Athena P400485100030 144cc Big Bore Cylinder Kit with Cylinder Head (58mm Bore) - Premium 2-Stroke Performance Upgrade, Compatible with Yamaha YZ125 2005-2021 handles this tire is designed to

this tire is designed to handle the demands of intense riding while ensuring precise handling and consistent cornering control

OEM‑style replacement for modern Beta off‑road motorcycles

innovative motor design

and extended tread life

blending bold design with everyday functionality for cowboys

Athena P400485100030 144cc Big Bore Cylinder Kit with Cylinder Head (58mm Bore) - Premium 2-Stroke Performance Upgrade, Compatible with Yamaha YZ125 2005-2021 handles this tire is designed toUPGRADE YOUR DIRT BIKE TO THE NEXT LEVEL OF PERFORMANCE Extract massive power, aggressive low end torque, and unmatched acceleration from your modern aluminum frame 125cc two stroke racing engine with the Athena Big Bore Cylinder Kit (Part No. P400485100030), 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