Engineered Marine Products 27-00646 Cylinder Head Gasket Port Side

The Engineered Marine Products 27-00646 is a Port Side Cylinder Head Gasket engineered as a precision replacement for Yamaha 4-stroke outboard engines, including the F200AET, F200TXR, LF200AET, LF200TXR, LF200TUR, F225AET, F225TXR, F225TUR, and LF225AET/TXR models.

This gasket is designed to create a reliable, leak-free seal between the cylinder head and engine block on the port side of the powerhead. A proper cylinder head gasket seal is critical for maintaining correct compression, preventing coolant and oil intrusion into the combustion chamber, and ensuring long-term engine integrity in demanding marine environments.

Key Features:

• Direct OEM-equivalent replacement — part number 27-00646
• Engineered specifically for the port side cylinder head on Yamaha F200 and F225 4-stroke outboards
• Precision fit for consistent sealing performance under high heat and pressure
• Manufactured by Engineered Marine Products, a specialist in marine seals and gaskets
• Compatible with Yamaha V6 4-stroke offshore outboard motors

Whether performing a top-end rebuild or addressing a head gasket failure, the EMP 27-00646 delivers the dimensional accuracy and material quality needed for reliable marine engine performance.