| Attribute | Yamaha XT 660 R 2004 × | Yamaha XT 600 E 2002 × |
|---|---|---|
| General | ||
| Production from (year) | 2004 | 2002 |
| Make | Yamaha | Yamaha |
| Model | Yamaha XT 660 R | Yamaha XT 600 E |
| 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 | - |
| Displacement (cm³) | 659 | 595 |
| Power (kw) | 35 | 29.2 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | - |
| Torque (Nm) | 58.4 | 48 |
| Bore (mm) | 100 | 95 |
| Stroke (mm) | 84 | 84 |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Compression | 10.0:1 | 8.5:1 |
| Chassis | ||
| Front suspension | Telescopic fork, diameter 43 mm | - |
| Rear suspension | Monocross with linkage | - |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 245 | 220 |
| Front tyre | 90/90-M21 | 90/90-21 54S |
| Rear tyre | 130/80-M17 | 120/90-17 64S |
| Front wheel travel (mm) | 225 | 225 |
| Rear wheel travel (mm) | 200 | 200 |
| Other | ||
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,500 | 1,440 |
| Dry weight (kg) | 165 | 160 |
| Power/weight ratio | 0.2121 | 0.1825 |
| Overall height (mm) | 1,235 | 1,205 |
| Overall length (mm) | 2,240 | 2,220 |
| Overall width (mm) | 850 | 865 |
| Seat height (mm) | 855 | 855 |
| Ground clearance (mm) | 200 | 230 |