Enter the new YZF-R25. This lightweight super sport gets a whole new MotoGP®-inspired look that makes it the most radical 250cc machine on the street. Its sleek new bodywork echoes the Yamaha’s YZR-M1 MotoGP® machine – and the aggressive new dual LED headlights underline its pure R-series DNA.
| Engine Type | 4-Stroke, 8 Valve DOHC | |
| Cylinder arrangement | Up right two-cylinder | |
| Displacement | 249cc | |
| Bore X Stroke | 60.0 X 44,1mm | |
| Compression Ratio | 11.6 : 1 | |
| Maximum Power | 26.5kW (12,000rpm) | |
| Maximum Torque | 22.6N.m (10,000rpm) | |
| Lubrication System | Wet Sump | |
| Starting System | Electric Starter | |
| Fuel Supply | Wet | |
| Engine Oil Capacity | 2.40 Liters | |
| Fuel Tank Capacity | 14.30 Liters | |
| Fuel Admitting System Type | Fuel Injection | |
| Ignition System | TCI |
| Frame Type | Diamond | |
| Overall Length | 2,090mm | |
| Overall Width | 720mm | |
| Overall Height | 1,135mm | |
| Seat Height | 780mm | |
| Minimum Ground Clearance | 160mm | |
| Weight (including full oil and fuel tank) | 166kg |