Italjet Grifon 650 (2006) vs Harley-Davidson Harley Davidson VRSCA V-Rod (2006-07) vs Moto Guzzi V 11 Sport Rosso Mandello (2001-02) vs Hyosung GV 250 Aquila (2007-09) vs Triumph Bonneville 750 T140E America (1979)
Comparison technical specifications
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| Make: | Italjet | Harley-Davidson | Moto Guzzi | Hyosung | Triumph |
| Model: | Grifon 650 | Harley Davidson VRSCA V-Rod | V 11 Sport Rosso Mandello | GV 250 Aquila | Bonneville 750 T140E America |
| Years: | 2006 | 2006-07 | 2001-02 | 2007-09 | 1979 |
| Engine: | Four stroke, 90° V twin, DOHC, 4 valve | Four stroke, 60° V-twin, DOHC, 4 valve per cylinder | Four stroke, 90° V twin, longitudinally mounted, OHV, 4 valve per cylinder. | Four stroke, 75° V twin, DOHC, 4 per valve cylinder. | Four stroke, parallel twin, OHV, 2 valves per cylinder |
| Capacity: | 647 cc / 30.4 cu-in | 1130 cc / 59 cu-in | 1064 cc / 64.9 cu-in | 248 cc / 15.2 cu-in | 744 cc / 45.4 cu in |
| Bore x Stroke: | 81.5 x 62 mm | 100 x 72 mm | 92 x 80 mm | 57 x 48.8 mm | 76 x 82 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled | Oil/Air | Air cooled |
| Compression Ratio: | NA | 11.3:1 | 9.8:1 | 10.3:1 | 8.6:1 |
| Induction: | NA | Sequential Port Electronic fuel injection with 53mm throttle bodies | Magneti Marelli IAW Multipoint phased sequential fuel injection | 2x 26mm Mikuni carburetors | 2 x 30 mm Amal carburetors |
| Starting: | Electric | Electric | Electric | Electric | Electric and kick |
| Max Power: | 79 hp 58.9 kW @ 9000 rpm | 115 hp / 84 kW @ 8250 rpm | 91 hp / 66.3 kW @ 7800 rpm | 28 hp / 20.6 kW @ 10500 rpm | 40.3 kW / 54 hp @ 6200 rpm |
| Max Torque: | 68 Nm @ 7500 rpm | 100.3 Nm / 74 lb-ft @ 7300 rpm | 94 Nm / 69.3 lb-ft @ 6000 rpm | 22 Nm / 16.2 lb-ft @ 7300 rpm | 56.6 Nm / 5.77 kgf-m / 41.8 ft-lb @5500 rpm |
| Transmission: | 6 Speed | 5 Speed | 5 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain | Belt | Shaft | Chain | Chain, 106 links |
| Front Suspension: | Telescopic forks | Huge 49mm telescopic forks | 40mm Marzocchi upside-down forks, adjustable compression, 120mm wheel travel. | 41mm Forks | Telescopic forks |
| Rear Suspension: | Swinging arm | Dual coil over adjustable shock | Cantilever swingarm, Sachs Boge mono shock, adjustable compression and rebound damping, 128mm wheel travel. | Dual shocks | Swingarm, Girling shocks, 3-way spring preload adjustable |
| Front Brakes: | 2x discs | 2x 292mm discs 4 piston calipers | 2x 320mm discs 4 piston calipers | Single disc | Single 254 mm disc, 1 piston caliper |
| Rear Brakes: | Single disc | Single 292mm disc 4 piston caliper | Single 282mm disc 2 piston caliper | Drum | Single 254 mm disc, 1 piston caliper |
| Front Tyre: | NA | D207 120/70ZR-19 | 120/70-17 | 110/90 -16 | 3.25-19 |
| Rear Tyre: | NA | D207F 180/55ZR-18 74W | 170/60-17 | 150/80-15 | 4.00-18 |
| Seat Height: | 762 mm / 30 in | Laden2 660.4 mm / 26.0 in Unladen 688.3 mm / 27.1 in | 800 mm / 31.5 in | 700 mm / 27.6 in | 813 mm / 32.0 in |
| Dry Weight: | 184 kg / 407 lbs | 272.4 kg / 600 lbs | 219 kg / 482.8 lbs | 155 kg / 341.7 lbs | 200 kg / 441 lbs |
| Fuel Capacity: | 17 Litres / 4.5 US gal | 15 Litres / 4.0 US gal | 19 Litres / 5.0 US gal | 14 Litres / 3.7 US gal | 18.2 Litres / 4.8 US gal / 4.0 Imp gal |