Athena P400485100101 144cc Big Bore Cylinder Kit with Cylinder Head (58mm Bore) - Premium 2-Stroke Performance Upgrade, Compatible with Yamaha YZ125 2022-2026 Mixer featuring the 80/100-21 MX25S front

featuring the 80/100-21 MX25S front and 120/80-19 IMX25 rear dirt bike tube-type tires

the trusted name in winching since 1948

and an integrated center slot is perfect for long drill bits or blades

000 RPM) (0-7

Athena P400485100101 144cc Big Bore Cylinder Kit with Cylinder Head (58mm Bore) - Premium 2-Stroke Performance Upgrade, Compatible with Yamaha YZ125 2022-2026 Mixer featuring the 80/100-21 MX25S frontUPGRADE YOUR DIRT BIKE TO THE NEXT LEVEL OF PERFORMANCE Extract massive power, aggressive low end torque, and unmatched acceleration from your modern generation 125cc two stroke racing engine with the Athena Big Bore Cylinder Kit (Part No. P400485100101), a premium race proven package engineered in Italy to seamlessly convert your factory setup into a high revving, high output 144cc powerhouse. Entirely cast from high grade aluminum and treated with a