Ducati 500 Sport Desmo (1976-83) vs Harley-Davidson Harley Davidson VRSCA V-Rod (2004-05) vs MV Agusta 350 Sport B (1970-71) vs Ducati 50 SL / 50 SL/1 / 50 SL/1A / 50 SL2A (1966-68)
Comparison technical specifications
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| Make: | Ducati | Harley-Davidson | MV Agusta | Ducati |
| Model: | 500 Sport Desmo | Harley Davidson VRSCA V-Rod | 350 Sport B | 50 SL / 50 SL/1 / 50 SL/1A / 50 SL2A |
| Years: | 1976-83 | 2004-05 | 1970-71 | 1966-68 |
| Engine: | Four stroke, parallel twin cylinder, SOHC, chain driven, 2 valve per cylinder | Four stroke, 60° V-twin, DOHC, 4 valve per cylinder | Four stroke, 20° inclination parallel twin cylinder, OHV engine with rocker support | Two-stroke, single cylinder, piston port |
| Capacity: | 496.9 cc / 30.2 cu in | 1130 cc / 59 cu-in | 349 cc / 21.3 cu-in | 49.7 cc / 3.0cu in |
| Bore x Stroke: | 78 x 52 mm | 100 x 72 mm | 63 x 56 mm | 38.8 x 42 mm |
| Compression Ratio: | 9.6:1 | 11.3:1 | 9.2:1 | 9.5:1 or 11:1 |
| Cooling System: | Air cooled | Liquid cooled | Air cooled | Air cooled |
| Induction: | Dell'Orto PHF30BS/BD | Sequential Port Electronic fuel injection with 53mm throttle bodies | 2x 24mm Dell'Orto carburetors | Dell'Orto SHA 14/12 carburetor |
| Ignition: | Points and coil | Sequential, single fire non waste spark, coil on plug | Dynamo | 6V 18W flywheel magneto, 16-18 |
| Starting: | Electric | Electric | Kick | Kick |
| Max Power: | 36.8 kW / 50 hp @ 8500 rpm | 115 hp / 84 kW @ 8250 rpm | 27 hp / 20.1 kW @ 7600 rpm | 3.1 kW / 4.2 hp @ 8600 rpm |
| Clutch: | Wet, multiplate | Nine plate wet pressure fed with integral compensation | Wet multiple plate clutch | Wet, multiplate |
| Transmission: | 5 Speed | 5 Speed | 5 Speed | four Speed |
| Final Drive: | Chain | Belt | Chain | Chain |
| Frame: | Tubular steel, double downtube | Steel perimeter upper frame w/ hydroformed main rails and bolt-on lower frame rails Swing Arm One piece cast aluminum polished | Single beam tubular and pressed steel | Tubular steel, dual cradle |
| Front Suspension: | 35 mm Paioli telescopic fork | Huge 49mm telescopic forks | Telescopic hydraulic fork | Telescopic fork |
| Rear Suspension: | Swing arm, 2 x Marzocchi shocks, 3-way adjustable | Dual coil over adjustable shock | Swinging arm fork with adjustable hydraulic shock absorbers | Swingarm, twin shocks |
| Front Brakes: | 2 x 256 mm Brembo discs | 2x 292mm discs 4 piston calipers | 200mm Drum | Drum, 105 mm |
| Rear Brakes: | Single 260 mm Brembo disc | Single 292mm disc 4 piston caliper | 200mm Drum | Drum, 105 mm |
| Front Tyre: | 3.25-18 | D207 120/70ZR-19 | 2.75-18 | 2.25 x 19 |
| Rear Tyre: | 3.50-18 | D207 180/55ZR-18 | 3.25-18 | 2.25 x 19 |