum construction and an impressive power-to-weight ratio.
As you twist the throttle, the K100 LT’s engine comes alive, delivering a smooth, refined power delivery that belies its impressive performance capabilities. With its robust, rigid frame and exceptional handling, the K100 LT is an exhilarating ride that rewards every turn of the wrist. And yet, it’s also a comfortable, practical touring machine that invites you to hit the open road and keep going. Whether you’re cruising down the highway or carving through twisties, the BMW K100 LT is an unforgettable riding experience.
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)
558 lbs / 253 kg
Seat Height
31.90 inches / 810 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW K100 LT
Year
1987-88
Engine
Engine Type
Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder
The BMW R 80GS, a motorcycle that embodies the perfect blend of power, agility, and versatility. With its revamped rear suspension, featuring the innovative Paralever system, this bike sets a new standard for off-road prowess. The R 80GS is no longer just a road-focused machine, but a true adventurer, ready to tackle the toughest terrain. Under its sleek bodywork, a 798cc, air-cooled engine lies in wait, delivering 50 horsepower at 6,500 rpm and 61 Nm of torque at 3,750 rpm.
The R 80GS is an exercise in balance and finesse, its low seat height and agile handling making it an ideal choice for both seasoned riders and newcomers to the world of adventure touring. With its robust build quality and array of thoughtful features, including a tool box under the seat and a stainless steel exhaust system, this bike is ready to take on whatever the road throws its way.
From the moment you swing your leg over the saddle, you’ll know that the BMW R 80GS is a motorcycle that demands to be ridden, its engine character and handling working in perfect harmony to create a truly unforgettable riding experience.
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
61Nm / 6.2 kgf-m / 44 ft lb @ 5000 rpm
Top Speed
Fuel Tank Capacity
24L / 6.3 US gal
Weight (Wet/Kerb)
462 lbs / 210 kg
Seat Height
33.5 inches / 850 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW R 80GS
Year
1987
Engine
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder
The BMW R 100RS, a majestic touring motorcycle that embodies the essence of long-distance riding. Its 980cc boxer twin engine, fed by a pair of constant depression carburetors, delivers a smooth and refined power delivery that’s perfect for the open road.
The R 100RS is not a sports bike, but a sophisticated tourer that prioritizes comfort and practicality. Its riding position is upright and relaxed, making it an excellent choice for riders who value ease and stability on long journeys.
Despite its conservative appearance, the R 100RS is a capable and engaging machine that rewards riders with its precise handling and responsive steering. Its engine is a masterclass in torque and traction, making it an excellent companion for both solo and two-up riding.
Key Specifications
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Engine Capacity
980 cc / 59.8 cu in
Max Power
43.8 kw / 59.5 hp
Max Torque
74Nm/ 7.55 kg-m/ 54.6 lb-ft @3500rpm
Top Speed
Fuel Tank Capacity
22 Litres / 5.8 gal
Weight (Wet/Kerb)
485 lbs / 220 kg
Seat Height
32.3 inches / 820 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW R 100RS
Year
1986 – 89
Engine
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Displacement
980 cc / 59.8 cu in
Bore x Stroke
94 x 70.6 mm
Compression Ratio
8.45:1
Number of Cylinders
Max Horsepower
43.8 kw / 59.5 hp
Max Torque
74Nm/ 7.55 kg-m/ 54.6 lb-ft @3500rpm
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
Fuel-mixture System
Lubrication System
Wet sump
Cooling System
Air cooled
Ignition System
Fuel
Exhaust
Emissions Compliance
Performance
Top Speed
188.8 km/h / 117.3 mph
Acceleration (0-100 km/h, 0-60 mph)
Fuel Consumption
Range
*n/a – information not provided by manufacturer
Transmission
Clutch
Dry single plate, with lever action diaphragm spring
The BMW K75T is a unique and fascinating model, born from the standard K75C but modified by BMW’s US division to create a distinct touring bike. The K75T boasts a double-bucket touring seat, reminiscent of the K100RT and LT, and features a headlight housing with integral turn signals, identical to those found on the 1988 low-seat “standard” models. The “international” windshield, first used on the K100 standard models in 1985 and 1986, adds to the bike’s touring credentials.
The K75T’s engine, a 750cc inline-three, is known for its smooth and responsive character, providing a delightfully linear power delivery. While the front suspension is nearly identical to the R65, with hydraulic forks featuring a spring in each leg, the stiffer springs on the K75T make for a more refined ride, ideal for regular touring but potentially less forgiving over large bumps. With its thoughtful modifications and exceptional engine, the BMW K75T is a must-try for anyone seeking a unique and engaging riding experience that will leave you grinning from ear to ear.
Key Specifications
Engine Type
Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder
Engine Capacity
740 cc / 45 cub. in.
Max Power
55 kw / 75 hp
Max Torque
68 Nm / 6.9 kgf-m / 50 ft lb @ 6750 rpm
Top Speed
Fuel Tank Capacity
21 liters / 5.54 US gal
Weight (Wet/Kerb)
518 lbs / 235 kg
Seat Height
31.9 inches / 810 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW K75T
Year
1986
Engine
Engine Type
Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder
The BMW K 75 S, launched in 1985 alongside its comfort-oriented counterpart, the K 75 C, was a motorcycle designed to ignite the senses of thrill-seeking riders. Its half-shell fairing, styled in a sporty manner, was more than just a cosmetic update – it was a deliberate nod to the K 75 S’s innate agility and responsiveness.
The K 75 S boasted a more rigid chassis, honed for dynamic handling and precise control, making it the perfect companion for tackling twisty roads. Its engine, a smooth and refined 749cc parallel-twin, provided a generous dose of torque and a willingness to rev that was hard to resist.
The result was a motorcycle that was, in every sense, a true performer – capable of delivering an exhilarating riding experience that left even the most seasoned enthusiasts grinning from ear to ear.
Key Specifications
Engine Type
Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder
Engine Capacity
740 cc / 45 cub. in.
Max Power
55 kw / 75 hp
Max Torque
68 Nm / 50 ft lb @ 6750 rpm
Top Speed
Fuel Tank Capacity
5.54 US gallons / 21.0 L
Weight (Wet/Kerb)
518 lbs / 235 kg
Seat Height
31.9 inches / 810 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW K75S
Year
1985 – 86
Engine
Engine Type
Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder
BMW’s bold bet on the future of motorcycling has yielded a revolutionary new inline-Four engine, the K100. This 987cc powerhouse delivers a thrilling 90 horsepower and 67 lb-ft of torque, making it a force to be reckoned with on the road.
The K100RS, a sporty variant of the K100, takes the excitement to new heights with its sleek fairings and aggressive styling. Its inline-Four engine revs eagerly, eager to unleash its full potential on twisty roads and mountain passes.
But it’s not just about raw power – the K100RS is also a masterclass in refinement and comfort. Its chassis is designed to provide a smooth, stable ride, while its luxurious amenities make long-distance touring a breeze.
And so, BMW’s gamble pays off with the K100RS, a true masterpiece of engineering and design that redefines the boundaries of motorcycling.
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
1986 – 87
Engine
Engine Type
Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder
BMW’s bold move into four-cylinder territory with the K100 LT marked a significant shift in the company’s design philosophy. Departing from the traditional boxer engine, BMW aimed to harness the benefits of modern techniques while retaining the essence of their iconic motorcycles. The K100 LT’s inline-four engine, positioned lengthwise, offered a unique blend of advantages: low center of gravity, reliable shaft drive, and exceptional accessibility. This innovative design also enabled the engine to produce more power while remaining economical to build and manage.
The K100 LT’s engine character is a perfect blend of refinement and power, providing a smooth and linear power delivery that’s well-suited for both touring and everyday riding. The LT’s touring-oriented features, including a large fairing and comfortable seat, make it an excellent choice for long-distance travel.
As one of the first production motorcycles to adopt a four-cylinder engine, the BMW K100 LT was a pioneering effort in motorcycle design. With its unique blend of performance, comfort, and innovation, it’s no wonder the K100 LT has become a beloved classic among motorcyclists. And with its reputation as a reliable and durable machine, it’s clear that the K100 LT has left a lasting legacy in the world of motorcycling, standing as a testament to BMW’s commitment to innovative design and exceptional engineering.
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)
558 lbs / 253 kg
Seat Height
31.90 inches / 810 mm
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW K100 LT
Year
1986
Engine
Engine Type
Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder
The BMW R 80RT Mono is a tourer that defies convention, offering a unique blend of comfort and character. Its boxer engine, with a 797cc displacement, provides a smooth and effortless ride, perfect for covering long distances at a leisurely pace. The bike’s large fuel tank and spacious fairing make it an ideal companion for riders and passengers alike, allowing for a relaxing and enjoyable journey. With its new cast wheels and tubeless tyres, the R 80RT Mono is a worthy successor to the popular R 80 series, and a testament to BMW’s commitment to innovation and design excellence. The BMW R 80RT Mono is a tourer that will satisfy even the most discerning rider’s needs, providing a thrilling and comfortable ride that will leave you 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 Mono
Year
1984 – 85
Engine
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
The BMW R 65RT Monolever: a testament to BMW’s unwavering commitment to innovation and rider satisfaction. Introduced in 1984, this iconic motorcycle boasted the innovative Monolever swing arm, a design that would become a hallmark of BMW’s engineering prowess. The R 65RT’s 652cc air-cooled boxer twin engine produced a silky-smooth 42 horsepower, delivering a unique riding experience that balanced agility with comfort.
The R 65RT’s engine character was defined by its linear power delivery and effortless mid-range torque, making it an ideal choice for both city commuting and long-distance touring. Its low seat height and upright riding position provided a commanding view of the road, while its monoshock rear suspension ensured a smooth ride over varying terrain.
The BMW R 65RT Monolever remains a sought-after collector’s item, cherished by enthusiasts for its rich heritage and timeless design.
Key Specifications
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Engine Capacity
649.6 cc / 39.6 cu in.
Max Power
35 kw / 48 hp
Max Torque
45.1 Nm / 4.6 kgf-m / 33.3 lb-ft @ 6000 rpm
Top Speed
Fuel Tank Capacity
22 liters / 5.8 US gal
Weight (Wet/Kerb)
Seat Height
*n/a – information not provided by manufacturer
All Specifications
Make & Model
Model
BMW R 65RT Monolever
Year
1984 – 88
Engine
Engine Type
Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder.
Displacement
649.6 cc / 39.6 cu in.
Bore x Stroke
82 x 61.5 mm
Compression Ratio
8.4:1
Number of Cylinders
Max Horsepower
35 kw / 48 hp
Max Torque
45.1 Nm / 4.6 kgf-m / 33.3 lb-ft @ 6000 rpm
Valve Train
Valves per Cylinder
Ø intake / exhaust valve dia
Ø throttle valve
Engine Management System
2 x Bing constant depression carburetors
Fuel-mixture System
Lubrication System
Cooling System
Air cooled
Ignition System
Fuel
Exhaust
Emissions Compliance
Performance
Top Speed
168.7 km/h / 104.8 mph
Acceleration (0-100 km/h, 0-60 mph)
Fuel Consumption
Range
*n/a – information not provided by manufacturer
Transmission
Clutch
Gearbox
5 Speed
Primary Drive Ratio
Secondary Drive Ratio
Gear Ratios
Final Drive
Shaft
Quick Shifter
Traction Control System
Assist & Slipper Clutch
Electrical & Electronics System
Battery
Alternator/Generator
Starter
Electric
Headlight Type
Taillight Type
Instrumentation
Connectivity
Riding Modes
Traction Control System
Launch Control
ABS
Cruise Control
Chassis & Suspension
Frame Type
Front Suspension
Telescopic hydraulic forks
Front Suspension Travel
Rear Suspension
Monolever swinging arm
Rear Suspension Travel
Rake
Trail
Rear Subframe
Swingarm
Handlebar
Steering Damper
Wheels & Brakes
Wheels
Front Wheel/Rim Size
Front Tire Size
90/90 – 18
Rear Wheel/Rim Size
Rear Tire Size
120/90 – 18
Front Brakes
2x ∅260mm discs, 2 piston calipers
Rear Brakes
Single ∅200mm drum
ABS
Dimension & Weights
Overall Length
Overall Width
Overall Height
Seat Height
Wheelbase
Ground Clearance
Fuel Tank Capacity
22 liters / 5.8 US gal
Wet (kerb/curb) Weight
Dry Weight
Max Load Capacity
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