Moto Guzzi California III injection (1990-92) vs Ducati 998 S Final Edition (2004) vs Harley-Davidson Harley Davidson VRSCSE2 Screamin Eagle V-Rod (2006) vs Harley-Davidson Harley Davidson VRSCAW/A V-Rod (2010)
Comparison technical specifications
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| Make: | Moto Guzzi | Ducati | Harley-Davidson | Harley-Davidson |
| Model: | California III injection | 998 S Final Edition | Harley Davidson VRSCSE2 Screamin Eagle V-Rod | Harley Davidson VRSCAW/A V-Rod |
| Years: | 1990-92 | 2004 | 2006 | 2010 |
| Engine: | Four stroke, V twin, longitudinally mounted, OHV, 2 valve per cylinder | Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valve per cylinder, belt driven | Four stroke, 60° V-twin, DOHC, 4 valve per cylinder. | Four stroke, 60° V-twin, DOHC, 4 valve per cylinder. |
| Capacity: | 948.8 cc / 57.8 cu-in | 998 cc / 60.9 cu in | 1250 cc / 76.2 cu-in | 1250 cc / 76.2 cu-in |
| Bore x Stroke: | 88 x 78 mm | 100 x 63.5 mm | 105 x 72 mm | 105 x 72 mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 9.2:1 | 11.4:1 | 11.3;1 | 11.3;1 |
| Lubrication: | Wet sump | Wet sump | Gerotor, wet sump | Gerotor, wet sump |
| Induction: | Digital electronic injection Weber IAW ALFA-N system with electric feeding pump, 36 mm throttle units | Weber Marelli CPU 5.9M, 54mm throttle bodies, electronic fuel injection | Electronic Sequential Port Fuel Injection | Electronic Sequential Port Fuel Injection |
| Ignition: | Motoplat electronic ignition, Digital computerized electronic Weber IAW ALFA-N system, inductive spark | Digital CDI | Sequential, single fire non waste spark, coil on plug | Sequential, single fire non waste spark, coil on plug |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 67 hp / 50 kW @ 6850 rpm | 100 kW / 136 hp @ 10200 rpm | 123 hp / 90.5 kW @ 8000 rpm | 123 hp / 90.5 kW @ 8000 rpm |
| Max Torque: | 74.5 Nm / 55 ft-lb @ 5200 rpm | 101 Nm / 74.4 lb-ft @ 8000 rpm | 115 Nm / 86 ft-lbs@ 7000 rpm | 115 Nm / 86 ft-lbs@ 7000 rpm |
| Clutch: | Twin plate, dry type | Dry multiplate with hydraulic control | Nine plate wet pressure fed with integral compensation | Nine plate wet pressure fed with integral compensation |
| Transmission: | 5 Speed | 6 Speed | 5 Speed | 5 Speed |
| Final Drive: | Shaft | Chain | Belt | Belt |
| Front Suspension: | Telescopic with preload adjustment | Öhlins upside down fork with 43 mm of condition pipe diameter, TiN coating | Huge 49mm telescopic forks | Huge 49mm telescopic forks |
| Rear Suspension: | Dual Koni shocks 5-way preload | A arm rocker with progressively working Öhlins central shock strut | Dual coil over adjustable shock | Dual coil over adjustable shock |
| Front Brakes: | 2x 300mm discs 2 Brembo piston calipers | 2 x 320 mm Discs, 4 piston calipers | 2x 300mm discs 4 piston calipers | 2x 300mm discs 4 piston calipers |
| Rear Brakes: | Single 270mm disc Brembo 2 piston calipers | Single 220 mm disc, 2 piston caliper | Single 300mm disc 4 piston caliper | Single 300mm disc 4 piston caliper |
| Front Tyre: | 110/90 V18 | 120/70 ZR17 | D207F 120/70ZR-19 60W | 120/70 ZR19 |
| Rear Tyre: | 130/90 V18 | 190/50 ZR17 | D207F 240/40R18 74W | 240/40 ZR18 |
| Dry Weight: | 250 kg / 550 lbs | 187 kg / 412 lbs | 298 kg / 657 lbs | 288 kg / 637 lbs |
| Fuel Capacity: | 25 Litres / 6.6 US gal | 17 Litres / 4.5 US gal / 3.7 Imp gal | 14 Litres / 3.7 US gal | 18.9 Litres / 5.0 US gal |