Motocross Bikes
2015Yamaha YZ250FX
38 fields on record
The 2015 Yamaha YZ250FX is a closed-course competition 250cc two-stroke designed for intermediate to advanced off-road racers seeking aggressive performance. Known for its lightweight chassis, responsive handling, and potent power delivery, it excels in motocross and off-road racing environments where precision and speed are paramount.
- Capacity
- 250.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 6-speed
- Wet weight
- 112.9 kg
- Seat height
- 965 mm
- Power
- 38.0 HP (27.9 kW)
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
- 0.3366 HP/kg (wet)
- Bore x stroke
- 77.0 x 53.6 mm
- Compression
- 13.5:1
- 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
- 1466 mm
- Overall length
- 2164 mm
- Overall width
- 826 mm
- Overall height
- 1280 mm
- Seat height
- 965 mm
- Wet weight
- 112.9 kg
- Fuel capacity
- 7.60 litres
- Ground clearance
- 325 mm
- Oil capacity
- 1.50 litres
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Bilateral beam frame
- Front suspension
- KYB Speed-Sensitive System
- Rear suspension
- KYB Fully adjustable single shock
- Front wheel travel
- 310 mm
- Rear wheel travel
- 318 mm
- Rake (fork angle)
- 25.0°
- Trail
- 76 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
- 90/90-21
- Rear tyre
- 110/100-18
Other
- Color options
- Team Yamaha Blue/White
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 | 2027 |
|---|---|---|---|---|---|
| Capacity | 250 cc | 250 cc | 250 cc | 250 cc | 250 cc |
| Seat height | 965 mm | 965 mm | 955 mm | 965 mm | 955 mm |
| Fuel capacity | 7.6 L | 7.6 L | 8.3 L | 7.6 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 2015 Yamaha YZ250FX has a Capacity of 250.0 ccm (15.26 cubic inches).
What engine power does the Yamaha YZ250FX have?
The 2015 Yamaha YZ250FX has a Power of 38.0 HP (27.9 kW).
How many gears does the Yamaha YZ250FX have?
The 2015 Yamaha YZ250FX has a Gearbox of 6-speed.
How much does the Yamaha YZ250FX weigh?
The 2015 Yamaha YZ250FX has a Wet weight of 112.9 kg (248.9 pounds).
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