BMW K75S

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BMW K75S
Manufacturer
BMW
Also called K75S Special, K 75 S Special, K 75 S
Production 1985 - 1995
Class Naked
Engine
in-line three, four-stroke
Bore / Stroke 67.0mm x 70.0mm
Compression ratio 11.0:1
Top Speed 124 mph (199 km/h)
Horsepower 73.35 HP (54.7 KW) @ 8500RPM
Torque 49.2 ft/lbs (66.7 Nm) @ 6750RPM
Spark Plug NGK D7EA '85-95
NGK D8EA '86-88
Battery YUASA 51814 '86-88 , '85-95
Transmission Gear box: 5-speed

Final Drive: shaft drive (cardan)

Clutch: single, dry plate
Final Drive Shaft
Suspension Front: telescopic fork with hydraulic shock absorber
Rear: Monolover swinging arm
Brakes Front: dual disc
Rear: single disc
Front Tire 100/90-18
Rear Tire 130/90-17
Wheelbase 59.69 inches (1516 mm)
Length 87.4 inches (2220 mm)
Width 35.39 inches (899 mm)
Seat Height 31.89 inches (810 mm)
Weight 504.86 pounds (229.0 Kg) (dry), 235.0 kg (wet)
Oil Filter K&N KN-163[1]
Fuel Capacity 5.55 Gallon (21.00 Liters)
Related BMW K75
BMW K75C
Manuals Service Manual


The BMW K75S was a in-line three, four-stroke Naked motorcycle produced by BMW between 1985 and 1995. It could reach a top speed of 124 mph (199 km/h). Max torque was 49.2 ft/lbs (66.7 Nm) @ 6750 RPM. Claimed horsepower was 73.35 HP (54.7 KW) @ 8500 RPM.


The K75s is one of the sporty version of the BMW triple "the flying brick". The engine has a characteristic high pitched whine at idle known as "K bike whine". The engine is smooth as butter and plenty of power throughout the range regardless any RPM. The power curve is amazing flat and consistent and is hardly any engine vibration. It has good amount of torque at lower RPMs and plenty of power up at the high RPMs as well. BMW really did a great job on this bike.

Engine

The engine was a liquid cooled in-line three, four-stroke. A 67.0mm bore x 70.0mm stroke result in a displacement of just 740.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).

Drive

The bike has a 5-speed transmission. Power was moderated via the single, dry plate.

Chassis

It came with a 100/90-18 front tire and a 130/90-17 rear tire. Stopping was achieved via dual disc in the front and a single disc in the rear. The front suspension was a telescopic fork with hydraulic shock absorber while the rear was equipped with a Monolover swinging arm. The K75S was fitted with a 5.55 Gallon (21.00 Liters) fuel tank. The bike weighed just 504.86 pounds (229.0 Kg). The wheelbase was 59.69 inches (1516 mm) long.

1985 BMW K 75 S

The 1985 MY BMW K 75 S is a versatile machine that promises superior performance, enhanced touring capabilities and the agility of a naked machine, and is sure to appeal to a wide category of riders. It has, at its heart, a liquid-cooled, four-stroke, 740cc, in-line three cylinder powerplant mated to a five-speed manual transmission, and can produce a claimed 75 horsepower and 68 Nm of torque.

It also comes with a Brembo braking system with dual front discs, a dual seat, cast-aluminum wheels, black engine accents, a half-fairing with a windscreen, a square headlamp, an analogue instrument cluster, and a suspension package composed of a telescopic front fork with a hydraulic shock absorber and a Monolever rear suspension.


1986 BMW K 75 S

The 1986 MY BMW K 75 S is a sportier version of the RT version, that is addressed to the more adventurous among Beemer fans. It comes with a Brembo braking system with dual front discs, a dual seat, cast-aluminum wheels, black engine accents, a half-fairing with a windscreen, a square headlamp, an analogue instrument cluster, and a suspension package composed of a telescopic front fork with a hydraulic shock absorber and a Monolever rear suspension.

In the tech/engine department, it sports a fuel-injected, liquid-cooled, four-stroke, 740cc, transverse three cylinder powerhouse paired to a five-speed manual transmission, and can reach a maximum power output of 75 horsepower and 68 Nm of torque.


1987 BMW K 75 S

The 1987 MY BMW K 75 S has, at its heart, a liquid-cooled, four-stroke, fuel-injected, 740cc, in-line three cylinder powerplant paired to a five-speed manual transmission, that produces a claimed 75 horsepower and 68 Nm of torque.

It also comes with a Brembo braking system with dual front discs, a dual seat, cast-aluminum wheels, black engine accents, a half-fairing with a windscreen, a square headlamp, an analogue instrument cluster, and a suspension package composed of a telescopic front fork with a hydraulic shock absorber and a Monolever rear suspension.


1988 BMW K 75 S

The 1988 MY BMW K 75 S is a middle-weight machine that can be used for daily commutes, weekend strolls and even as a vacation motorcycle. It boasts standard features such as a Brembo braking system with dual front discs, a dual seat, cast-aluminum wheels, black engine accents, a half-fairing with a windscreen, a square headlamp, an analogue instrument cluster, and a suspension package composed of a telescopic front fork with a hydraulic shock absorber and a Monolever rear suspension.

In the tech/engine department, it sports a liquid-cooled, four-stroke, 740cc, transverse three cylinder engine mated to a five-speed manual transmission, and can reach a maximum power output of 75 horsepower and 68 Nm of torque.


1989 BMW K 75 S

The 1989 MY BMW K 75 S is, arguably, one of the most versatile middle-class machines available on the market, up to date. It has, at its heart, a fuel-injected, liquid-cooled, four-stroke, 740cc, in-line three cylinder powerplant mated to a five-speed manual transmission, and can produce a claimed 75 horsepower and 68 Nm of torque.

Also, it comes with features such as a Brembo braking system with dual front discs, a dual seat, cast-aluminum wheels, black engine accents, a half-fairing with a windscreen, a square headlamp, an analogue instrument cluster, and a suspension package composed of a telescopic front fork with a hydraulic shock absorber and a Monolever rear suspension.


1990 BMW K 75 S

The 1990 MY BMW K 75 S addresses a wide category of riders and can take on the roles of a daily commuter for the urban jungle, an agile weekend motorcycle and even longer hauls, if fitted with proper accessories. The key features for this machine would be the Brembo braking system with dual front discs, a dual seat, cast-aluminum wheels, black engine accents, a half-fairing with a windscreen, a square headlamp, an analogue instrument cluster, and a suspension package composed of a telescopic front fork with a hydraulic shock absorber and a Monolever rear suspension.

A maximum power output of 75 horsepower and 68 Nm of torque is achieved by its liquid-cooled, four-stroke, fuel-injected, 740cc, transverse three cylinder powerplant.


1991 BMW K 75 S

The 1991 MY BMW K 75 S sports a liquid-cooled, fuel-injected, four-stroke, 740cc, in-line three cylinder engine mated to a five-speed manual transmission, and can produce a claimed 75 horsepower and 68 Nm of torque.

In addition, it comes with a Brembo braking system with dual front discs, a dual seat, cast-aluminum wheels, black engine accents, a half-fairing with a windscreen, a square headlamp, an analogue instrument cluster, and a suspension package composed of a telescopic front fork with a hydraulic shock absorber and a Monolever rear suspension.


1992 BMW K 75 S

1992 BMW K 75 S 1992 BMW K 75 S

The 1992 MY BMW K 75 S is a versatile naked that can take on busy city traffic, twisting mountain roads and can even be equipped for cross-country hauls, either solo or two-up. It comes with features such as a Brembo braking system with dual front discs, a dual seat, cast-aluminum wheels, black engine accents, a half-fairing with a windscreen, a square headlamp, an analogue instrument cluster, and a suspension package composed of a telescopic front fork with a hydraulic shock absorber and a Monolever rear suspension.

In the tech/engine department, it comes with a liquid-cooled, fuel-injected, four-stroke, 740cc, transverse three cylinder powerplant paired to a five-speed manual transmission, that reaches a maximum power output of 75 horsepower and 68 Nm of torque.

1994

In Media

References

  1. 2019 K&L Supply Co Catalog. K&L Supply Co. 2019.