BMW K75S (1985 – 86)

BMW K75S (1985 - 86)

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 TypeFour-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder
Engine Capacity740 cc / 45 cub. in.
Max Power55 kw / 75 hp
Max Torque68 Nm / 50 ft lb @ 6750 rpm
Fuel Tank Capacity5.54 US gallons / 21.0 L
Weight (Wet/Kerb)518 lbs / 235 kg
Seat Height31.9 inches / 810 mm
BMW K75S (1985 - 86)

All Specifications

Make & Model

ModelBMW K75S
Year1985 – 86

Engine

Engine TypeFour-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder
Displacement740 cc / 45 cub. in.
Bore x Stroke67 x 70 mm
Compression Ratio11.0:1
Max Horsepower55 kw / 75 hp
Max Torque68 Nm / 50 ft lb @ 6750 rpm
Engine Management SystemElectronic injection, Bosch LE-Jetronic
Lubrication SystemWet sump

Performance

Top Speed210 km/h / 131 mph

Transmission

ClutchSingle dry plate
Gearbox5 Speed
Gear Ratios1st 4.50 / 2nd 2.96 / 3rd 2.30 / 4th 1.88 / 5th 1.67:1
Final DriveShaft

Electrical & Electronics System

StarterElectric

Chassis & Suspension

Frame TypeDouble-downtube frame with engine as a stressed member; box-section aluminum monolever swing arm
Front SuspensionTelescopic fork with hydraulic shock absorber
Front Suspension Travel7.3 inches / 185 mm
Rear SuspensionMonolever swinging arm
Rear Suspension Travel4.5 inches / 114 mm

Wheels & Brakes

Front Tire Size100/90-18
Rear Tire Size130/90-17
Front Brakes2 x 285mm discs, 2 piston calipers
Rear BrakesSingle 285mm disc

Dimension & Weights

Seat Height31.9 inches / 810 mm
Ground Clearance175 mm / 6.9 in
Fuel Tank Capacity5.54 US gallons / 21.0 L
Wet (kerb/curb) Weight518 lbs / 235 kg
Dry Weight229 kg / 505 lbs

Features

  • Half-shell fairing
  • Integrated flashers
  • Rectangular headlamp unit
  • Narrower handlebars
  • Lower handlebar position
  • More tautly tuned sports chassis
  • Shorter spring travel
  • Disc brake in 17 inch rear wheel
  • Sporty style design
BMW K75S (1985 - 86)
BMW K75S (1985 - 86)

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