Ducati 48/50 Brio (1963-67) vs Honda CBR 500R (2022) vs Moto Guzzi V7 Special (2012) vs Harley-Davidson Harley Davidson FXDB Dyna Street Bob (2009-10)
Comparison technical specifications
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| Make: | Ducati | Honda | Moto Guzzi | Harley-Davidson |
| Model: | 48/50 Brio | CBR 500R | V7 Special | Harley Davidson FXDB Dyna Street Bob |
| Years: | 1963-67 | 2022 | 2012 | 2009-10 |
| Engine: | Two-stroke, single cylinder, piston port | Four stroke, parallel-twin, DOHC, 4 valves per cylinder | Four stroke, V twin, longitudinally mounted, OHV, 2 valves per cylinder. | Four stroke, 45° V-Twin, Twin Cam 96 vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder |
| Capacity: | 47.6 cc / 2.9 cu in | 471 cc / 28.7 cu-in | 744 cc / 45.4 in | 1584 cc / 96 cu-in |
| Bore x Stroke: | 38 x 42 mm | 67.0 x 66.8 mm | 80 x 74 mm | 95.3 x 111.1 mm |
| Compression Ratio: | 7.0:1 | 10.7:1 | 9.6:1 | 9.2:1 |
| Cooling System: | Fan cooled | Liquid cooled | Air cooled | Air cooled |
| Induction: | Dell'Orto SHA 14/12 | PGM-FI with 34mm throttle bodies | Weber- Marelli electronic injection | Electronic Sequential Port Fuel Injection (ESPFI) |
| Ignition: | 6V 18W flywheel magneto | Computer-controlled digital transistorized with electronic advance | Magneti Marelli electronic digital | Single-fire, non-wasted, map-controlled spark ignition |
| Starting: | Kick | Electric | Electric | Electric |
| Transmission: | Three speed | 6 Speed | 5 Speed | 6 Speed |
| Final Drive: | Chain | O-ring-sealed chain | Shaft, ratio 4.825 | Belt |
| Frame: | Pressed steel | Steel diamond | Detachable tubular duplex cradle | Mild steel, tubular frame; rectangular section backbone; stamped, cast and forged junctions, forged fender supports; MIG welded |
| Front Suspension: | Swinging shackle fork | 41mm Showa SFF-BP Inverted fork, pre-load adjustable | Marzocchi Ø 40 mm telescopic front forks | 49 mm with polished aluminum fork triple clamp and dual-rate springs, |
| Rear Suspension: | Swingarm, dual rubber shocks | Prolink mono with 5 stage pre-load adjuster, Steel hollow cross swingarm | Swinging arm in light cast alloy with two dampers and adjustable preload | Coil over shock , |
| Front Brakes: | Drum, 105 mm | 2x 296mm wave disc with Nissin radial-mount two piston calipers | Single 320mm disc 2 piston caliper | Single 300mm disc 4 piston caliper |
| Rear Brakes: | Drum, 105 mm | Single 240mm wave disc 1 piston calipers | Single 260mm disc 2 piston caliper | Single 292mm disc 2 piston caliper |