YAMAHA GASKET 6G8-45113-A1

Function and technical context

This gasket is part of the sealing systems of the Yamaha outboard engine, sealing critical connections between components of the engine block, crankcase or auxiliary systems. Its function is to prevent fluid leaks (cooling water, lubricating oil) and prevent the entry of salt water into internal areas of the propeller. Correct sealing is essential to maintain the structural integrity of the engine and guarantee its operation in a marine environment, where corrosion and oxidation accelerate the wear of contact surfaces.

When to replace this part?

Las juntas se degradan por exposición prolongada a cambios de temperatura, ciclos de compresión y contacto con fluidos corrosivos, especialmente en motores de agua salada. If you notice water or oil leaks in the areas where this gasket is mounted, the presence of rust around the connections, or moisture inside the crankcase after sailing, it is a sign that the sealing has lost effectiveness. It is advisable to inspect the condition of the joints during each seasonal maintenance and replace them preventively if they present hardness, cracks or deformations; Changing them before they fail avoids more costly repairs resulting from water ingress or loss of lubrication.

Compatibility with Yamaha engines

Equivalent manufacturer part numbers