BMW K 100RS ABS (1988) vs BMW R 850R (1997-99)
Comparison technical specifications
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| Make: | BMW | BMW |
| Model: | K 100RS ABS | R 850R |
| Years: | 1988 | 1997-99 |
| Engine: | Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder | Four stroke, two-cylinder, horizontally-opposed Boxer engine, 4 valves per cylinder |
| Capacity: | 987 cc / 60.2 cub. in | 848 cc / 51.7 cu in. |
| Bore x Stroke: | 67 x 70 mm | 87.5 x 70.5 mm |
| Compression Ratio: | 10.2:1 | 10.3:1 |
| Cooling System: | Liquid cooled | Air/Oil-cooled |
| Lubrication: | Wet sump | Wet sump |
| Induction: | Electronic injection, Bosch LE-Jetronic | Electronic injection, Bosch Motronic |
| Ignition: | Electronic injection, Bosch LE-Jetronic | Electronic Bosch Motronic MA 2.4 |
| Battery: | 20Ah | 12V / 19 Ah |
| Starting: | Electric | Electric |
| Max Power: | 65.6 kW / 90 hp @ 8000 rpm | 53.2 kW / 73 hp @ 6750 rpm |
| Max Torque: | 86 Nm / 8.8 kgf-m / 63 ft-lb @ 6000 rpm | 77 Nm / 7.85 kgf-m / 56 ft/lb @ 5600 rpm |
| Clutch: | Dry, single plate, cable operated | Single disc dry clutch, hydraulically operated |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Shaft | Shaft |
| Frame: | Tubular space frame, engine serving as load bearing component | Three section composite frame consisting of front & rear section, load bearing engine |
| Front Suspension: | Telescopic fork with hydraulic shock absorber | Motorrad Telelever, stanchion ∅35 mm, central strut, rebound damping adjustable. |
| Front Wheel Travel: | 185 mm / 7.3 in | 120 mm / 4.7 in |
| Rear Suspension: | Monolever swinging arm | Die-cast aluminium single sided swinging arm with BMW Motorrad Paralever, central strut, spring preload adjustable to continuously variable levels by means of a hydraulic handwheel, rebound adjustable damping. |
| Rear Wheel Travel: | 110 mm / 4.3 in. | 135 mm / 5.2 in |
| Front Brakes: | 2 x ∅285 mm discs, 2 piston calipers, ABS | 2 x ∅320mm discs, 4 piston calipers |
| Rear Brakes: | Single ∅285 mm disc, 1 piston caliper, ABS | Single ∅276mm disc, 2 piston caliper |
| Wheels: | Alloy, 8 spoke | Die cast aluminium wheels |
| Front Tyre: | 100/90-V18 | 120/70 - ZR17 |
| Rear Tyre: | 130/90-V17 | 160/60 - ZR18 |
| Dimensions: | Length 2220 mm / 87.4 in Width 800 mm / 31.5 in Height 1271 mm / 50.0 in | Length 2170 mm / 85.4 in Width 940 mm / 37.0 in Height 1220 mm / 48.03 in |
| Wheelbase: | 1516 m /59.7 in. | 1487 mm / 58.54 in |
| Seat Height: | 810 mm / 31.90 in. (760 mm / 29.9 in for low seat model) | 800 mm / 31.4 in. (low seat: 770 mm / 30.31 in) |
| Wet Weight: | 249 kg / 548 lbs | 238 Kg / 524 lbS |
| Fuel Capacity: | 22 Liters / 5.8 US gal | 20.5 Liters / 5.4 US gal |
| Standing ¼ Mile: | 12.5 sec / 172 km/h / 107 mph | 12.5 sec / 167.0 km/h / 104 mph |
| Top Speed: | 220 km/h / 136 mph | 193.9 km/h / 120.5 mph |