Ducati 900SS (1989-90) vs Ducati 125 Sport (1965-67) vs Ducati 250 Mach 1 (1964-66) vs Ducati GT 1000 Classic (2006) vs Ducati Monster 1200S Black (2020)
Comparison technical specifications
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| Make: | Ducati | Ducati | Ducati | Ducati | Ducati |
| Model: | 900SS | 125 Sport | 250 Mach 1 | GT 1000 Classic | Monster 1200S Black |
| Years: | 1989-90 | 1965-67 | 1964-66 | 2006 | 2020 |
| Engine: | Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder, belt driven | Four stroke, single-cylinder, OHC, bevel gear driven | Four stroke, single cylinder, Desmo SOHC, bevel gear-drive | Four stroke, 90° “L” twin cylinder, desmodromic 2 valves per cylinder, operated by four rocker arms (two opening rockers and 2 closing rockers) SOHC. Driven by the crankshaft through spur gears, timing belt pulleys and toothed timing belts | Four stroke, Testastretta 11° L-Twin, DOHC, 4 Desmodromically actuated valves per cylinder |
| Capacity: | 904 cc / 55.2 cu in | 124.4 cc / 7.6 cu in | 248.6 cc / 15.2 cu in | 992 cc / 60.5 cu in | 1198 cc / 72.9 cu-in |
| Bore x Stroke: | 92 x 68 mm | 55.2 x 52 mm | 74 x 57.8 mm | 94 x 71.5 mm | 106 x 67.9 mm |
| Compression Ratio: | 9.2:1 | 8.0:1 | 10:1 | 10.0:1 | 13.0:1 |
| Cooling System: | Air cooled | Air cooled | Air cooled | Air cooled | Liquid cooled |
| Induction: | Weber 44DCNF 118 | Dell'Orto UB20BS carburetor | Dell'Orto SS1 29A carburetor | Marelli electronic fuel injection, 45mm throttle body | Electronic fuel injection system, 56mm oval throttle bodies with full Ride-by-Wire |
| Ignition: | Electronic inductive discharge | Battery and coil, 6V 40W generator | Battery and coil, 6V 60W generator | Marelli electronic | Marelli electronic |
| Starting: | Electric | Kick | Kick | Electric | Electric |
| Max Power: | 61.8 kW / 84 hp @ 7000 rpm (rear tyre 53.7 kW / 73hp @ 8100 rpm) | 7.5 kW / 10 hp @ 8500 rpm | 20.6 kW / 28 hp @ 8500 rpm | 61 kW / 81.8 hp @ 8,000 rpm | 147 hp / 108 kW @ 9250 rpm |
| Transmission: | 6 Speed | 4 Speed | 5 Speed | 6 Speed | 6 Speed with Ducati Quick Shift up & down (DQS) |
| Final Drive: | Chain | Chain | Chain | Chain, gear ration:15/39 | Chain, front sprocket Z=15, rear sprocket Z=41 |
| Front Suspension: | 40mm Marzocchi fully adjustable inverted fork | Hydraulically damped telescopic forks, Marzocci | Hydraulic telescopic fork, Ducati 31.5 mm | 43 mm Marzocchi upside down fork | 48 mm Öhlins fully adjustable USD fork |
| Rear Suspension: | Progressive type with adjustable Marzocchi monoshock | Swingarm, dual shocks, 3-way adjustable | Swingarm, dual shocks, Marzocchi 295 mm, three-way adjustable | Twin shock absorbers, spring preload | Progressive linkage with fully adjustable Öhlins monoshock, aluminium single-sided swingarm |
| Front Brakes: | 2 x 320mm discs | Drum | Drum, 180 mm | 2x 320 mm Semi-floating discs, 4 piston calipers | 2 x 320 mm Semi-floating discs, radially mounted Monobloc Brembo Evo M50 callipers, 4-pistons, radial pump with Bosch ABS as standard |
| Rear Brakes: | Single 245mm disc | Drum | Drum, 160 mm | Single 245 mm disc, 2 piston caliper | Single 245mm disc, 2-piston floating calliper with Bosch ABS as standard equipment |
| Front Tyre: | 120/70-17 | 2.50 - 17 CEAT | 2.50-18 CEAT | 120/70 ZR17 | 120/70 - ZR17 Pirelli Diablo Rosso III |
| Rear Tyre: | 170/60-17 | 2.75 - 17 CEAT | 2.75-18 CEAT | 180/55 ZR17 | 190/55 - ZR17 Pirelli Diablo Rosso III |
| Dry Weight: | 180 kg / 397 lbs | 100.5 kg / 221 lbs | 116 kg / 255 lbs | 185 kg / 407.8 lbs | 185 kg / 408 lbs |
| Fuel Capacity: | 17.5 L / 4.6 US gal / 3.8 Imp gal | 16 L / 4.2 US gal / 3.5 Imp gal | 13 L / 3.4 US gal / 2.9 Imp gal | 15 Litres / 4.0 US gal / 3.3 Imp gal | 16.5 Litres / 4.36 US gal |