Yamaha YZ125 Side Cover Gasket Kit — Vertex Pistons (’05–’23). A direct-fit inner clutch/side cover gasket made from high-performance MicroPore material to match factory interface requirements and maintain proper sealing for your YZ125.

This gasket kit is precision-cut from factory-grade materials to match OE specifications, providing a reliable fit and consistent seal for models from 2005 through 2023. It is intended for riders and builders who require accurate replacement parts that maintain the original cover clearance and sealing surfaces. The MicroPore material where applicable offers controlled compressibility and resistance to oil exposure without altering cover alignment.

Features

• Direct OE-spec fit for Yamaha YZ125 (2005–2023)
• Manufactured from high-performance MicroPore material
• Precision-cut to factory thickness and dimensions
• Designed for the inner clutch/side cover interface

This kit is a practical replacement part for maintenance or when customizing engine covers; it helps restore proper sealing and reduces the risk of leaks when installed to factory torque specs. If you have questions about fitment, installation, or compatibility with other upgrades, call us directly. 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).

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

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