2024 Yamaha YZ250FX Bike


Yamaha YZ250FX Bike
Model Year
Engine Size
Engine Type
Engine Displacement
Bore x Stroke
77.0 mm x 53.6 mm
Compression Ratio
Fuel System
Mikuni fuel injection, 44mm throttle body
Centrally-mounted electric starter, high-capacity lightweight four-cell lithium-ion battery
Wide-ratio 6-speed; multiplate wet quick-adjust heavy-duty large-diameter clutch
Final Drive
Chain, sealed O-ring
Suspension Front
KYB spring-type fork, speed sensitive damping, fully adjustable, 309.9 mm (12.2") travel
Suspension Rear
KYB single shock; fully adjustable, 317.5 mm (12.5") travel
Brakes Front
Hydraulic disc, rigid caliper, 270 mm rotor
Brakes Rear
Hydraulic disc, 240 mm rotor
Tires Front
Dunlop Geomax MX33F, 80/100-21"
Tires Rear
Dunlop Geomax MX33, 110/100-18"
Overall Length
2174 mm (85.6")
Overall Width
826 mm (32.5")
Overall Height
1280 mm (50.4")
Seat Height
955 mm (37.6")
1481 mm (58.3")
Ground Clearance
320 mm (12.6")
27.2° / 4.6"
Fuel Capacity
8.3 liters (2.2 gallons)
Curb Weight
111.13 kg (245 lbs) with full fuel tank
• Adjustable Engine Maps: two-mode adjustable engine mapping allows the rider to adjust engine character with the push of a button, making it easy to make immediate adjustments to changing track or weather conditions
— Map 1: for fast, aggressive high-traction conditions
— Map 2: a smoother engine character for extreme, low-traction conditions
• Tool-free access to the air filter
• WR-style fuel level sensor in the tank enables low fuel indicator along with an engine warning indicator on the handlebar
• Side stand
• Pre-wired for an optional radiator fan
• Reversed cylinder head places the intake forward and the exhaust to the rear to allow for a straight shot, downdraft intake and straight exhaust port for maximized engine performance
• Revised intake duct, intake port, exhaust camshaft profile, muffler and balancer weight position combine to further improve power and usability across the entire rev range
• Power Tuner App puts the flexibility and precision tunability of the GYTR Power Tuner into your smartphone: adjust air/fuel mixture and ignition timing maps instantly and upload them to the bike for ultimate track-side tuning; record race log information and monitor a range of data such as maintenance and system diagnosis, engine run time and more; wireless connectivity to the bike’s onboard CAN-bus network
• Cooling: liquid
• Engine: DOHC, 4 titanium valves, front intake/rear exhaust
• Frame: aluminum bilateral beam, forged swingarm pivot section, plastic skid plate
• Handlebar: aluminum, with four-position rubber-mounted handlebar clamps
• 30 day limited factory warranty
More Info
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