Beta RR 525 Motard (2009-10) vs Harley-Davidson Harley Davidson VRSCR Street Rod (2007) vs Ducati 350 SC (Sport Corsa) (1965-66) vs Moto Guzzi California Stone (2001-)
Comparison technical specifications
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| Make: | Beta | Harley-Davidson | Ducati | Moto Guzzi |
| Model: | RR 525 Motard | Harley Davidson VRSCR Street Rod | 350 SC (Sport Corsa) | California Stone |
| Years: | 2009-10 | 2007 | 1965-66 | 2001- |
| Engine: | Four stroke, single cylinder, OHC, 4 valve | Four stroke, 60° V-twin, DOHC, 4 valve per cylinder | Four stroke, single cylinder, Desmo SOHC, 2 valve, bevel gear-driven | Four stroke, 90° V twin, longitudinally mounted, OHV, 2 valve per cylinder. |
| Capacity: | 510 cc / 31.1 cu in | 1130 cc / 59 cu-in | 340.2 cc / 20.8 cu-in | 1064 cc / 64.9 cu-in |
| Bore x Stroke: | 95 x 72 mm | 100 x 72 mm | 76 x 75 mm | 92 x 80 mm |
| Compression Ratio: | 11.0:1 | 11.3:1 | 10:1 | 9.8:1 |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled | Air cooled |
| Induction: | Keihin FCR-MX 39 | Sequential Port Electronic fuel injection with 53mm throttle bodies | Dell'Orto SS1 30 | Magneti Marelli IAW Multipoint phased sequential fuel injection |
| Ignition: | DC-CDI without trembler with variable ignition timing, Kokusan type | Sequential, single fire non waste spark, coil on plug | Points and coil, 6V 30W generator | Magneti Marelli IAW electronic digital ignition |
| Starting: | Electric and kick | Electric | Kick | Electric |
| Clutch: | Wet, multi-disc | Nine plate wet pressure fed with integral compensation | Wet, multiplate | Single disc, dry, with mechanical control |
| Transmission: | 6 Speed | 5 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain | Belt | Chain | Shaft |
| Frame: | Molybdenum steel with double cradle split above the exhaust port | Steel perimeter upper frame w/hydro formed main rails and bolt-on lower frame rails, MIG welded | Twin cradle, tubular steel | Detachable tubular duplex cradle in special high-strengh steel |
| Front Suspension: | Hydraulic USD fork, Ø45 mm | Huge 49mm telescopic forks | Marzocchi 32 mm telescopic fork | 45mm Marzocchi hydraulic telescopic fork, adjustable separately |
| Rear Suspension: | Monoshock with progressive compound lever, 300mm wheel travel | Dual coil over adjustable shock | Swingarm, Marzocchi dual shocks | Swing arm with 2 hydraulic shock absorbers with preload adjustment |
| Front Brakes: | Single Ø 260 mm floating disc, 2 piston floating caliper | 2x 292mm discs 4 piston calipers | 200 mm Oldani / 230 mm Grimeca | 2x 320mm discs 4 piston calipers |
| Rear Brakes: | Single Ø 240 mm disc, 1 piston floating caliper | Single 292mm disc 4 piston caliper | 200 mm Oldani / 230 mm Grimeca | Single 282mm disc 2 piston caliper |
| Front Tyre: | 120/70 - 17 | D207 120/70ZR-19 | 19 | 110/90-18 |
| Rear Tyre: | 150/60 - 17 | D207 180/55ZR-18 | 19 | 140/80-17 |
| Wheelbase: | 1487 mm / 58.5 in | 1713 mm / 67.5 in | 1320 mm / 52.0 in | 1560 mm / 61.4 in |
| Dry Weight: | 117 kg / 258 lbs | 281 kg / 618 lbs | 117 kg / 258 lbs | 251.0 kg / 553.3 lbs |