Yamaha WR 250X (2008-09) vs Yamaha XT660R (2008)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | WR 250X | XT660R |
| Years: | 2008-09 | 2008 |
| Engine: | Four stroke, single cylinder, DOHC, 4 valve | Four stroke, single cylinder, SOHC, 4 valve |
| Capacity: | 249 / 15.2 cub in. | 659 cc/ 40.2 cu-in |
| Bore x Stroke: | 77 x 53.6 mm | 100 x 84 mm |
| Compression Ratio: | 11.8:1 | 10.0: 1 |
| Cooling System: | Liquid cooled | Liquid cooled |
| Lubrication: | Dry sump | Dry sump |
| Induction: | Electronic fuel injection | Fuel injection, 44 mm throttle body |
| Ignition: | TCI | TCI |
| Starting: | Electric | Electric |
| Max Power: | 22.6 kW / 30.3 hp @ 10 000 rpm | 33.8 kW / 48 hp @ 6000 rpm |
| Max Torque: | 23.7 Nm 2.42 kgf-m / 17.5 lb-ft. @ 8 000 rpm | 58.4 Nm / 5.7 kgf-m @ 5250 rpm |
| Transmission: | 6 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Inverted fork; fully adjustable, 269mm wheel travel | 43 mm Telescopic forks, |
| Front Wheel Travel: | 269 mm / 10.6 in | 225 mm / 8.8 in |
| Rear Suspension: | Single shock; fully adjustable, 264mm wheel travel | Oscillating arm standard Monocross. 200mm wheel travel |
| Rear Wheel Travel: | 264 mm / 10.4 in | 200 mm / 7.9 in |
| Front Brakes: | Single 298mm disc | Single 298mm disc 2 piston caliper |
| Rear Brakes: | Single 230mm disc | Single 245mm disc 1 piston caliper |
| Front Tyre: | 110/70-17 | 90/90- 21 |
| Rear Tyre: | 140/70-17 | 130/80–17 |
| Dimensions: | Length 2,11 mm / 83.1 in Width 810 mm / 31.9 in Height 1191 mm / 46.9 in | Height 1230 mm / 48.4 in Length 2240 mm / 88.1 in Width 845 mm / 33.2 in |
| Wheelbase: | 1425 mm / 56.1 in | 1505 mm / 59.3 in |
| Seat Height: | 894 mm / 35.2 in | 865mm / 34.1 in |
| Ground Clearance: | 259 mm / 10.2 in | 210 mm / 8.3 in |
| Fuel Capacity: | 7.6 Litres / 2.0 gal | 15 Litres / 3.3 US gal |