BMW R 100RS (1976) vs Ducati Monster 1100 (2010) vs BMW R 75/7 (1976-79)
Comparison technical specifications
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| Make: | BMW | Ducati | BMW |
| Model: | R 100RS | Monster 1100 | R 75/7 |
| Years: | 1976 | 2010 | 1976-79 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder | Four stroke, 90° “L” twin cylinder, SOHC, desmodromic 2 valves per cylinder | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Capacity: | 980 cc / 59.8 cub in. | 1078 cc / 65.8 cu in | 745 cc / 45.5 cu in. |
| Bore x Stroke: | 94 x 70.6 mm | 98 x 71.5 mm | 82 x 70.6 mm |
| Cooling System: | Air cooled | Air cooled | Air cooled |
| Compression Ratio: | 9.5:1 | 11.3:1 | 9.0:1 |
| Induction: | 2 x Constant depression carburettors, Bing 94/40/105 - 94/40/106 | Siemens electronic fuel injection, 45mm throttle bodies | 2 x Bing constant depression carburetors |
| Ignition: | Battery ignition | Marelli electronic | Battery ignition |
| Starting: | Electric | Electric | Electric |
| Max Power: | 51 kW / 70 hp / @ 7000 rpm | 69.8 kW / 95 hp @ 7500 rpm | 36.4 kW / 50 hp @ 6200 rpm |
| Max Torque: | 76 Nm / 7.75 kgf-m / 56 ft-lb @ 6000 rpm | 102.9 Nm / 10.5 kgf-m / 76 lb-ft @ 6000 rpm | 58.8 Nm / 6.0 kgf-m / 43.4 lb-ft @ 5000 rpm |
| Transmission: | 5 Speed | 6 Speed | 5 Speed |
| Final Drive: | Shaft | Chain; front sprocket 15; rear sprocket 39 | Shaft |
| Front Suspension: | Telescopic fork with hydraulic shock absorber. | Showa 43mm fully adjustable upside-down forks | Telescopic hydraulic forks |
| Front Wheel Travel: | 200 mm / 7.8 in | 130 mm / 5.1in | 200 mm / 7.9" |
| Rear Suspension: | Long swinging arm with adjustable strut. | Progressive with preload and rebound Sachs adjustable monoshock | Long swinging arm with adjustable strut. 125mm wheel travel |
| Rear Wheel Travel: | 125 mm / 4.9 in | 148 mm / 5.8in | 125 mm / 4.9" |
| Front Brakes: | 2 x ∅260mm discs, 2 piston calipers | 2 x 320 mm Discs, 4 piston radial caliper | Single ∅260mm disc, 1 piston caliper |
| Rear Brakes: | Simplex ∅200 mm drum | Single 245 mm disc, 2 piston caliper | Single ∅200mm drum |
| Front Tyre: | 3.25 - H19 | 120/70 ZR17 | 3.25 - S19 |
| Rear Tyre: | 4.00 - H18 | 180/55 ZR17 | 4.00 - S18 |
| Fuel Capacity: | 24 Litres / 6.3 US gal | 15 L / 4.0 US gal / 3.3 Imp gal | 24 Litres / 6.3 US gal |