Moto Guzzi V9 Roamer (2019-20) vs Ducati 450 Desmo (1973-74)
Comparison technical specifications
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| Make: | Moto Guzzi | Ducati |
| Model: | V9 Roamer | 450 Desmo |
| Years: | 2019-20 | 1973-74 |
| Engine: | Transversal 90° V-twin, 4-stroke, 2-valves per cylinder | Four stroke, single cylinder, SOHC, bevel gear driven, desmodromic |
| Capacity: | 853 cc / 52.0 cu in | 435.7 cc / 26.6 cu in |
| Bore x Stroke: | 84 x 77 mm | 86 x 75 mm |
| Cooling System: | Air/oil cooled | Air cooled |
| Compression Ratio: | 10.5:1 | 9.5:1 |
| Induction: | Marelli MIU single-body electronic injection, integrated management of traction control on 2 levels | Dell'Orto VHB 29 A |
| Ignition: | Electronic | Points and coil (electronic from 1973) |
| Starting: | Electric | Kick |
| Max Power: | 40.44 kW / 55 hp @ 6250 rpm | 19.9 kW / 27 hp @ 6700 rpm |
| Clutch: | 170 mm Single disc with integrated flexible couplings | Wet, multiplate |
| Transmission: | 6-Speed | 5 Speed |
| Final Drive: | Shaft, double universal joint and double bevel gear units, 8:33 ratio | Chain |
| Gear Ratios: | 1st 16:39 (2.437) / 2nd 18:32 (1.778) / 3rd 21:28 (1.333) / 4th 24:26 (1.083) / 5th 25:24 (0.960) 6 th 28:24 (0.857) | 1st 2.46 / 2nd 1.73 / 3rd 1.35 / 4th 1.10 / 5th 0.97:1 |
| Front Suspension: | 40mm Standard fork | 35 mm Marzocchi telescopic fork (from 1974: 35 mm Ceriani) |
| Rear Suspension: | Swingarm with double shock absorber with adjustable spring preload. | Swingarm, dual Marzocchi shocks, 3-way adjustable |
| Front Brakes: | Single 320mm stainless steel floating disc, Brembo opposed four-piston callipers | Single 280 mm disc |
| Rear Brakes: | Single 260mm stainless steel floating disc, Brembo opposed two-piston callipers | 150 mm Drum |
| Front Tyre: | 100/90 - 19 | 2.75-18 |
| Rear Tyre: | 150/80 - 16 | 3.00 x 18 or 3.25 x 18 |
| Dimensions: | Length: 2240 mm / 88.1 in Width: 865 mm / 34.0 in Height: 1165 mm / 45.8 in | Length: 2000 mm / 78.7 in Width: 600 mm / 23.6 in Height: 940 mm / 37.0 in |
| Wheelbase: | 1465 mm / 57.6 in | 1360 mm / 53.5 in |
| Seat Height: | 818 mm / 32.2 in | 735 mm / 28.9 in |
| Fuel Capacity: | 15 Litres / 4.0 US gal | 13 L / 3.4 US gal / 2.9 Imp gal |