BMW K 100 - 1985 Specifications and Reviews

The 1985 BMW K 100 is a liquid-cooled touring motorcycle that suits riders seeking comfort and reliability over long distances. Its innovative inline-four engine and shaft drive deliver smooth, predictable performance, while the 243 kg weight keeps handling manageable. Best known for pioneering BMW's modern engine architecture and setting the standard for sport-touring versatility.

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General information

CategoryTouring
Year1985
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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