Yamaha WR 250X (2008-09) vs Yamaha YZF-R 25 (2018-19)
Comparison technical specifications
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| Make: | Yamaha | Yamaha |
| Model: | WR 250X | YZF-R 25 |
| Years: | 2008-09 | 2018-19 |
| Engine: | Four stroke, single cylinder, DOHC, 4 valve | Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder |
| Capacity: | 249 / 15.2 cub in. | 249 cc / 15.1 cu-in |
| Bore x Stroke: | 77 x 53.6 mm | 60 x 44.1 mm |
| Compression Ratio: | 11.8:1 | 11.6:1 |
| Cooling System: | Liquid cooled | Liquid cooled |
| Lubrication: | Dry sump | Wet sump |
| Induction: | Electronic fuel injection | Electronic Fuel Injection |
| Ignition: | TCI | TCI: Transistor Controlled Ignition |
| Starting: | Electric | Electric |
| Max Power: | 22.6 kW / 30.3 hp @ 10 000 rpm | 26.5 kW / 36 PS @ 12000 rpm |
| Max Torque: | 23.7 Nm 2.42 kgf-m / 17.5 lb-ft. @ 8 000 rpm | 22.1 Nm / 16.7 lb-ft @ 10000 rpm |
| Transmission: | 6 Speed | Constant Mesh, 6-speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Inverted fork; fully adjustable, 269mm wheel travel | 41mm KYB® telescopic fork; |
| Front Wheel Travel: | 269 mm / 10.6 in | 130 mm / 5.1 in |
| Rear Suspension: | Single shock; fully adjustable, 264mm wheel travel | KYB® single shock |
| Rear Wheel Travel: | 264 mm / 10.4 in | 124.4 mm / 4.9 in |
| Front Brakes: | Single 298mm disc | Single 298mm disc 2 piston caliper |
| Rear Brakes: | Single 230mm disc | Single 220mm disc |
| Front Tyre: | 110/70-17 | 110/70-17M/C 54H |
| Rear Tyre: | 140/70-17 | 140/70-17M/C 66H |
| Wheelbase: | 1425 mm / 56.1 in | 1379.2 mm / 54.3 in |
| Seat Height: | 894 mm / 35.2 in | 779.7 mm / 30.7 in |
| Ground Clearance: | 259 mm / 10.2 in | 160 mm / 6.2 in |
| Fuel Capacity: | 7.6 Litres / 2.0 gal | 14 Litres / 3.7 gal |