Ducati 900 SS (1978) vs Yamaha V-Max (2012) vs Ducati 500 Desmo (1978-79)
Comparison technical specifications
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| Make: | Ducati | Yamaha | Ducati |
| Model: | 900 SS | V-Max | 500 Desmo |
| Years: | 1978 | 2012 | 1978-79 |
| Engine: | Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven | Four stroke, V-four, DOHC, 4 valve per cylinder. | Four stroke, parallel twin cylinder, SOHC, chain driven, 2 valve per cylinder |
| Capacity: | 864 cc / 52.7 cu in | 1679 cc / 102.4 cu-in | 496.9 cc / 30.2 cu in |
| Bore x Stroke: | 86 x 74.4 mm | 90 x 66 mm | 78 x 52 mm |
| Compression Ratio: | 9.5:1 | 11.3:1 | 9.6:1 |
| Cooling System: | Air cooled | Liquid cooled | Air cooled |
| Induction: | 2 x Dell'Orto PHM 40 A, B or C carburetors | Mikuni 48mm fuel injection | Dell'Orto PHF30BS/BD |
| Ignition: | Electronic | TCI | Points and coil |
| Starting: | Kick (electric as an option) | Electric | Electric |
| Max Power: | 49.2 kW / 67 hp @ 7500 rpm | 147.2 kW / 200 hp @ 9000 rpm | 36.8 kW / 50 hp @ 8500 rpm |
| Clutch: | Wet, multiplate | Wet, multiple-disc diaphragm spring | Wet, multiplate |
| Transmission: | 5 Speed | 5 Speed with slipper clutch | 5 Speed |
| Final Drive: | Chain | Shaft | Chain |
| Front Suspension: | 38 mm Marzocchi fork | 52mm Telescopic forks | 35 mm Paioli telescopic fork |
| Rear Suspension: | Marzocchi 310 mm dual shocks, 3-way adjustable | Swingarm Link-type suspension | Swing arm, 2 x Marzocchi shocks, 3-way adjustable |
| Front Brakes: | 2 x 280mm Disc, 1 piston caliper | 2x 320mm discs | 2 x 256 mm Brembo discs |
| Rear Brakes: | Single 229 mm disc | Single 280mm disc | Single 260 mm Brembo disc |
| Dimensions: | Length: 2200 mm / 86.6 in Width: 675 mm / 26.6 in Height: 1050 mm / 41.3 in | Length 2395 mm / 94.3 in Width 820 mm / 32.3 in Height 1190 mm / 46.9 in | Length: 2050 mm / 80.7 in Width: 710 mm / 28.0 in Height: 1060 mm / 41.7 in |
| Wheelbase: | 1500 mm / 59.0 in | 1700 mm / 66.9 in | 1400 mm / 55.1 in |
| Seat Height: | 760 mm / 29.9 in | 775 mm / 30.5 in | 760 mm / 29.9 in |
| Fuel Capacity: | 20 L / 5.3 US gal / 4.4 Imp gal | 15 Litres / 4.0 US gal | 14 L / 3.7 US gal / 3.1 Imp gal |
| Standing ¼ Mile: | 12.6 sec | 10.9 sec | 13.7 sec |
| Top Speed: | 217 km/h / 135 mph | 222.4 km/h / 138.1 mph | 185 km/h / 115 mph |