Ducati 620 Sport (2003) vs Ducati 500 Sport Desmo (1976-83)
Comparison technical specifications
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| Make: | Ducati | Ducati |
| Model: | 620 Sport | 500 Sport Desmo |
| Years: | 2003 | 1976-83 |
| Engine: | Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valve per cylinder, belt driven | Four stroke, parallel twin cylinder, SOHC, chain driven, 2 valve per cylinder |
| Capacity: | 618 cc / 37.7 cu in | 496.9 cc / 30.2 cu in |
| Bore x Stroke: | 80 x 61.5 mm | 78 x 52 mm |
| Compression Ratio: | 10.5:1 | 9.6:1 |
| Cooling System: | Air cooled | Air cooled |
| Induction: | Marelli CPU 5.9M electronic fuel injection, 45 mm throttle body | Dell'Orto PHF30BS/BD |
| Ignition: | Marelli electronic | Points and coil |
| Battery: | 12V 10Ah | Yuasa Y50-N18L-A1, 12V 18Ah |
| Starting: | Electric | Electric |
| Max Power: | 45 kW / 61hp @ 8750 rpm | 36.8 kW / 50 hp @ 8500 rpm |
| Clutch: | Wet, multiplate | Wet, multiplate |
| Transmission: | 5 Speed | 5 Speed |
| Primary Drive Ratio: | 1.85:1 (33/61) | 2.125:1 (32/68) |
| Gear Ratios: | 1st2.500 / 2nd 1.714 / 3rd 1.333 / 4th 1.074 / 5th 0.966:1 | 1st 2.500 / 2nd 1.714 / 3rd 1.333 / 4th 1.074 / 5th 0.900:1 |
| Final Drive Ratio: | 2.60:1 (15/39) | 2.923:1 (13/38) |
| Final Drive: | Chain | Chain |
| Front Suspension: | Marzocchi 43 mm upside-down fork | 35 mm Paioli telescopic fork |
| Rear Suspension: | Progressive cantilever linkage with fully adjustable, Sachs Boge monoshock with position-sensitive damping | Swing arm, 2 x Marzocchi shocks, 3-way adjustable |
| Front Brakes: | 2x 320 mm Discs, 4 piston calipers | 2 x 256 mm Brembo discs |
| Rear Brakes: | Single 245 mm disc, 2 piston caliper | Single 260 mm Brembo disc |
| Front Tyre: | 120/70 ZR17 | 3.25-18 |
| Rear Tyre: | 160/60 ZR17 | 3.50-18 |
| Dimensions: | Length: 2030 mm / 79.9 in Width: 780mm / 30.7 in Height: 1110mm / 43.7 in | Length: 2050 mm / 80.7 in Width: 710 mm / 28.0 in Height: 1060 mm / 41.7 in |
| Wheelbase: | 1405 mm / 55.3in | 1400 mm / 55.1 in |
| Seat Height: | 815mm / 32.1in | 760 mm / 29.9 in |
| Dry Weight: | 182 kg / 401 lbs | 185 kg / 408 lbs |
| Fuel Capacity: | 16 L / 4.2US gal / 3.5 Imp gal | 14 L / 3.7 US gal / 3.1 Imp gal |
| Top Speed: | 195 km/h / 121.2 mph | 185 km/h / 115 mph |