Yamaha YZ250X (2026) Key Specifications Engine Type Liquid-cooled, 2-stroke, Single cylinder, reed-valve inducted Engine Capacity 249 cc / 15.2 cubic inches Max Power n/a Max Torque n/a Top Speed n/a Fuel Tank Capacity 6.8 L / 1.8 US gallons Weight (Wet/Kerb) 104 kg / 229 lbs Seat Height 975.36 mm / 38.4 inches
*n/a – information not provided by manufacturer
All Specifications Make & Model Model Yamaha YZ250X Year 2026
Engine Engine Type Liquid-cooled, 2-stroke, Single cylinder, reed-valve inducted Displacement 249 cc / 15.2 cubic inches Bore x Stroke 66.4 x 72 mm Compression Ratio 7.9~9.4:1 Number of Cylinders 1 Max Horsepower n/a Max Torque n/a Engine Management System Hitachi Astemo® Keihin PWK38S carburetor Lubrication System Premix Cooling System Liquid-cooled Ignition System CDI, Kick
Performance *n/a – information not provided by manufacturer
Transmission Clutch Wet multiplate clutch, hydraulic Gearbox Constant-mesh 5-speed Final Drive Chain
Electrical & Electronics System Chassis & Suspension Frame Type Aluminum frame Front Suspension KYB® Speed-Sensitive System inverted fork; fully adjustable Front Suspension Travel 300 mm / 11.8 inches Rear Suspension KYB® single shock; fully adjustable Rear Suspension Travel 315 mm / 12.4 inches Rake 27.7 ° Trail 122 mm / 4.8 inches Rear Subframe Removable Aluminum subframe
Wheels & Brakes Wheels Wire aluminum wheels Front Tire Size 80/100-21 Dunlop® Geomax MX33F Rear Tire Size 110/100-18 Dunlop® Geomax MX33 Front Brakes Hydraulic disc, 270mm Rear Brakes Hydraulic disc, 240mm
Dimension & Weights Overall Length 2185 mm / 86 inches Overall Width 825 mm / 32.5 inches Overall Height 1290 mm / 50.8 inches Seat Height 975 mm / 38.4 inches Wheelbase 1485 mm / 58.5 inches Ground Clearance 360 mm / 14.2 inches Fuel Tank Capacity 6.8 L / 1.8 US gallons Wet (kerb/curb) Weight 104 kg / 229 lbs
Features A 249cc reed-valve-inducted two-stroke engine is lightweight, compact and fun with a wide, hard-hitting powerband. The YZ250X is tuned for enduro with a revised compression ratio, revised YPVS timing and model-specific digital CDI unit. High-precision Hitachi Astemo® Keihin PWK38S carburetor provides clean, crisp throttle response and superior rideability. Intake design allows for a straighter, more efficient draw of air into the intake tract. A compact exhaust expansion chamber improves clearance in tight terrain while providing excellent exhaust efficiency. Smooth-shifting wide-ratio transmission ensures proper gearing from tight woods to wide-open fire roads. Durable clutch design includes six inner pressure plates with advanced friction material for exceptional heat resistance. Large-capacity radiator provides maximum cooling efficiency for demanding racing conditions. Best-in-class Speed Sensitive 48mm KYB® fork is tuned for cross country, offering precise damping and 11.8 inches of travel. Ultra-lightweight YZ250-spec aluminum frame is precisely engineered for the perfect balance of rigidity and flex. Removable aluminum rear subframe is constructed of square-section tubing for reduced weight. Fully adjustable KYB® shock provides exceptional rear wheel control, class-leading capability and 12.4 inches of travel. High performance braking system features 270mm front rotor, 240mm rear rotor, large front pistons and rigid calipers. Tapered aluminum handlebar include adjustable mounts for more comfortable ergonomics. Slick blue Excel® rims provide exceptional durability and a premium look. High performance Dunlop® Geomax MX33 tires offer outstanding cornering traction, stability and feel. A flat seat, narrow fuel tank and well-integrated body panels combine to create greater freedom of movement. Enduro features include an 18-inch rear wheel, wide-ratio gearing, side stand, sealed O-ring chain and reserve fuel petcock. Premium embedded Yamaha graphics highlight the YZ family pedigree and provide excellent durability. Two-Stroke Power: Tuned for Enduro Racing Advanced Motocross-Derived Chassis High Performance Brake System Exceptional Ergonomics Bold YZ Styling GNCC-Specific Features Exhilarating Two-Stroke Power Tuned for GNCC Competition Efficient Air Intake Design Advanced Carburetor Narrow Exhaust Pipe Wide-Ratio Five-Speed Transmission Durable Clutch Design New High-Capacity Radiator YZ250-Based Frame Industry-Leading KYB Fork Advanced KYB Shock Premium Excel Wheels & Dunlop Tires Cross Country Ergonomics Yamaha YZ250X (2026) Color Options Know someone who’d find this useful? Share this page with a friend, your riding club or your favourite motorcycle community.
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