BMW R 80GS (1988) vs BMW K 100RS ABS (1988)
Comparison technical specifications
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| Make: | BMW | BMW |
| Model: | R 80GS | K 100RS ABS |
| Years: | 1988 | 1988 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder | Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder |
| Capacity: | 797.5 cc / 48.7 cu in. | 987 cc / 60.2 cub. in |
| Bore x Stroke: | 84.8 x 70.6 mm | 67 x 70 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Lubrication: | Wet sump | Wet sump |
| Compression Ratio: | 8.2:1 | 10.2:1 |
| Induction: | 2 x Bing constant depression carburetors | Electronic injection, Bosch LE-Jetronic |
| Ignition: | Battery ignition | Electronic injection, Bosch LE-Jetronic |
| Spark Plug: | Bosch W 7 D / Beru14-7DU / Champion N9YC | Bosch XR 5 DC / Beru 12-5 DU / Champion A 85 YC |
| Starting: | Electric | Electric |
| Max Power: | 37 kW / 50 hp @ 6500 rpm | 65.6 kW / 90 hp @ 8000 rpm |
| Max Torque: | 61 Nm / 6.2 kgf-m / 44 ft lb @ 5000 rpm | 86 Nm / 8.8 kgf-m / 63 ft-lb @ 6000 rpm |
| Clutch: | Dry single plate, with diaphragm spring | Dry, single plate, cable operated |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Shaft | Shaft |
| Gear Ratio: | 1st 4.40 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50:1 | 1st 4.50 / 2nd 2.96 / 3rd 2.30 / 4th 1.88 / 5th 1.61:1 |
| Frame: | Double loop tubular frame with bolt on rear section | Tubular space frame, engine serving as load bearing component |
| Front Suspension: | ∅40mm Marzocchi telescopic hydraulic forks. | Telescopic fork with hydraulic shock absorber |
| Front Wheel Travel: | 225 mm / 8.8 in | 185 mm / 7.3 in |
| Rear Suspension: | BMW Paralever swinging arm | Monolever swinging arm |
| Rear Wheel Travel: | 180 mm / 7.0 in | 110 mm / 4.3 in. |
| Front Brakes: | Single ∅285mm disc | 2 x ∅285 mm discs, 2 piston calipers, ABS |
| Rear Brakes: | ∅200mm Drum | Single ∅285 mm disc, 1 piston caliper, ABS |
| Front Tyre: | 90/90 x 21S | 100/90-V18 |
| Rear Tyre: | 13/80 x 17S | 130/90-V17 |
| Dimensions: | Length 2290 mm / 90.1 in Width 1000 mm / 39.3 in Height 1165 mm / 45.8 in | Length 2220 mm / 87.4 in Width 800 mm / 31.5 in Height 1271 mm / 50.0 in |
| Wheelbase: | 1514 mm / 59.6 in | 1516 m /59.7 in. |
| Ground Clearance: | 200 mm / 7.87 in | 175 mm / 6.9 in. |
| Seat Height: | 850 mm / 33.5 in | 810 mm / 31.90 in. (760 mm / 29.9 in for low seat model) |
| Wet Weight: | 210 kg / 462 lbs | 249 kg / 548 lbs |
| Fuel Capacity: | 24 L / 6.3 US gal | 22 Liters / 5.8 US gal |
| Average Consumption: | 6.3 L/100 km 15.8 km/l / 37 US mpg | 4.3 l/100 km / 23.3 km/l / 55 US mpg |
| Standing ¼ Mile: | 13.7 sec / 149.6 km/h / 93 mph | 12.5 sec / 172 km/h / 107 mph |
| Top Speed: | 170.4 km/h / 106 mph | 220 km/h / 136 mph |