The Yamaha YZ X 125 Standard Bore Cylinder Kit - Athena - '23-'24 is a precise, OEM-spec replacement designed to keep your two-stroke running strong. Expect reliable fit and factory-level performance for your next service or refresh.

Athena crafts a lightweight aluminum cylinder with a nickel-silicon coating to improve wear resistance and heat control. The matched piston is engineered to reduce friction for consistent power and dependable longevity. This standard-bore kit includes the cylinder, complete piston set with pin and rings, and the gaskets required for a clean installation on 2023–2024 YZ X 125 models, all manufactured to align with Yamaha specifications.

Features

• Nickel-silicon coated aluminum cylinder
• Precision piston designed to minimize friction
• Includes piston pin, rings, and gaskets
• Built to Yamaha OE specifications

Have questions or planning a build? Call us for product guidance or to schedule service. We offer installation and customization at our Austin, Texas and Los Angeles, California area locations. Texas: 512-982-9393. California: 562-981-6800.

Purchasing multiple items? Contact us for potential shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov