66E-1131C-10-00 Power Valve Cover Joint for Yamaha XLT 800 2002-2004

Power Valve Cover Joint for Yamaha

This power valve cover joint is a replacement gasket component that seals the power valve cover on Yamaha marine engines, and it carries the OEM cross-reference 66E-1131C-10-00.

Overview

This power valve cover joint is a direct-fit sealing component for the power valve housing on Yamaha marine engines. It helps maintain a clean seal at the cover, supporting consistent power valve operation and reducing the chance of exhaust or oil leakage. It is intended for riders and marine mechanics performing routine engine maintenance on Yamaha personal watercraft.

Built For Performance

• OEM cross-reference 66E-1131C-10-00 for straightforward parts matching
• Designed to seal the power valve cover joint on Yamaha marine engines
• Helps prevent leakage at the power valve cover mating surface
• Supports consistent power valve function across the RPM range
• Simple replacement item for routine top-end maintenance

Fits These Machines

• for Yamaha XLT 800, 2002-2004
• for Yamaha XLT 1200, 2002-2005

On-The-Job Use

• Power valve cover resealing during top-end service
• Routine gasket replacement on Yamaha marine engines
• Engine rebuilds and cylinder service work
• Maintenance to address cover area leaks

Specs At A Glance

Good To Know

Q: Is this an original Yamaha part? A: This item is a replacement power valve cover joint with the OEM cross-reference 66E-1131C-10-00, and it is not presented as an original brand product.

Q: Should I replace the gasket whenever the cover is removed? A: It is good practice to install a fresh joint any time the power valve cover is taken off, since reused gaskets may not seal properly.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.