Comparison of Yamaha XT 660 R 2007 and Yamaha XT 660 R 2004 [S]ave
| Attribute |  Yamaha XT 660 R 2007 × |  Yamaha XT 660 R 2004 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2004 |
| Make | Yamaha | Yamaha |
| Model | Yamaha XT 660 R | Yamaha XT 660 R |
| Category | Enduro / offroad | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Injection | Injection |
| Displacement (cm³) | 660 | 659 |
| Power (kw) | 34.5 | 35 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 60 | 58.4 |
| Bore (mm) | 100 | 100 |
| Stroke (mm) | 84 | 84 |
| Gearbox | 5-speed | - |
| Fuel control | Single Overhead Cams (SOHC) | - |
| Clutch | Wet, multiple-disc coil spring | - |
| Lubrication system | Wet sump | - |
| Compression | - | 10.0:1 |
| Chassis | ||
| Front suspension | Telescopic forks | Telescopic fork, diameter 43 mm |
| Rear suspension | Swingarm (monocross) | Monocross with linkage |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 245 | 245 |
| Frame type | Steel tube, diamond shaped | - |
| Front tyre | 90/90-M21 | 90/90-M21 |
| Rear tyre | 130/80-M17 | 130/80-M17 |
| Front wheel travel (mm) | 225 | 225 |
| Rear wheel travel (mm) | 200 | 200 |
| Other | ||
| Starter | Electric | - |
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,505 | 1,500 |
| Dry weight (kg) | 172 | 165 |
| Power/weight ratio | 0.2006 | 0.2121 |
| Overall height (mm) | 1,230 | 1,235 |
| Overall length (mm) | 2,240 | 2,240 |
| Overall width (mm) | 845 | 850 |
| Seat height (mm) | 865 | 855 |
| Ground clearance (mm) | 210 | 200 |
| Performance | ||
| Fuel capacity (l) | 15 | - |
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