Motocross Bikes
2025Yamaha YZ250F Monster Energy
41 fields on record
The 2025 Yamaha YZ250F Monster Energy is a competitive four-stroke motocross bike designed for intermediate to advanced amateur riders seeking race-ready performance. Powered by a liquid-cooled 250cc single-cylinder engine with DOHC technology and fuel injection, it delivers reliable power and agile handling across varied terrain. Known for its balanced combination of speed, maneuverability, and dependable construction, this machine excels in both amateur racing and recreational off-road riding.
- Capacity
- 250.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 107.0 kg
- Seat height
- 970 mm
- Power
- 43.0 HP (31.6 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Purpose-built for motocross racing and closed-course off-road competition, not general road use.
- Built for
- A razor-sharp, lightweight competition weapon that rewards aggressive input with explosive agility and top-tier suspension performance.
- Not ideal for
- Not suitable for commuting, touring, passengers, or riders seeking comfort and low-speed practicality.
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
- 43.0 HP (31.6 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.4019 HP/kg (wet)
- Bore x stroke
- 77.0 x 53.6 mm
- Compression
- 13.8:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- TCI
- Valves per cylinder
- 4
- Lubrication system
- Wet sump
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multiplate wet clutch
Dimensions & weight
- Wheelbase
- 1481 mm
- Overall length
- 2184 mm
- Overall width
- 826 mm
- Overall height
- 1275 mm
- Seat height
- 970 mm
- Wet weight
- 107.0 kg
- Fuel capacity
- 6.10 litres
- Ground clearance
- 351 mm
- Oil capacity
- 0.90 litres
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Bilateral beam aluminum frame
- Front suspension
- KYB Speed-Sensitive System, inverted fork: fully adjustable
- Rear suspension
- KYB fully adjustable single shock
- Front wheel travel
- 310 mm
- Rear wheel travel
- 312 mm
- Rake (fork angle)
- 27.0°
- Trail
- 119 mm
Brakes & wheels
- Front brakes
- Single disc. Hydraulic.
- Front brakes diameter
- 270 mm
- Rear brakes
- Single disc. Hydraulic.
- Rear brakes diameter
- 220 mm
- Front tyre
- 80/100-21
- Rear tyre
- 110/90-19
Other
- Color options
- Yamaha Blue/green/white
- Comments
- Adjustable Engine Maps. Yamaha Power Tuner App.
Specs last verified against published sources: .
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 | 2021 | 2023 | 2024 | 2025 | 2026 | 2027 |
|---|---|---|---|---|---|---|
| Capacity | 250 cc | 250 cc | 250 cc | 250 cc | 250 cc | 250 cc |
| Dry weight | — | — | — | — | — | 93 kg |
| Seat height | 970 mm | 970 mm | 970 mm | 970 mm | 970 mm | 970 mm |
| Fuel capacity | 6.1 L | 6.1 L | 6.1 L | 6.1 L | 6.1 L | 6.1 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 YZ250F Monster Energy?
The 2025 Yamaha YZ250F Monster Energy has a Capacity of 250.0 ccm (15.26 cubic inches).
What engine power does the Yamaha YZ250F Monster Energy have?
The 2025 Yamaha YZ250F Monster Energy has a Power of 43.0 HP (31.6 kW).
How many gears does the Yamaha YZ250F Monster Energy have?
The 2025 Yamaha YZ250F Monster Energy has a Gearbox of 5-speed.
How much does the Yamaha YZ250F Monster Energy weigh?
The 2025 Yamaha YZ250F Monster Energy has a Wet weight of 107.0 kg (235.9 pounds).
Shop this bike
Affiliate linksWe may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.
Please log in or register if you'd like to leave a comment.
Own one? Add it to My Garage and write an owner review with an Owner badge.