ATHENA Standard Racing Cylinder Kit for YAMAHA, FANTIC (XE • XX • YZ • YZ-X) 2022-2026

The ATHENA Factory Standard Racing Cylinder Kit was developed for high-performance applications in the Yamaha YZ 125 and compatible models. This 54 mm racing kit optimizes engine performance and thermal management, featuring a lightweight piston and a modular cylinder head for improved throttle response and enhanced durability under racing conditions.

Features:

High-performance aluminum cylinder with precision-machined intake and exhaust ports for optimal combustion efficiency.

Racing cylinder head with a modular bronze insert for superior heat dissipation and thermodynamic performance

Lightweight single-ring piston with Oil-Dot technology for reduced friction and improved lubrication

Designed for higher performance, better throttle response, and greater mechanical reliability

Seamless compatibility with OEM engine components

Package contents: Cylinder, cylinder head with insert, piston, and associated installation hardware;