Yamaha Raptor Top End Gasket Kit - Vertex Pistons - `01-`05 is a complete top-end gasket set designed for the 2001–2005 Yamaha YFM660R Raptor. This Vertex Pistons kit gathers the gaskets, o-rings and seals needed to rebuild the top end of your machine.

Built for enthusiasts performing a top-end service or refresh, this kit contains components to address every sealing surface in the cylinder head and top of the engine. Multi-cylinder machines include enough components to rebuild all cylinders. The kit is intended to provide the correct parts for a thorough rebuild; note that it does not include the formed rubber valve cover gasket, so plan accordingly if your service requires that specific part.

Features

• Complete top-end gasket set for Yamaha YFM660R Raptor (2001–2005)
• Includes every gasket, o-ring and seal required to rebuild the top end
• Supplies for multi-cylinder machines include parts for all cylinders
• Does not include formed rubber valve cover gasket — sold separately

This kit is ideal for owners looking to maintain performance and reliability while they rebuild or upgrade the top end. It keeps your rebuild organized by providing the necessary sealing components in one package, reducing downtime and multiple part orders.

If you have questions or want help confirming fitment, call us directly — we’re happy to assist: 512-982-9393 (TX) or 562-981-6800 (CA). We have two locations offering installation and customization services in Austin, Texas and the Los Angeles, California area. If you’re considering purchasing multiple items, contact us for shipping discounts. We install on premises at both locations.

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