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BMW K75 RT (1989-1990) Specs, Performance & Photos

Segment: Touring
Production years: 1989, 1990

BMW K75 RT 1989-1990 2 Photos
BMW K75 RT (1989-1990)BMW K75 RT (1989-1990)

In 1989, the German motorcycle manufacturer launched the BMW K75 RT, a long-journey-oriented motorcycle derived from the standard BMW K75 model. The RT version packed a full touring fairing compared to the base model.

In the visual department, the motorcycle had standard fittings, such as a full touring fairing with a rectangular headlight, a large touring windscreen, a one-piece dual seat with pillion grab handles, eight-spoke aluminum alloy wheels, and a three-into-one exhaust system with a silencer mounted on the left-hand side.

The S and RT versions were the only ones in the range with a rear braking disc and 17-inch rear wheels, unlike the other models that packed a single leading shoe drum unit and 18-inch rear wheels.

In the power department, the 1989 BMW K75 RT had its heartbeat set by a 740cc four-stroke liquid-cooled three-cylinder engine that delivered an output power of 75 hp with a peak force at 8,500 rpm and 68 Nm (50 lb-ft) torque at 6,750 rpm.

Suspension-wise, the bike packed a telescopic fork with a hydraulic shock absorber on the front end and an aluminum swingarm with a right-hand side-mounted shock absorber on the rear.

As for the braking power, the motorcycle's wheels were fitted with two 285 mm brake discs coupled to dual-piston calipers on the front and a 285 mm disc with a single-piston caliper on the rear.

BMW K75 RT 1989-1990

BMW K75 RT 740

engine specs
Type:liquid-cooled, four-stroke, 740cc, 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:dry, single plate
Primary Drive:-
Final Drive:shaft
chassis specs
Frame:steel
Front Suspension:telescopic fork with hydraulic shock absorber
Rear Suspension:Monolever swinging arm
Front Brake:dual 285mm discs, 2-piston calipers
Rear Brake:single 285mm disc, 1-piston caliper
dimension specs
Overall Length:87.8 in OR 2230 mm
Overall Width:36.1 in OR 917 mm
Seat Height:-
Wheelbase:59.7 in OR 1516 mm
Ground Clearance:6.9 in OR 175 mm
Weight:527 lbs OR 239 kg
Fuel Capacity:5.5 gallons OR 20.8 L
tyres specs
Front:100/90x18
Rear:130/90x17
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