BMW R100 S (1977-1978) Specs, Performance & Photos

The BMW R100 S was one of the many R100 versions produced by the House of Munich. It was a liter-class naked motorcycle that suited the taste of those riders searching for superior performance.

In addition to the S version, the R100 was manufactured in several versions, such as T, CS, RS, RS Classic, RT, RT Classic, TIC, TC, R, and GS. In addition, the motorcycle was also known as the Slash 7 "Airhead."

In 1977, the German motorcycle manufacturer launched the BMW R100 S, a motorcycle created by German engineers for those riders who made zero compromises regarding performance.

The 1977 machine came in the same shape and form as the previous model, packing the same technical, visual, and performance specifications without any significant modifications whatsoever.

Visually, the motorcycle was characterized by standard features, like a front cowl with a round headlight, a windscreen, a two-up seat with a passenger grab rail, side-mounted rear shocks, a dual exhaust system, and multi-spoke alloy wheels.

As for the power figures, the 1977 BMW R100 S boasted 70 hp with a peak force at 7,000 rpm and a 76 Nm (56 lb-ft) torque at 6,000 rpm from a 980cc four-stroke air-cooled twin-cylinder boxer engine mounted underneath its fuel tank.

The power produced by the engine was handled by a five-speed transmission with a dry single-plate clutch and a final shaft drive, launching the motorcycle to 191 kph (119 mph).