Key Specifications Engine Type Liquid-cooled, 2-stroke, Single cylinder, reed-valve inducted Engine Capacity 125 cc / 7.62 cubic inches Max Power n/a Max Torque n/a Top Speed n/a Fuel Tank Capacity 7 L / 1.84 US gallons Weight (Wet/Kerb) 96 kg / 212 lbs Seat Height 970.2 mm / 38.2 inches
*n/a – information not provided by manufacturer
All Specifications Make & Model Model Yamaha YZ125X Year 2025
Engine Engine Type Liquid-cooled, 2-stroke, Single cylinder, reed-valve inducted Displacement 125 cc / 7.62 cubic inches Bore x Stroke 54 x 54.5 mm Compression Ratio 7.8~10.2:1 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 6-speed Final Drive Chain
Electrical & Electronics System Chassis & Suspension Frame Type Semi double cradle 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 26.4 ° Trail 112 mm / 4.4 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 2154 mm / 84.8 inches Overall Width 825 mm / 32.5 inches Overall Height 1295 mm / 51 inches Seat Height 970.2 mm / 38.2 inches Wheelbase 1455.4 mm / 57.3 inches Ground Clearance 355.6 mm / 14 inches Fuel Tank Capacity 7 L / 1.84 US gallons Wet (kerb/curb) Weight 96 kg / 212 lbs
Features Two-Stroke Power: Tuned for Enduro Racing Lightweight Aluminum Frame High Performance Braking System Industry-Leading Suspension Bold YZ Styling GNCC-Specific Features Powerful 125cc Two-Stroke Engine Tuned for GNCC Competition Efficient Air Intake Design Precise Fueling Close-Ratio Six-Speed Transmission Narrow Exhaust Pipe New High-Capacity Radiator Lightweight Frame Industry-Leading KYB Fork Advanced KYB Shock Premium Excel Wheels & Dunlop Tires Cross Country Ergonomics Cross Country Features Yamaha YZ125X (2025) Color Options *We strive to provide the most comprehensive and accurate specifications possible. However, certain details may not be available if the manufacturer did not disclose them or if the information is no longer publicly accessible. If you find any discrepancy with any data on this site, please feel free to let us know at contact@throttlecraze.com
