Yamaha WR450F Side Cover Gasket Kit - Vertex Pistons - Vertex Gaskets - `03-`06. This kit contains precision-cut side cover and clutch gaskets designed for 2003–2006 WR450F models to restore proper sealing and fit. It’s intended for riders and mechanics looking to replace worn cover seals with OE-spec materials.

Manufactured to match original equipment specifications, these Vertex gaskets are cut from factory-grade materials to ensure consistent thickness and shape. Where applicable, the kit uses a high-performance MicroPore interface material to improve sealing at critical contact points. The result is a reliable replacement set that helps prevent oil leaks and maintains correct clutch cover alignment without altering engine components.

Features

• Direct-fit for 2003–2006 Yamaha WR450F inner clutch and side cover application
• Precision-cut from factory-grade materials to match OE dimensions
• High-performance MicroPore interface material used where applicable
• Replaces worn or damaged gaskets to reduce oil seepage and ensure proper sealing

If you have questions about fitment or compatibility, call us directly — we’re happy to help. We offer installation and customization services at our two locations in Austin, Texas and the Los Angeles, California area. Call 512-982-9393 (TX) or 562-981-6800 (CA) to speak with a technician or schedule service.

If you are considering purchasing multiple items, please contact us for shipping discounts. We install on premises at both locations.

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