BMW K 75 S - 1991 Specifications and Reviews

The 1991 BMW K 75 S is a lightweight sport tourer powered by a distinctive 740cc inline-three engine, delivering 75 horsepower with excellent fuel efficiency. Its shaft drive, nimble handling, and comfortable ergonomics appeal to riders seeking accessible performance without excessive weight or complexity. Known for reliability and smooth mid-range power, it remains ideal for touring and spirited road riding.

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General information

CategorySport touring
Year1991
ModelBMW K 75 S

Engine and Transmission Specifications

Transmission typefinal driveShaft drive (cardan)
Gearbox5-speed
Cooling systemLiquid
Fuel controlDOHC
Valves per cylinder2
Bore x stroke67.0 x 70.0 mm (2.6 x 2.8 inches)
Compression11.0:1
Power75.00
Stroke4
Engine typeIn-line three
Capacity:740.00 ccm (45.15 cubic inches)

Physical measures and capacities

Weight incl. oil, gas, etc235.0 kg (518.1 pounds)
 
 

BMW K 75 S dimensions and frame

Rear brakesSingle disc
Front brakesDual disc
Rear tyre dimensions130/90-17
Front tyre dimensions100/90-18

Speed and acceleration

Top speed199.0 km/h (123.7 mph)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity21.00 litres (5.55 gallons)

Performance Profile & Rider Fit

75 hp
Peak Power
4.8s
0-60 mph
123.7 mph
Top Speed

Best For

Track30%
City55%
Cornering55%
Daily Riding70%
Touring82%
Passenger72%

Rider Profile

Best ForSuits riders with at least some prior experience, as the K75 S's weight and shaft-driven torque response reward a confident, deliberate riding style.
PurposeBuilt for covering long distances comfortably at a brisk but unhurried pace rather than chasing outright speed or lap times.
Rider FitThe tall-ish seat height and substantial dry weight mean shorter or less physically strong riders may find slow-speed maneuvers and parking a bit of a workout.
CharacterA smooth, understated inline-triple with a reputation for durability and effortless midrange pull, appealing to riders who value mechanical refinement over aggression.
Not Ideal ForNot the right choice for riders seeking sharp, flickable handling, off-road capability, or class-leading acceleration.

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

Rider Reviews

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