Ducati Monster S2R 800 (2005) vs Moto Guzzi V-7 750 Ambassador (1971-) vs Moto Guzzi 850 Le Mans Mark III (1983) vs Moto Guzzi NTX 750 (1989-95)
Comparison technical specifications
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| Make: | Ducati | Moto Guzzi | Moto Guzzi | Moto Guzzi |
| Model: | Monster S2R 800 | V-7 750 Ambassador | 850 Le Mans Mark III | NTX 750 |
| Years: | 2005 | 1971- | 1983 | 1989-95 |
| Engine: | Four stroke, 90° “L”t win cylinder, SOHC, desmodromic 2 valves per cylinder. | Four stroke, 90° V twin, longitudinally mounted, OHV, 2 valve per cylinder | Four stroke, 90° V twin, longitudinally mounted, OHV pushrod, 2 valves per cylinder | Four stroke, V twin, longitudinally mounted, OHV, 4 valve per cylinder. |
| Capacity: | 803 cc / 49.0 cu in | 748.4 cc / 45.6 cu-in | 844 cc / 51.5 cu-in | 743.8 cc / 45.4 cu-in |
| Bore x Stroke: | 88 x 66 mm | 83 x 70 mm | 83 x 78 mm | 84 x 74 mm |
| Compression Ratio: | 10.5:1 | 9.8:1 | 9.8:1 | 9.7:1 |
| Cooling System: | Air cooled | Air cooled | Air cooled | Air cooled |
| Induction: | Fuel injection, 45 mm throttle body | 2x 30mm Dell'Orto VHB 30CD carburetors | 2x 36mm Dell'Orto carburetors with accelerator pump, with air filtering and inlet silencer | 2x 30mm Dell'Orto carburetors |
| Ignition: | Marelli electronic | Battery with double contact breaker with automatic advance | Battery and coil | Electronic |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 56.7 kW / 77 hp @ 8250 rpm | 62 hp / 46.2 kW @ 7250 rpm | 76 hp / 56 kW @ 7700 rpm | 52 hp / 38 kW @ 6600 rpm |
| Max Torque: | 73 Nm / 7.4 kgf-m / 54 ft-lbs @ 6500 rpm | NA | 74.5 Nm / 54.9 lb-ft @ 6200 rpm | 59 Nm / 6.1 kgf-m @ 4700 rpm |
| Transmission: | 6 Speed | 5 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain; Front sprocket 15; Rear sprocket 42 | Shaft | Shaft | Shaft |
| Front Suspension: | 43 mm Upside-down non adjustable forks | Telehydraulic forks | 35mm Telescopic air assisted forks | Telescopic forks non adjustable |
| Rear Suspension: | Progressive linkage with fully adjustable Sachs monoshock with piggy back aluminum swing arm | Swinging arm with hydraulic dampers preload adjustable | Dual charged shocks, spring preload adjustable | Dual shock air assisted, 5-way preload adjustment. |
| Front Brakes: | 2 x 300 mm Discs, 4 piston calipers | 2x 220mm drum | 2x 300mm discs 2 piston calipers | Single 260mm disc |
| Rear Brakes: | Single 245 mm disc, 2 piston caliper | 220mm drum | Single 242mm disc 2 piston caliper | Single 260mm disc |
| Front Tyre: | 120/70 - ZR17 | 90/90-18 | 100/90 V18 | 3.00 S21 |
| Rear Tyre: | 180/55 - ZR17 | 110/90-18 | 110/90 V18 | 4.00 S18 |
| Fuel Capacity: | 14 Litres / 3.6 US gal | 22.5 Litres / 5.9 US gal | 25 Litres / 6.0 US gal | 33 Litres / 8.7 US gal |