BMW R 80RT Mono (1984-85) vs BMW K 11000 RS (1993-94)
Comparison technical specifications
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| Make: | BMW | BMW |
| Model: | R 80RT Mono | K 11000 RS |
| Years: | 1984-85 | 1993-94 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. | Four-stroke, horizontal in line four cylinder, DOHC, 4 valve per cylinder |
| Capacity: | 797.5 cc / 48.7 cu in. | 1092 cc / 66.6 cu in |
| Bore x Stroke: | 84.8 x 70.6 mm | 70.5 x 70 mm |
| Cooling System: | Air cooled | Liquid cooled |
| Compression Ratio: | 8.2:1 | 11.0:1 |
| Induction: | 2 x Bing constant depression carburetors | Electronic injection, Bosch Motronic |
| Starting: | Electric | Electric |
| Max Power: | 36.4 kW / 50 hp @ 6500 rpm | 72.9 kW / 100 hp @ 7500 rpm (70.8 kW 94.9 hp @ 7400 rpm at rear wheel) |
| Max Torque: | 59 Nm / 6.0 kgf-m / 43 ft lb @ 3500 rpm | 107 Nm / 10.9 kgf-m / 78.9 ft lb @ 5500 rpm |
| 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 | 1st 4.50 / 2nd 2.96 / 3rd 2.30 / 4th 1.88 / 5th 1.61: 1 |
| Front Suspension: | Telescopic hydraulic forks. | ∅43 mm Telescopic fork with hydraulic shock absorber |
| Rear Suspension: | Long swinging arm with adjustable strut. | Monolever swinging arm |
| Front Brakes: | 2 x ∅260mm discs, 1 piston caliper | 2 x ∅305mm discs, 4 piston calipers |
| Rear Brakes: | Single ∅200mm drum | Single ∅285mm disc, 1 piston caliper |
| Front Tyre: | 3.25 - H19 | 120/70 ZR17 |
| Rear Tyre: | 4.00 - H18 | 160/60 ZR18 |
| Wet Weight: | 235 kg / 417 lbs | 268 kg / 591 lbs |
| Fuel Capacity: | 24 Litres / 6.3 gal | 22 L / 5.8 US gal |
| Consumption Average: | 4.9 L/100 km / 20.4 km/l / 48 mpg | 6.6 L/100 km / 15.1 km/l / 35.5 US mpg |
| Standing ¼ Mile: | 13.9 sec | 11.4 sec / 188.5 km/h / 117 mph |
| Top Speed: | 171 km/h / 106 mph | 224.8 km/h / 139.7 mph |