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Touring Motorcycles

1984BMW K 100

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The 1984 BMW K 100 is a pioneering liquid-cooled sport-tourer that appeals to riders seeking comfort and performance in equal measure. Its innovative inline-four engine delivers smooth power while the shaft-drive transmission and relatively light 243 kg weight provide responsive handling. Best known for establishing BMW's modern motorcycle direction, it remains a capable all-rounder for both commuting and touring.

Capacity
987.0 ccm
Engine
In-line four, four-stroke
Gearbox
5-speed
Wet weight
243.0 kg
Seat height
Not on record
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Power
90.0 HP (66.2 kW) @ 8000 RPM
⇄ Compare with another bike + Add to garage All model years
Other years 1983 1984 1985 1986 1987 1988 1989

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 57Agility 40Comfort 72Off-road 4Touring 72Road manners 76
Off-road & trail4%
Cornering50%
City riding45%
Daily riding66%
Touring78%
Two-up74%
Track22%
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.

Full specifications

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
Wet weight
243.0 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
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 198319841985198619881989
Capacity 987 cc 987 cc 987 cc 987 cc 987 cc 987 cc
Fuel capacity 22 L 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

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Rider rating

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Common questions

What is the engine size of the BMW K 100?

The 1984 BMW K 100 has a Capacity of 987.0 ccm (60.23 cubic inches).

What engine power does the BMW K 100 have?

The 1984 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 1984 BMW K 100 has a Gearbox of 5-speed.

How much does the BMW K 100 weigh?

The 1984 BMW K 100 has a Wet weight of 243.0 kg (535.7 pounds).

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