Motocross Bikes
2021Yamaha YZ250
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The 2021 Yamaha YZ250 is a lightweight two-stroke motocross machine designed for intermediate to advanced riders seeking sharp handling and responsive power delivery. Known for its punchy 249cc reed-valve engine and nimble aluminum frame, this bike excels in technical terrain and competitive racing environments where agility and acceleration are paramount.
- Capacity
- 249.0 ccm
- Engine
- Single, two-stroke
- Gearbox
- 5-speed
- Dry weight
- 96.2 kg
- Seat height
- 970 mm
- Power
- 46.0 HP (34.3 kW)
Other years
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2027
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for motocross track riding and competitive off-road racing, not for general transportation.
- Built for
- A raw, punchy two-stroke motocrosser that rewards aggressive riding, precise clutch and throttle control, and delivers explosive mid-to-top-end power with razor-sharp agility.
- Not ideal for
- Not suitable for commuting, highway travel, passengers, or riders wanting plush comfort and low-maintenance simplicity.
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
- 249.0 ccm
- Power
- 46.0 HP (34.3 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.4782 HP/kg (dry)
- Bore x stroke
- 66.4 x 72.0 mm
- Compression
- 10.6:1
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Electric
- Ignition
- CDI
- Lubrication system
- Premix
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multiplate, wet
Dimensions & weight
- Wheelbase
- 1481 mm
- Overall length
- 2177 mm
- Overall width
- 827 mm
- Overall height
- 1306 mm
- Seat height
- 970 mm
- Dry weight
- 96.2 kg
- Wet weight
- 103.0 kg
- Fuel capacity
- 8.00 litres
- Ground clearance
- 361 mm
- Oil capacity
- 0.80 litres
Chassis & suspension
- Frame
- Semi-double cradle, aluminium
- Front suspension
- KYB® Speed-Sensitive System inverted fork; fully adjustable
- Rear suspension
- KYB® single shock; fully adjustable
- Front wheel travel
- 300 mm
- Rear wheel travel
- 315 mm
- Rake (fork angle)
- 27.7°
- Trail
- 122 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 270 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 245 mm
- Front tyre
- 80/100-21
- Rear tyre
- 110/90-19
Other
- Color options
- Team Yamaha Blue
- Comments
- Power is a Motocross Action dyno figure; Yamaha does not publish one for the YZ250.
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 | 249 cc | 249 cc | 249 cc | 249 cc |
| Dry weight | 98 kg | 96 kg | 96 kg | 96 kg | 96 kg |
| Seat height | 990 mm | 993 mm | 993 mm | 970 mm | 975 mm |
| Fuel capacity | 7.9 L | 7.9 L | 8 L | 8 L | 6.8 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 YZ250?
The 2021 Yamaha YZ250 has a Capacity of 249.0 ccm (15.19 cubic inches).
What engine power does the Yamaha YZ250 have?
The 2021 Yamaha YZ250 has a Power of 46.0 HP (34.3 kW).
How many gears does the Yamaha YZ250 have?
The 2021 Yamaha YZ250 has a Gearbox of 5-speed.
How much does the Yamaha YZ250 weigh?
The 2021 Yamaha YZ250 has a Dry weight of 96.2 kg (212.1 pounds).
Shop this bike
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The 2021 Yamaha YZ250 is a powerhouse off-road motorcycle that delivers top-notch performance and agility. Its 250cc liquid-cooled two-stroke engine provides impressive power, while the lightweight chassis and suspension ensure nimble handling on rough terrain. With its aggressive styling and race-ready features, the YZ250 is a formidable choice for motocross and off-road enthusiasts.
Yamaha has once again raised the bar with the 2021 YZ250, offering riders a winning combination of power, control, and durability. The bike's advanced technology, such as the Power Tuner app for customized engine maps, allows riders to tailor the bike's performance to their specific preferences. Whether you're hitting the track or exploring rugged trails, the Yamaha YZ250 is a force to be reckoned with.
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