BMW K 100 - 1984 Specifications and Reviews

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.

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General information

CategorySport touring
Year1984
ModelBMW K 100
 
 

Engine and Transmission Specifications

Transmission typefinal 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
Power90.00
Stroke4
Engine typeIn-line four
Capacity:987.00 ccm (60.23 cubic inches)
 
 

Physical measures and capacities

Weight incl. oil, gas, etc243.0 kg (535.7 pounds)

BMW K 100 dimensions and frame

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

Speed and acceleration

Top speed218.0 km/h (135.5 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity22.00 litres (5.81 gallons)

Performance Profile & Rider Fit

90 hp
Peak Power
4.8s
0-60 mph
135.5 mph
Top Speed

Best For

Track22%
City45%
Cornering50%
Daily Riding66%
Touring78%
Passenger74%

Rider Profile

Best ForSuited to intermediate and experienced riders comfortable managing a tall, heavy 243kg machine; not ideal as a first bike.
PurposeA do-it-all standard built for relaxed distance riding, commuting and two-up touring with its smooth shaft drive and big 21L tank.
Rider FitUpright naked ergonomics with a broad seat; hefty wet weight and low-slung longitudinal 'flying brick' four give planted, stable feel.
CharacterThe iconic BMW 'flying brick' - smooth, torquey, unburstable and refined, prizing effortless long-haul competence over sporty aggression.
Not Ideal ForNot for off-road use, tight-carving sportbike thrills, or riders wanting a light, flickable city machine.

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

Rider Reviews

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