BMW K100 (1983-85)

The BMW K100 motorcycle was produced from 1983 to 1985 with a total of 11,549 units made by 1987. The engine was a four-stroke, horizontal in-line four-cylinder with a capacity of 987cc and a compression ratio of 10.2:1. It was liquid-cooled with electronic injection and a wet sump lubrication system. The bike had a maximum power output of 65.6 kW/90 hp at 8000 rpm and maximum torque of 86 Nm/8.8 kgf-m/63 ft-lb. The transmission was a 5-speed with a final drive through a shaft. The bike had a tubular space frame with the engine serving as a load-bearing component. The suspension was a telescopic fork with a hydraulic shock absorber on the front and a monolever swinging arm on the back. The bike was equipped with alloy wheels with an 8-spoke design and 2.50 x 18 MT H2 front rim and 2.75 x 17 MT H2 rear rim. The brakes included dual 285 mm discs with 2-piston calipers on the front and a single 285 mm disc with a 1-piston caliper on the rear. The bike had a wet weight of 239 kg/527 lbs and a fuel capacity of 22 liters/5.8 US gal. It had an average consumption of 6.1 l/100 km/16.3 km/l/38.3 US mpg and a top speed of 216.3 km/h/124.4 mph. The bike was available in red and silver colors and had a quarter-mile standing time of 11.9 seconds at 177 km/h/110 mph.


Technical specifications:

Make Model: BMW K100

Year: 1983 – 85


Production: 11549 units from 1983 to 1987
Engine: Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder
Capacity: 987 cc / 60.2 cub. in
Bore x Stroke: 67 x 70 mm
Compression Ratio: 10.2:1
Cooling System: Liquid cooled
Lubrication: Wet sump
Engine Oil: 10W40
Exhaust: Rust resistant steel, 4 into 1
Induction: Electronic injection, Bosch LE-Jetronic
Ignition: Electronic injection, Bosch LE-Jetronic
Spark Plug: Bosch XR 5 DC / Beru 12-5 DU / Champion A 85 YC
Battery: 20Ah
Starting: Electric
Max Power: 65.6 kW / 90 hp @ 8000 rpm

Max Power Rear Wheel: 61.7 kW / 83.9 hp @ 8250
Max Torque: 86 Nm / 8.8 kgf-m / 63 ft-lb
Clutch: Dry, single plate, cable operated
Transmission: 5 Speed
Final Drive: Shaft
Gear Ratio: 1st 4.50 / 2nd 2.96 / 3rd 2.30 / 4th 1.88 / 5th 1.61:1
Frame: Tubular space frame, engine serving as load bearing component
Front Suspension: Telescopic fork with hydraulic shock absorber
Front Wheel Travel: 185 mm / 7.3 in
Rear Suspension: Monolever swinging arm
Rear Wheel Travel: 110 mm / 4.3 in.
Front Brakes: 2 x 285 mm discs, 2 piston calipers
Rear Brakes: Single 285 mm disc 1 piston caliper
Wheels: Alloy, 8 spoke
Front Rim: 2.50 x 18 MT H 2
Rear Rim: 2.75 x 17 MT H 2
Front Tyre: 100/90-18
Rear Tyre: 130/90-17
Dimensions: Length 2220 mm / 87.4 in Width 960 mm / 37.8 in Height 1155 mm / 45.5 in
Wheelbase: 1516 m /59.7 in.

Ground Clearance: 175 mm / 6.9 in.
Seat Height: 810 mm / 31.90 in.
Wet Weight: 239 kg / 527 lbs
Fuel Capacity: 22 Liters / 5.8 US gal
Average Consumption: 6.1 l/100 km / 16.3 km/l / 38.3 US mpg
Braking 60km/h / 37 mph – 0: 14.8 m / 48.6 ft
Braking 100 km/h / 62 mph – 0: 41.8 m / 137 ft
Standing 1/4 Mile: 11.9 sec / 177 km/h / 110 mph
Standing 0 – 100 km/h / 62 mph: 4.3 sec
Top Speed: 216.3 km/h / 124.4 mph
Colours: Red, Silver
Manual: Epll.no-ip.com
Review: Epll.no-ip.com / Beemergarage.com / flyingbrick.de

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