Motocross Bikes
2021Yamaha YZ250F
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The 2021 Yamaha YZ250F is a competitive 250cc four-stroke motocross bike engineered for intermediate to advanced riders seeking reliable performance in amateur and semi-professional racing. Its titanium-valved DOHC engine delivers strong mid-range power with excellent durability, while the liquid-cooled design ensures consistent thermal management during intense riding sessions. Known for its balanced handling and proven dependability, the YZ250F remains a top choice for riders progressing through motocross ranks.
- Capacity
- 250.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 92.5 kg
- Seat height
- 970 mm
- Power
- 43.0 HP (31.6 kW)
What’s new for the 2021 Yamaha YZ250F
vs the 2020| Spec | 2020 | 2021 |
|---|---|---|
| Torque | 25.1 Nm (2.6 kgf-m or 18.5 ft.lbs) @ 8500 RPM | 24.4 Nm (2.5 kgf-m or 18.0 ft.lbs) @ 9700 RPM |
Other years
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How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed purely for motocross and off-road track competition, prioritizing light weight, sharp handling, and high-rev four-stroke power delivery over any road-going comfort or practicality.
- Built for
- A raw, focused competition tool that rewards active, aggressive riding input with explosive acceleration out of corners and razor-sharp direction changes.
- Not ideal for
- Not for commuters, passengers, long-distance touring riders, or anyone seeking a comfortable, low-maintenance street-legal machine.
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)
- Torque
- 24.4 Nm (2.5 kgf-m) @ 9700 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.4649 HP/kg (dry)
- 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
- 1476 mm
- Overall length
- 2174 mm
- Overall width
- 826 mm
- Overall height
- 1285 mm
- Seat height
- 970 mm
- Dry weight
- 92.5 kg
- Wet weight
- 106.1 kg
- Fuel capacity
- 6.10 litres
- Ground clearance
- 335 mm
- Oil capacity
- 0.90 litres
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
- 318 mm
- Rake (fork angle)
- 26.0°
- Trail
- 119 mm
Brakes & wheels
- Front brakes
- Single disc. Hydraulic.
- Front brakes diameter
- 270 mm
- Rear brakes
- Single disc. Hydraulic.
- Rear brakes diameter
- 245 mm
- Front tyre
- 80/100-21
- Rear tyre
- 100/90-19
Other
- Color options
- Team Yamaha Blue
- Comments
- Power Tuner app. Torque is a rear-wheel dyno figure.
- Modifications compared to previous model
- New cylinder head with an improved intake port shape, new exhaust camshaft profile, a new silencer, and an updated ECU.
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 | 2002 | 2008 | 2015 | 2021 | 2027 |
|---|---|---|---|---|---|
| Capacity | 249 cc | 250 cc | 250 cc | 250 cc | 250 cc |
| Dry weight | 97 kg | 93 kg | 93 kg | 93 kg | 93 kg |
| Seat height | 998 mm | 986 mm | 965 mm | 970 mm | 970 mm |
| Fuel capacity | 6.8 L | 6.8 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?
The 2021 Yamaha YZ250F has a Capacity of 250.0 ccm (15.26 cubic inches).
What engine power does the Yamaha YZ250F have?
The 2021 Yamaha YZ250F has a Power of 43.0 HP (31.6 kW).
How many gears does the Yamaha YZ250F have?
The 2021 Yamaha YZ250F has a Gearbox of 5-speed.
What is the torque of the Yamaha YZ250F?
The 2021 Yamaha YZ250F has a Torque of 24.4 Nm (2.5 kgf-m or 18.0 ft.lbs) @ 9700 RPM.
How much does the Yamaha YZ250F weigh?
The 2021 Yamaha YZ250F has a Dry weight of 92.5 kg (203.9 pounds).
Shop this bike
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The 2021 Yamaha YZ250F is a powerful and reliable motocross bike that delivers top-notch performance on the track. With its 250cc liquid-cooled four-stroke engine, this bike provides impressive power and torque for aggressive riding. The YZ250F also features advanced suspension technology and a lightweight chassis, allowing for superior handling and control in any terrain. Additionally, the bike is equipped with cutting-edge electronic fuel injection for smooth and responsive throttle response, making it an ideal choice for intermediate to advanced riders looking to push their limits on the track.
Overall, the 2021 Yamaha YZ250F offers a winning combination of power, agility, and technology, making it a top contender in the competitive motocross market. With its solid build quality and impressive performance capabilities, this bike is sure to impress both enthusiasts and professional riders alike. Whether you're hitting the jumps or attacking corners, the YZ250F delivers a thrilling and exhilarating riding experience that will leave you craving for more time in the saddle.
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