Touring Motorcycles
1989BMW K 100
19 fields on record
The 1989 BMW K 100 is a sophisticated naked bike powered by a smooth 987cc inline-four engine delivering 90 horsepower and a top speed of 218 km/h. Best known for its innovative shaft drive and liquid-cooled DOHC engine, it suits riders seeking a refined, technology-forward alternative to traditional motorcycles. Its balanced performance and distinctive engineering made it a landmark bike for touring and everyday riding.
- Capacity
- 987.0 ccm
- Engine
- In-line four, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 243.0 kg
- Seat height
- Not on record
Know it? Add it → - Power
- 90.0 HP (66.2 kW) @ 8000 RPM
What’s new for the 1989 BMW K 100
vs the 1988| Spec | 1988 | 1989 |
|---|---|---|
| Fuel capacity | 22.00 litres (5.81 US gallons) | 21.00 litres (5.55 US gallons) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- A do-it-all standard built for relaxed distance riding, commuting and two-up touring with its smooth shaft drive and big 21L tank.
- Built for
- The iconic BMW 'flying brick' - smooth, torquey, unburstable and refined, prizing effortless long-haul competence over sporty aggression.
- Not ideal for
- Not for off-road use, tight-carving sportbike thrills, or riders wanting a light, flickable city machine.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 987.0 ccm
- Power
- 90.0 HP (66.2 kW) @ 8000 RPM
- Engine type
- In-line four, four-stroke
- Power/weight ratio
- 0.3704 HP/kg (wet)
- Bore x stroke
- 67.0 x 70.0 mm
- Compression
- 10.2:1
- Cooling system
- Liquid
- Valves per cylinder
- 2
- Torque
- Not on record - add it
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Shaft
Performance
- Top speed
- 218.0 km/h (135.5 mph)
Dimensions & weight
Brakes & wheels
- Front brakes
- Dual disc
- Rear brakes
- Single disc
- 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 | 1983 | 1985 | 1986 | 1988 | 1989 |
|---|---|---|---|---|---|
| Capacity | 987 cc | 987 cc | 987 cc | 987 cc | 987 cc |
| Fuel capacity | 22 L | 22 L | 22 L | 22 L | 21 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the BMW K 100?
The 1989 BMW K 100 has a Capacity of 987.0 ccm (60.23 cubic inches).
What engine power does the BMW K 100 have?
The 1989 BMW K 100 has a Power of 90.0 HP (66.2 kW) @ 8000 RPM.
How many gears does the BMW K 100 have?
The 1989 BMW K 100 has a Gearbox of 5-speed.
How much does the BMW K 100 weigh?
The 1989 BMW K 100 has a Wet weight of 243.0 kg (535.7 pounds).
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