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Specifications forYamaha YZ250X
Specifications	Yamaha YZ250X Yamaha · 2027
Engine
DisplacementGreater displacement does not necessarily mean better performance.	249cc 249cc liquid-cooled 2-stroke; reed-valve inducted
Engine configuration	249cc liquid-cooled 2-stroke; reed-valve inducted
Bore × stroke	66.4mm × 72.0mm
Compression ratio	7.9~9.4:1
Fuel system	Hitachi Astemo® Keihin PWK38S
Cooling system	Liquid-cooled 249cc liquid-cooled 2-stroke; reed-valve inducted
Dimensions and weight
Ready-to-ride weightLower weight with fuel and fluids, assessed separately from dry weight.	103.87kg 229 lb
Seat heightA lower seat. The right height depends on your stature.	975.36mm 38.4 in
Declared dimensions	86.0 in x 32.5 in x 50.8 in
Wheelbase	1485.9mm 58.5 in
Ground clearance	360.68mm 14.2 in
Consumption and drivetrain
Fuel tank capacityA larger tank. Range also depends on fuel consumption.	6.81L 1.8 gal
Chassis, brakes and suspension
Anti-lock braking (ABS)ABS status for this variant. “—” means data is unavailable.	Unknown Hydraulic disc, 270mm · Hydraulic disc, 240mm
Front suspension	KYB® Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel
Rear suspension	KYB® single shock; fully adjustable, 12.4-in travel
Front brake	Hydraulic disc, 270mm
Rear brake	Hydraulic disc, 240mm
Front tyre	80/100-21 Dunlop® Geomax MX33F
Rear tyre	110/100-18 Dunlop® Geomax MX33
Steering angle	27.7°
Trail	121.92mm 4.8 in
Fuel and transmission
Transmission	Constant-mesh 5-speed; multiplate wet clutch
Final drive	Chain
Data source	Specification source

Specifications forYamaha YZ250X
Yamaha YZ250X
Engine
DisplacementGreater displacement does not necessarily mean better performance.
249cc 249cc liquid-cooled 2-stroke; reed-valve inducted
Engine configuration
249cc liquid-cooled 2-stroke; reed-valve inducted
Bore × stroke
66.4mm × 72.0mm
Compression ratio
7.9~9.4:1
Fuel system
Hitachi Astemo® Keihin PWK38S
Cooling system
Liquid-cooled 249cc liquid-cooled 2-stroke; reed-valve inducted
Dimensions and weight
Ready-to-ride weightLower weight with fuel and fluids, assessed separately from dry weight.
103.87kg 229 lb
Seat heightA lower seat. The right height depends on your stature.
975.36mm 38.4 in
Declared dimensions
86.0 in x 32.5 in x 50.8 in
Wheelbase
1485.9mm 58.5 in
Ground clearance
360.68mm 14.2 in
Consumption and drivetrain
Fuel tank capacityA larger tank. Range also depends on fuel consumption.
6.81L 1.8 gal
Chassis, brakes and suspension
Anti-lock braking (ABS)ABS status for this variant. “—” means data is unavailable.
Unknown Hydraulic disc, 270mm · Hydraulic disc, 240mm
Front suspension
KYB® Speed-Sensitive System inverted fork; fully adjustable, 11.8-in travel
Rear suspension
KYB® single shock; fully adjustable, 12.4-in travel
Front brake
Hydraulic disc, 270mm
Rear brake
Hydraulic disc, 240mm
Front tyre
80/100-21 Dunlop® Geomax MX33F
Rear tyre
110/100-18 Dunlop® Geomax MX33
Steering angle
27.7°
Trail
121.92mm 4.8 in
Fuel and transmission
Transmission
Constant-mesh 5-speed; multiplate wet clutch
Final drive
Chain
Data source
Specification source

Green marks an advantage in that specification. “—” means data is unavailable.

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Yamaha YZ250X

Yamaha YZ250X