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Sport Tourers

1988BMW K 100 RS

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The 1988 BMW K 100 RS is a sport-touring motorcycle designed for riders seeking comfort and performance. Its liquid-cooled inline-four engine delivers smooth power ideal for long-distance touring, while the full fairing and shaft drive provide stability and practicality. Best known for combining Germanic engineering with accessible sportiness, it appeals to experienced riders valuing reliability over raw speed. A factory ABS option was also available.

Capacity
987.0 ccm
Engine
In-line four, four-stroke
Gearbox
5-speed
Wet weight
260.0 kg
Seat height
Not on record
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Power
90.0 HP (66.2 kW) @ 8000 RPM

What’s new for the 1988 BMW K 100 RS

vs the 1987
Spec19871988
Torque — 86.0 Nm (8.8 kgf-m or 63.4 ft.lbs)
Other years 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 64Agility 51Comfort 78Off-road 10Touring 88Road manners 80
Off-road & trail10%
Cornering60%
City riding45%
Daily riding65%
Touring90%
Two-up80%
Track35%
Best for
Built for confident high-speed touring and long-distance road covering, blending sporty performance with genuine cross-country comfort.
Built for
A solid, mechanically distinctive in-line four with shaft drive that delivers smooth, linear power and a reassuring, stable feel at speed.
Not ideal for
Not a good fit for new riders, off-road enthusiasts, or anyone wanting a light, flickable machine for tight urban maneuvering.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Full specifications

Engine
Capacity
987.0 ccm
Power
90.0 HP (66.2 kW) @ 8000 RPM
Torque
86.0 Nm (8.8 kgf-m)
Engine type
In-line four, four-stroke
Power/weight ratio
0.3462 HP/kg (wet)
Bore x stroke
67.0 x 70.0 mm
Compression
10.2:1
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Valves per cylinder
2
Transmission
Gearbox
5-speed
Transmission type
Manual
Final drive
Shaft
Performance
Top speed
222.0 km/h (137.9 mph)
Dimensions & weight
Wet weight
260.0 kg
Fuel capacity
22.00 litres
Seat height
Not on record - add it
Dry weight
Not on record - add it
Brakes & wheels
Front brakes
Dual disc
Rear brakes
Single disc
ABS
Optional
Front tyre
100/90-18
Rear tyre
130/90-17

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 19831985198819901992
Capacity 987 cc 987 cc 987 cc 987 cc 987 cc
Fuel capacity 22 L 22 L 22 L 22 L 22 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

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Common questions

What is the engine size of the BMW K 100 RS?

The 1988 BMW K 100 RS has a Capacity of 987.0 ccm (60.23 cubic inches).

What engine power does the BMW K 100 RS have?

The 1988 BMW K 100 RS has a Power of 90.0 HP (66.2 kW) @ 8000 RPM.

How many gears does the BMW K 100 RS have?

The 1988 BMW K 100 RS has a Gearbox of 5-speed.

What is the torque of the BMW K 100 RS?

The 1988 BMW K 100 RS has a Torque of 86.0 Nm (8.8 kgf-m or 63.4 ft.lbs).

How much does the BMW K 100 RS weigh?

The 1988 BMW K 100 RS has a Wet weight of 260.0 kg (573.2 pounds).

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