Motocross Bikes
2025Yamaha YZ250FX
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The 2025 Yamaha YZ250FX is a versatile four-stroke enduro machine designed for intermediate to advanced off-road riders seeking trail and cross-country performance. Powered by a 250cc liquid-cooled single-cylinder engine with titanium valves and fuel injection, it delivers reliable power and efficient handling across varied terrain. This model is renowned for its balance of lightweight agility and genuine off-road capability at an accessible price point.
- Capacity
- 250.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Wet weight
- 110.2 kg
- Seat height
- 955 mm
- Power
- 38.0 HP (27.9 kW)
What’s new for the 2025 Yamaha YZ250FX
vs the 2024| Spec | 2024 | 2025 |
|---|---|---|
| Wet weight | 112.9 kg (248.9 pounds) | 110.2 kg (242.9 pounds) |
| Seat height | 965 mm (38.0 inches) | 955 mm (37.6 inches) |
| Fuel capacity | 7.60 litres (2.01 US gallons) | 8.00 litres (2.11 US gallons) |
| Front suspension | KYB Speed-Sensitive System | KYB® spring-type fork with speed sensitive damping; fully adjustable |
| Rear suspension | KYB Fully adjustable single shock | KYB® single shock; full adjustable |
| Wheelbase | 1466 mm (57.7 inches) | 1481 mm (58.3 inches) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for cross-country and off-road racing, favoring flickable handling and strong midrange over outright top speed or road use.
- Built for
- A precise, high-revving 250cc four-stroke race bike with sharp throttle response and razor-sharp handling in tight, technical terrain.
- Not ideal for
- Not suited to riders wanting a comfortable street commuter, a passenger-friendly setup, or long-distance paved touring.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 250.0 ccm
- Power
- 38.0 HP (27.9 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.3448 HP/kg (wet)
- Bore x stroke
- 77.0 x 53.6 mm
- Compression
- 13.8:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Valves per cylinder
- 4
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multiplate wet clutch
Dimensions & weight
- Wheelbase
- 1481 mm
- Overall length
- 2169 mm
- Overall width
- 826 mm
- Overall height
- 1265 mm
- Seat height
- 955 mm
- Wet weight
- 110.2 kg
- Fuel capacity
- 8.00 litres
- Ground clearance
- 330 mm
- Oil capacity
- 1.50 litres
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Bilateral beam, aluminum
- Front suspension
- KYB® spring-type fork with speed sensitive damping; fully adjustable
- Rear suspension
- KYB® single shock; full adjustable
- Front wheel travel
- 300 mm
- Rear wheel travel
- 305 mm
- Rake (fork angle)
- 27.0°
- Trail
- 122 mm
Brakes & wheels
- Front brakes
- Single disc. Hydraulic.
- Front brakes diameter
- 250 mm
- Rear brakes
- Single disc. Hydraulic.
- Rear brakes diameter
- 245 mm
- Front tyre
- 80/90-21
- Rear tyre
- 110/100-18
Other
- Color options
- Team Yamaha Blue
- Comments
- Traction Control. Launch Control. Power Tuner App.
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2015 | 2018 | 2021 | 2024 | 2025 | 2027 |
|---|---|---|---|---|---|---|
| Capacity | 250 cc | 250 cc | 250 cc | 250 cc | 250 cc | 250 cc |
| Seat height | 965 mm | 965 mm | 955 mm | 965 mm | 955 mm | 955 mm |
| Fuel capacity | 7.6 L | 7.6 L | 8.3 L | 7.6 L | 8 L | 8 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Yamaha YZ250FX?
The 2025 Yamaha YZ250FX has a Capacity of 250.0 ccm (15.26 cubic inches).
What engine power does the Yamaha YZ250FX have?
The 2025 Yamaha YZ250FX has a Power of 38.0 HP (27.9 kW).
How many gears does the Yamaha YZ250FX have?
The 2025 Yamaha YZ250FX has a Gearbox of 6-speed.
How much does the Yamaha YZ250FX weigh?
The 2025 Yamaha YZ250FX has a Wet weight of 110.2 kg (242.9 pounds).
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