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18XD 18 2-Stroke 1980–1985 99157T2 Similar to Mercury applications Mariner 20
Includes both the thrust rod and spring for a complete replacement
and HEPENG 18-5227-1
but you must measure your boat's drain hole diameter to ensure compatibility before ordering
Manifold/Carburetor Gasket – Fits Yamaha 4HP & 6HP F4/F6 4-Stroke Outboards (Replaces 6BX-E3646-00, 6EE-E3646-00) 320HP 18XD 18 2-Stroke 1980–1985 99157T2Product Details This Manifold Carburetor Gasket creates a reliable seal between the carburetor and intake manifold on Yamaha 4HP F4 and 6HP F6 4 stroke outboards made in 2006 and newer. A proper seal is critical for preventing vacuum leaks, ensuring smooth idling and restoring optimal engine performance. It serves as a direct replacement for Yamaha part numbers 6BX E3646 00 and 6EE E3646 00, and is listed as an interchange for Sierra 18 0672
