BMW K100RS (1986 - 87) - Specifications

BMW’s bold bet on the future of motorcycling has yielded a revolutionary new inline-Four engine, the K100. This 987cc powerhouse delivers a thrilling 90 horsepower and 67 lb-ft of torque, making it a force to be reckoned with on the road.

The K100RS, a sporty variant of the K100, takes the excitement to new heights with its sleek fairings and aggressive styling. Its inline-Four engine revs eagerly, eager to unleash its full potential on twisty roads and mountain passes.

But it’s not just about raw power – the K100RS is also a masterclass in refinement and comfort. Its chassis is designed to provide a smooth, stable ride, while its luxurious amenities make long-distance touring a breeze.

And so, BMW’s gamble pays off with the K100RS, a true masterpiece of engineering and design that redefines the boundaries of motorcycling.

Key Specifications

Engine Type	Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder
Engine Capacity	987 cc / 60.2 cub. in
Max Power	65.6 kw / 90 hp
Max Torque	86 Nm / 8.8 kgf-m / 63 ft-lb @ 6000 rpm
Fuel Tank Capacity	22 Liters / 5.8 US gal
Weight (Wet/Kerb)	548 lbs / 249 kg
Seat Height	31.90 inches / 810 mm

*n/a – information not provided by manufacturer

All Specifications

Make & Model

Model	BMW K100RS
Year	1986 – 87

Engine

Engine Type	Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder
Displacement	987 cc / 60.2 cub. in
Bore x Stroke	67 x 70 mm
Compression Ratio	10.2:1
Max Horsepower	65.6 kw / 90 hp
Max Torque	86 Nm / 8.8 kgf-m / 63 ft-lb @ 6000 rpm
Engine Management System	Electronic injection, Bosch LE-Jetronic
Lubrication System	Wet sump
Cooling System	Liquid cooled
Exhaust	Stainlesssteel, 4 into 1

Performance

Top Speed

220 km/h / 136 mph

*n/a – information not provided by manufacturer

Transmission

Clutch	Dry, single plate, cable operated
Gearbox	5 Speed
Gear Ratios	1st 4.50 / 2nd 2.96 / 3rd 2.30 / 4th 1.88 / 5th 1.61:1
Final Drive	Shaft

Electrical & Electronics System

Battery	20Ah
Starter	Electric

Chassis & Suspension

Frame Type	Tubular space frame, engine serving as load bearing component
Front Suspension	Telescopic fork with hydraulic shock absorber
Front Suspension Travel	7.3 inches / 185 mm
Rear Suspension	Monolever swinging arm
Rear Suspension Travel	4.3 inches / 110 mm

Wheels & Brakes

Wheels	Alloy, 8 spoke
Front Wheel/Rim Size	2.50 x 18 MT H 2
Front Tire Size	100/90-V18
Rear Wheel/Rim Size	2.75 x 17 MT H 2
Rear Tire Size	130/90-V17
Front Brakes	2 x ∅285 mm discs, 2 piston calipers
Rear Brakes	Single ∅285 mm disc, 1 piston caliper

Dimension & Weights

Seat Height	31.90 inches / 810 mm
Wheelbase	1516 m /59.7 in.
Ground Clearance	175 mm / 6.9 in.
Fuel Tank Capacity	22 Liters / 5.8 US gal
Wet (kerb/curb) Weight	548 lbs / 249 kg

Features

60-year history of opposed-Twin motorcycles ends with the K100
New inline-Four engine with 70 horsepower
$110 million investment in development and new factory
33,000 motorcycles produced in new Berlin factory
22,000 K100 models produced
Three K100 models: standard, sporty, and touring
Same basic engine and chassis for all three models
Engine is a dohc, liquid-cooled, fuel-injected inline-Four
Engine laid on its side with longitudinally running crankshaft
10,000 hours of dyno time during development
400,000 kilometers of test riding during development
New factory in Berlin increases production by 20%
K100RS sporty model priced at $7200
K100RT touring model priced at $7500
K100 standard model priced at $5990
BMW values of longevity, luxury, serviceability, and exclusivity maintained
Engine designed to meet projected performance criteria of the Eighties

*We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com