Ducati 750 Sport (1989-90) vs Harley-Davidson Harley Davidson FLHRS/I Road King Custom (2006) vs Harley-Davidson Harley Davidson XL 1200X Forty-Eight (2010) vs MV Agusta 250 Turismo Raid (1957-60)
Comparison technical specifications
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| Make: | Ducati | Harley-Davidson | Harley-Davidson | MV Agusta |
| Model: | 750 Sport | Harley Davidson FLHRS/I Road King Custom | Harley Davidson XL 1200X Forty-Eight | 250 Turismo Raid |
| Years: | 1989-90 | 2006 | 2010 | 1957-60 |
| Engine: | Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valves per cylinder, belt driven | Four stroke, 45° V-Twin, Twin Cam 88® vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder | Four stroke, 45° V-Twin, OHV, 2 valves per cylinder. | Four stroke, single cylinder, pushrod, 2 valve |
| Capacity: | 748 cc / 45.6 cu-in | 1449 cc / 88.4 cu-in | 1199 cc / 73.2 cu in. | 246 cc / 15.0 cu-in |
| Bore x Stroke: | 88 x 61.5 mm | 95.3 x 101.6 mm | 88.8 x 96.8 mm | 69 x 66 mm |
| Cooling System: | Air cooled | Air cooled | Air cooled | Air cooled |
| Compression Ratio: | 10:1 | 8.9:1 | 9.7:1 | 7.2:1 |
| Induction: | Weber 44DCNF 113 | Carburetion 40 mm constant velocity with enrichener and accelerator pump ESPFI 38 mm throttle bore electronic sequential port fuel injection | Electronic Sequential Port Fuel Injection (ESPFI) | 24 mm carburettor |
| Ignition: | Kokusan electronic | Single-fire, non-wasted, map-controlled spark ignition | Digital CDI | Flywheel magneto |
| Starting: | Electric | Electric | Electric | Kick |
| Transmission: | 5 Speed | 5 Speed | 5 Speed | 4 speed |
| Final Drive: | Chain | Belt | Belt | Chain |
| Front Suspension: | 40 mm Marzocchi M1BB telescopic fork | 41.3 mm, telescopic | ∅39mm Fork | Telescopic hydraulic fork |
| Rear Suspension: | Marzocchi PBS1R monoshock, cantilever swingarm | Short, air-adjustable | Coil-over; preload dual-adjustable | Swingarm with hydraulic shocks |
| Front Brakes: | 2 x 280mm Discs, 2 piston calipers | 2x 292mm discs 4 piston calipers | Single ∅300mm disc, 2 x ∅38mm piston calipers | 200mm Drum |
| Rear Brakes: | Single 270 mm disc, 2 piston caliper | Single 292mm disc 4 piston caliper | Single ∅300mm disc, 2 x ∅38mm piston calipers | 200mm Drum |
| Front Tyre: | 130/60-16 | D402F MT90B16 72H | MT90B16 | 3.00-19 |
| Rear Tyre: | 160/60-16 | D402 MU85B16 77H | 150/80-B16 | 3.25-19 |
| Wheelbase: | 1450 mm / 57.1 in | 1613 mm / 63.5 in | 1520 / 59.8 in | 1340 mm / 52.7 in |
| Fuel Capacity: | 17 L / 4.5 US gal / 3.7 Imp gal | 19 Litres / 5.0 US gal | 13.7 L / 3.6 US gal | 17 Litres / 4.5 US gal |