In 1985, the German motorcycle manufacturer released the BMW R 80 RT Mono, a touring motorcycle that debuted in 1984 with the new Monolever system. Like the R 80 RT standard model, the R 80 RT Mono was manufactured for only two years.
The 1985 model came with the same package as the previous one, delivering the same technical, performance, and visual specifications without any significant modifications whatsoever.
The bike was built around a steel frame with a hydraulic telescopic fork on the front that delivered 200 mm of travel and a single-sided swingarm with a right-hand side-mounted shock absorber that provided 125 mm of travel.
As for the braking power, the motorcycle rolled on aluminum alloy wheels with two 260 mm brake discs mounted on the front engaged by a single-piston caliper and a single 200 mm drum braking unit on the rear.
Aesthetically, the motorcycle had standard features, such as a full fairing with a round headlight, a large windscreen for better protection, a one-piece dual seat with a passenger grab rail, a two-into-two exhaust system with a silencer on each side, a center stand, and aluminum alloy wheels.
Underneath its fuel tank, the 1984 BMW R 80 RT Mono had installed a 797cc four-stroke twin-cylinder air-cooled engine that delivered an output power of 50 hp at 6,500 rpm and 60 Nm (44 lb-ft) torque at 3,500 rpm.