BMW K 100 RS: review, history, specs

Class: sport-tour
Production: 1983-1993
Successor: BMW K1100RS

BMW K 100 RS (1st generation, 8 valves), Europe, USA, 1983-1988
BMW K 100 RS (2nd generation, 16 valves), Europe, USA, 1989-1993

History


MarketsProductionName & Codes
Europe1983 – 1988Name: BMW K100RS 2V = 8 valves (1st generation)
Model code: K589
Europe1989 – 1993Name: BMW K100RS 4V = 16 valves (2nd generation)
Model code: 89V1
USAMarch 1984 – July 1989Name: BMW K100RS 2V = 8 valves (1st generation)
Model code: K589
USAJuly 1990 – January 1992Name: BMW K100RS 4V = 16 valves (2nd generation)
Model code: 89V1

Specifications


BMW K100RS: specs.

DIMENSIONS
Overall length2220 mm / 87,4 in – K100RS (1st generation)
2230 mm / 87,8 in – K100RS (2nd generation)
Overall width820 mm / 32,3 in – K100RS (1st generation)
875 mm / 34,4 in – K100RS (2nd generation)
Overall height1271 mm / 50,0 in – K100RS (1st generation)
1260 mm / 49,6 in – K100RS (2nd generation)
Seat height810 mm / 31,9 in – K100RS (1st generation)
800 mm / 31,5 in – K100RS (2nd generation)
Wheelbase1516 mm / 59,7 in – K100RS (1st generation)
1565 mm / 61,6 in – K100RS (2nd generation)
Ground clearance175 mm / 6,9 in – K100RS (1st generation)
140 mm / 5,5 in – K100RS (2nd generation)
Dry weight
Curb (wet) weight253 kg / 558 lbs – K100RS (1st generation)
263 kg / 580 lbs – K100RS (1st generation, ABS)
259 kg / 571 lbs – K100RS (2nd generation)
269 kg / 593 lbs – K100RS (2nd generation, ABS)
FRAME
Frame (type)Tubular space frame, engine serving as load bearing component
Front suspension, travelTelescopic fork 41 mm, 185 mm / 7,3 in – K100RS (1st generation)
Telescopic fork 41 mm, 135 mm / 5,3 in – K100RS (2nd generation)
Rear suspension, travelBMW Monolever (adjustable), 110 mm / 4,3 in – K100RS (1st generation)
BMW Paralever (adjustable), 137,5 mm / 5,4 in – K100RS (2nd generation)
Front tire size100/90 V18 – K100RS (1st generation)
120/70 VB17 – K100RS (2nd generation)
Rear tire size130/90 V17 – K100RS (1st generation)
160/60 VB18 – K100RS (2nd generation)
Front brakeDouble disc, 285 mm, 2-piston calipers (from 1988, option: ABS-I) – K100RS (1st generation)
Double disc, 305 mm, 4-piston calipers (option: ABS-I) – K100RS (2nd generation)
Rear brakeSingle disc, 285 mm, 2-piston caliper (from 1988, option: ABS-I) – K100RS (1st generation)
Single disc, 285 mm, 2-piston caliper (option: ABS-I) – K100RS (2nd generation)
Fuel capacity22,0 l / 5,81 US gal (reserve – 5,0 l)
Fuel economy4,3 l / 100 km (90 km/h) – K100RS (1st generation)
5,7 l / 100 km (120 km/h) – K100RS (1st generation)
4,2 l / 100 km (90 km/h) – K100RS (2nd generation)
5,0 l / 100 km (120 km/h) – K100RS (2nd generation)
ENGINE
Engine (type)Liquid-cooled 4-stroke
Cylinder arrangement4-cylinders in-line, longitudinally installed
Bore & Stroke67,0 x 70,0 mm
Displacement987 cm³ (60,2 cu in)
Compression ratio10.2:1 – K100RS (1st generation)
11.0:1 – K100RS (2nd generation)
Valve trainChain driven DOHC, 2 valves per cylinder – K100RS (1st generation)
Chain driven DOHC, 4 valves per cylinder – K100RS (2nd generation)
Max. power90,0 hp (66,0 kW) / 8000 rpm – K100RS (1st generation)
100,0 hp (74,0 kW) / 8000 rpm – K100RS (2nd generation)
Max. torque86,0 Nm (8,7 kg-m) / 6000 rpm – K100RS (1st generation)
100,0 Nm (9,8 kg-m) / 6750 rpm – K100RS (2nd generation)
0 to 100 km/h (0-60 mph)4,3 sec – K100RS (1st generation)
3,9 sec – K100RS (2nd generation)
Top speed220 km/h (136 mph) – K100RS (1st generation)
232 km/h (144 mph) – K100RS (2nd generation)
Fuel system (type)Fuel Injection, Bosch LE-Jetronic – K100RS (1st generation)
Fuel Injection, Bosch Motronic MA 2.1 – K100RS (2nd generation)
DRIVE TRAIN
ClutchSingle dry plate, cable operated
Transmission5-speed
Final driveShaft
Gear ratio

I
II
III
IV
V



ELECTRICAL
Ignition systemAII-electronic, breakerless microprocessor controlled digital system – K100RS (1st generation)
Motronic (mapped characteristic control) – K100RS (2nd generation)
AlternatorThree-phase generator, 14V / 460W
Battery capacity12V-20Ah – K100RS (1st generation)
12V-25Ah – K100RS (2nd generation)

Images


BMW K100RS: images, gallery.

BMW K100RS (1st generation)
BMW K100RS (2nd generation)
BMW K100RS
BMW K100RS (custom)

Videos


BMW K100RS: video.

Manuals


BMW K100RS: documentation.

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