| Attribute | Yamaha XT660X 2015 × | Moto Guzzi Nevada Aquila Nera 2016 × |
|---|---|---|
| General | ||
| Production from (year) | 2015 | 2016 |
| Make | Yamaha | Moto Guzzi |
| Model | Yamaha XT660X | Moto Guzzi Nevada Aquila Nera |
| Category | Super motard | Custom / cruiser |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | V2, four-stroke |
| Valves per cylinder | 4 | 2 |
| Fuel system | Injection. EFI | Injection |
| Engine details | - | 90° V-Twin. Light alloy push-rod. |
| Displacement (cm³) | 660 | 744 |
| Power (kw) | 34.6 | 35 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Shaft drive (cardan) |
| Torque (Nm) | 60 | 60 |
| Bore (mm) | 100 | - |
| Stroke (mm) | 84 | - |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Single Overhead Cams (SOHC) | Overhead Valves (OHV) |
| Emission details | - | 3-way catalytic converter with twin lambda probe |
| Driveline | Constant Mesh | - |
| Ignition | TCI | - |
| Clutch | Wet, multiple-disc coil spring | Single disc, dry, with cush drive |
| Lubrication system | Dry sump | - |
| Compression | 10.0:1 | - |
| Chassis | ||
| Front suspension | Telescopic forks | Hydraulic telescopic fork |
| Rear suspension | Linked monoshock with spring preload adjustment | Swinging arm cast light alloy with two dampers, spring preload |
| Front brakes | Single disc. Hydraulic | Single disc. 4-piston calliper |
| Rear brakes | Single disc. Hydraulic | Single disc |
| Diameter (mm) | 245 | 260 |
| Frame type | Steel tube, diamond shaped | Detachable tubular duplex cradle in special high-strengh steel |
| Front tyre | 120/70-R17 | 100/90-18 |
| Rear tyre | 160/60-R17 | 130/90-16 |
| Wheels | Aluminium rims | - |
| Front wheel travel (mm) | 200 | 130 |
| Rear wheel travel (mm) | 200 | 130 |
| Trail (mm) | 94 | 138 |
| Rake (fork angle) (degree) | 26 | 27.5 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,505 | 1,467 |
| Kerb weight (kg) | 186 | 179 |
| Overall length (mm) | 2,175 | 2,166 |
| Seat height (mm) | 865 | 767 |
| Ground clearance (mm) | 210 | 290 |
| Performance | ||
| Reserve fuel capacity (l) | - | 4 |
| Fuel capacity (l) | 15 | 14 |
| Oil capacity (l) | 2.9 | - |