Skip to product information
1 of 3

Athena

Athena Cylinder Stock Bore Kit 54.00 mm - P400485100003 - 1997-2004 Yamaha YZ125

Regular price $799.99 USD
Regular price $931.95 USD Sale price $799.99 USD
Sale Sold out

Athena Cylinder Stock Bore Kit 54.00 mm - P400485100003 - 1997-2004 Yamaha YZ 125

Upgrade your 1997-2004 Yamaha YZ 125 with the Athena Cylinder Stock Bore Kit (54.00 mm - P400485100003). This high-performance kit provides everything you need for a seamless and powerful upgrade.

Cylinder Kit Features:

  • Aluminum Cylinder: Nickel carbide-coated for durability and designed with larger water jackets for improved cooling performance.
  • High-Performance Power Valves: Specially designed, hard anodized power valves for optimal performance (Note: OEM valves are not compatible).
  • Aluminum Cylinder Head: Equipped with a removable bronze dome for enhanced customization and durability.
  • Complete Piston Kit: Includes a Cast-Lite flat top piston kit for maximum reliability and performance.
  • Athena Top-End Gasket Set: Comes with all required seals and hardware to ensure a perfect fit and seal.
  • Easy Installation: Bolt-on, drop-in design with no matching required except where specified.

Athena Cylinder Kit Benefits:

    • Boost your Yamaha YZ 125's performance with this high-quality Athena cylinder kit.
    • Durable materials and advanced design for superior heat management and long-lasting use.
    • Complete kit for a hassle-free upgrade with no additional parts needed (unless otherwise specified).

Moto-House MX - Choice of Champions - Best Local Motocross Shop in Central Florida 

  • Moto-house MX Offers Free shipping over $65 dollars

    Free Shipping

    Orders over $65 Ship Free in the continental 48 States