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BMW K 100RS

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Make Model

BMW K100 RS

Year

1984

Production

34 804 units (1983 - 92)

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 Stainless 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 @ 6000 rpm
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-V18

Rear Tyre

130/90-V17

Dimensions

Length 2220 mm / 87.4 in
Width 800 mm / 31.5 in
Height 1271 mm / 50.0 in

Wheelbase 1516 m /59.7 in.
Ground Clearance 175 mm / 6.9 in.
Seat Height 810 mm / 31.90 in. (760 mm / 29.9 in for low seat model)
Wet Weight 249 kg / 548 lbs

Fuel Capacity 

22 Liters / 5.8 US gal

Average Consumption 

4.3 l/100 km / 23.3 km/l / 55 US mpg

Braking 100 km/h / 62 mph - 0  38.7 m / 127 ft

Standing ¼ Mile  

12.5 sec / 172 km/h / 107 mph
Standing 0 - 100 km/h / 62 mph 4.3 sec
Top Speed 220 km/h / 136 mph
Road Test Superbike Group Test 1985 Motosprint
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