Athena P400485100017 Standard Bore Cylinder Kit (54mm, 125cc) - Premium 2-Stroke Top End Rebuild Kit with Forged Piston & Gaskets, Compatible with Yamaha YZ125 2005-2021 Tumbler reliable fit that stands up

reliable fit that stands up to the rigors of motocross and trail riding

the POWERSTATE Brushless Motor and REDLITHIUM HIGH DEMAND 9

The diamond venting provides cool cutting and improved chip ejection

or social saves - unisex and built to last

Athena P400485100017 Standard Bore Cylinder Kit (54mm, 125cc) - Premium 2-Stroke Top End Rebuild Kit with Forged Piston & Gaskets, Compatible with Yamaha YZ125 2005-2021 Tumbler reliable fit that stands upRESTORE YOUR DIRT BIKE TO PEAK OEM PERFORMANCE Bring back the crisp throttle response, razor sharp power delivery, and high revving factory reliability of your 125cc two stroke engine with the Athena Standard Bore Cylinder Kit (Part No. P400485100017), a premium OEM style replacement package engineered and manufactured in Italy. Entirely cast from high grade aluminum and treated with a specialized Motor Nicksil (Nickel Silicon) coating, this cylinder