Notes:

Athena supplies the widest range of spare gaskets available on the market. Athena gaskets are the result of over forty years of experience in the sector, solid know-how and advanced technical skills in design and production. Athena praises a constant technological development carried out by an in-house team of engineers and designers and a production Made in Italy performed following the strict parameters required by OEMs.

This kit is exclusively for use with the Athena racing kit and is not compatible with standard bikes; it requires the complete Athena race kit for proper installation.This kit is designed to fit YZ125 models from 1997 to 2004, but please note that the exhaust specifications for the 1997 and 1998 models differ. If you're installing this kit on a 1997 or 1998 YZ125, you'll need to use 1999 to 2003 pipe. Ensure you confirm the correct year of your bike before proceeding.

Standard Bore Cylinder Only

• BRAND: Athena
• MPN: S410485301003
• SIZE: 54.00mm Bore, 14.8:1 Compression