Equipped with the most advanced performance-boosting technology in its class, the YZ250F’s all-new engine is the most powerful production 250cc 4-stroke ever manufactured by Yamaha.
Its new lightweight electric starter saves valuable seconds when it matters – and with Yamaha’s exclusive Power Tuner app and adjustable mapping, it’s easy to choose the exact power profile for optimum race results at every track.
The compact new chassis increases agility – and new suspension systems deliver winning performance with class-leading feel. So expect more. Because the all-new Yamaha YZ250F gives you the highest level of tuneable performance ever seen in the 250cc class.
- Engine TypeLiquid cooled, 4-stroke, DOHC, 4-valve
- Displacement (cc)250.0
- Bore x Stroke (mm)77.0 x 53.6
- Compression Ratio13.8 : 1
- Lubrication SystemWet sump
- Fuel ManagementFuel Injection
- Starter SystemElectric
- Fuel Tank Capacity (L)6.5
- Final TransmissionChain
- TransmissionConstant mesh 5-speed
- Frame TypeBilateral beam
- Suspension FrontTelescopic forks, 310mm travel
- Suspension RearSwingarm (link suspension), 315mm travel
- Brakes FrontHydraulic single disc, 270mm
- Brakes RearHydraulic single disc, 245mm
- Tyres Front80/100-21 51M
- Tyres Rear100/90-19 57M