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BMW K75 S (1986-1987) Specs, Performance & Photos

Segment: Naked / Road
Production years: 1986, 1987

BMW K75 S 1986-1987 2 Photos
BMW K75 S (1986-1987)BMW K75 S (1986-1987)

The BMW K75 was a naked motorcycle introduced by the German motorcycle maker in 1985. It was powered by a three-cylinder engine with a balancer shaft and a final shaft drive.

The bike was produced until 1995 and was available in several variants, like the US-only naked K75 T, the bikini-fired K75 C, the sport-faired K75 S, the naked base model K75, and the fully-faired K75 RT.

In 1986, alongside the base model, the German manufacturer released the BMW K75 S, a different version of the base model fitted with a sports fairing. It was in its second production year, and besides the fairing, it was identical to the standard version.

Aesthetically, the bike had standard fittings, such as a sports fairing with a square headlight, a medium-sized windscreen, a two-up seat with passenger grab rails, a single muffler mounted on the left-hand side, and eight-spoke aluminum alloy wheels.

As for performance, the 1986 BMW K75 S took its muscles from a 740cc four-stroke liquid-cooled three-cylinder engine mounted underneath its fuel tank, boasting 75 hp at 8,500 rpm and 68 Nm (50 lb-ft) torque at 6,570 rpm.

The engine's power was transmitted to a five-speed manual transmission with a dry single-plate clutch, linked to the rear wheel through a final shaft drive, launching the motorcycle to a top speed of 196 kph (122 mph).

BMW K75 S 1986-1987

BMW K75 S 740

engine specs
Type:liquid-cooled, four-stroke, in-line three cylinder, DOHC, 2 valves per cylinder
Displacement:740 cm3
Bore X Stroke:2.6x2.8 in OR 66 mm
Compression Ratio:11.0:1
Horsepower:75/8500 KW(hp)/RPM
Torque:50/6750 lb-ft/RPM OR 68/6750 Nm/RPM
Fuel System:EFI
transmission specs
Gearbox:5-speed, manual
Clutch:single, dry plate
Primary Drive:-
Final Drive:shaft
chassis specs
Frame:steel, aluminium swingarm
Front Suspension:telescopic fork with hydraulic shock absorber
Rear Suspension:Monolover swinging arm
Front Brake:dual 285mm discs, 2-piston calipers
Rear Brake:single 285mm disc
dimension specs
Overall Length:87.4 in OR 2220 mm
Overall Width:35.4 in OR 899 mm
Seat Height:31.9 in OR 810 mm
Wheelbase:59.7 in OR 1516 mm
Ground Clearance:6.9 in OR 175 mm
Weight:505 lbs OR 229 kg
Fuel Capacity:5.5 gallons OR 20.8 L
tyres specs
Front:100/90-18
Rear:130/90-17
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