BMW K 100 RS - 1989 Specifications and Reviews

The 1989 BMW K 100 RS is a sport-touring motorcycle designed for riders seeking a balance of performance and comfort on long-distance journeys. Its 987cc four-cylinder engine delivers 90 horsepower with smooth, reliable shaft-drive power delivery. Known for exceptional build quality and stable high-speed cruising capability, it remains a favorite among touring enthusiasts and commuters alike.

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General information

CategorySport touring
Year1989
ModelBMW K 100 RS

Engine and Transmission Specifications

Transmission type,final driveShaft drive (cardan)
Gearbox5-speed
Cooling systemLiquid
Fuel controlDOHC
Valves per cylinder2
Bore x stroke67.0 x 70.0 mm (2.6 x 2.8 inches)
Compression10.2:1
Top speed222.0 km/h (137.9 mph)
Power90.00
Engine typeIn-line four, four-stroke
Capacity:987.00 ccm (60.23 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Front brakesDual disc
Rear tyre dimensions130/90-17
Front tyre dimensions100/90-18
 
 

Physical measures and capacities

Fuel capacity22.00 litres (5.81 gallons)
Weight incl. oil, gas, etc260.0 kg (573.2 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

100 hp
Peak Power
3.8s
0-60 mph
137.9 mph
Top Speed

Best For

Track35%
City45%
Cornering60%
Daily Riding65%
Touring90%
Passenger80%

Rider Profile

Best ForBest suited to riders with some experience, as the K100 RS is a substantial, shaft-driven machine that rewards smooth, deliberate inputs rather than aggressive riding.
PurposeBuilt for confident high-speed touring and long-distance road covering, blending sporty performance with genuine cross-country comfort.
Rider FitA tall, heavy bike with a wide fairing and a forward-leaning but not extreme sport-touring riding position, favoring taller and stronger riders.
CharacterA solid, mechanically distinctive in-line four with shaft drive that delivers smooth, linear power and a reassuring, stable feel at speed.
Not Ideal ForNot a good fit for new riders, off-road enthusiasts, or anyone wanting a light, flickable machine for tight urban maneuvering.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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