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 BMW - K 75 C
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BMW D2-492-42-12
Photo ou archives : archives FMD

Capacity : 750
Model : K 75 C
Production : 1985 -
Category : (R) Street Bike


750 K75C – 1986

The golden mean

Very few three-cylinder motorcycles have ever been made, though this layout has definite advantages, particularly its compact size and near-perfect balance (though a crankshaft with throws at 120 degrees is costly to make). However, when BMW adopted this unusual layout in 1981, the primary motive was to enable the company to extend its range.

Shared Components

The 1000cc four had appeared in 1983, and the K75, which joined it in 1985, used as many common components as possible. The internal measurements of the engine were the same as the 1000 but the engine/transmission unit was very compact and weighed 22 lb less. Like the 1000, the K75 was equipped with a highly-sophisticated electronic fuel injection system. That gave it great flexibility and livelier response than the four.

Low Center of Gravity

Thanks to its low saddle height and center of gravity, the K75 handled very well, with a compromise between comfort and road-holding. Though its power output seemed modest compared with the Japanese machines, the K75 did not pretend to be a sports bike, being more an all-round machine that was equally an everyday mount as a long-distance tourer. The 750 range first appeared in 1985 in two versions: the unadorned K75 and the K75C, with its small headlamp fairing augmented by the addition of a radiator cowling styled like the radiator grill of a BMW car. A few months later came the K75S with a cowling fixed to the frame, triple disc brakes and a 17 inch rear wheel.


Engine: 740cc (67x70mm) water-coolcd in-line three-cylinder four-stroke

Power Rating: 75 hp @ 8500 rpm

Valves: twin overhead-camshafts/6 valves

Fuel System: electronic fuel injection

Transmission: 5-speed, shaft final drive

Suspension: telescopic forks (front), aluminum single arm (rear)

Brakes: twin discs (front); drum (rear)

Wheels: 18 inch (front & rear)

Weight: 460 lb Maximum

Speed: 125 mph

BMW is especially famous for its top-of-tbe-range models, but the K75C proved itself to be an excellent compromise.

Motorcycle encyclopedia Moto Passion, realised by François-Marie Dumas, include almost 2000 photos presented with an exhaustive history of the motorcycles exhibited.

This unique collection has been realised with the participation of many specialists. With many thanks in particular to Yves Campion, Michael Dregni, Didier Ganneau, Jean Goyard, Helmut Krackowizer, Michel Montange, Christian Rey, Bernard Salvat, Mick Woollett, etc

One can order here

  • Original cards on paper (in french)
  • High resolution scans or original documents presented and signed with my name.

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François-Marie Dumas

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