BMW R 80RT Mono (1984-85) vs BMW K 11000 RS (1993-94) vs BMW R 1200GS Adventure (2011)
Comparison technical specifications
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| Make: | BMW | BMW | BMW |
| Model: | R 80RT Mono | K 11000 RS | R 1200GS Adventure |
| Years: | 1984-85 | 1993-94 | 2011 |
| 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 | Four stroke, two cylinder horizontally opposed Boxer, DOHC, 4 valves per cylinder |
| Capacity: | 797.5 cc / 48.7 cu in. | 1092 cc / 66.6 cu in | 1170 cc / 71.4 cub in. |
| Bore x Stroke: | 84.8 x 70.6 mm | 70.5 x 70 mm | 101 x 73 mm |
| Cooling System: | Air cooled | Liquid cooled | Air/oil cooled |
| Compression Ratio: | 8.2:1 | 11.0:1 | 12.0:1 |
| Induction: | 2 x Bing constant depression carburetors | Electronic injection, Bosch Motronic | BMS-K+, 50mm Throttle butterfly dia |
| 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) | 81 kW / 110 hp @ 7750 rpm |
| 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 | 120 Nm / 12.2 kgf-m / 88 lb-ft @ 6000 rpm |
| Transmission: | 5 Speed | 5 Speed | 6 Speed |
| Front Suspension: | Telescopic hydraulic forks. | ∅43 mm Telescopic fork with hydraulic shock absorber | Telelever, stanchion ∅41mm, central spring strut, spring preload 9 times mechanically adjustable. |
| Rear Suspension: | Long swinging arm with adjustable strut. | Monolever swinging arm | Die-cast aluminium single-sided swinging arm with BMW Motorrad Paralever, WAD strut (travel-related damping), spring pre-load hydraulically adjustable to continuously variable levels by means of handwheel, rebound damping adjustable. |
| Front Brakes: | 2 x ∅260mm discs, 1 piston caliper | 2 x ∅305mm discs, 4 piston calipers | 2x ∅305mm Discs, 4 piston caliper, Optional: BMW Motorrad Integral ABS |
| Rear Brakes: | Single ∅200mm drum | Single ∅285mm disc, 1 piston caliper | Single ∅265mm disc, 2 piston caliper, Optional: BMW Motorrad Integral ABS |
| Front Tyre: | 3.25 - H19 | 120/70 ZR17 | 110/80 ZR19 |
| Rear Tyre: | 4.00 - H18 | 160/60 ZR18 | 150/70 ZR17 |
| Wet Weight: | 235 kg / 417 lbs | 268 kg / 591 lbs | 256 kg / 564 lbs (road ready, fully fueled ) |
| Fuel Capacity: | 24 Litres / 6.3 gal | 22 L / 5.8 US gal | 33 L / 8.7 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 | 6.3 L/100 km / 15.7 km/l / 36.9 US mpg |
| Standing ¼ Mile: | 13.9 sec | 11.4 sec / 188.5 km/h / 117 mph | 12.6 sec |
| Top Speed: | 171 km/h / 106 mph | 224.8 km/h / 139.7 mph | 193 km/h / 120 mph |