YAMAHA GASKET 6L2-41133-A3

Function and technical context

This gasket is part of the Yamaha engine sealing system, ensuring tightness at critical points where components of the engine block, cylinder head or auxiliary systems are joined. Its function is to prevent coolant, oil or seawater leaks that could compromise the structural integrity of the propeller. The failure or deterioration of this gasket causes fluid losses, entry of water into areas where it should not be present, accelerated corrosion of internal components and, in serious cases, overheating of the engine due to loss of coolant.

When to replace this part?

Gaskets require replacement when there are visible fluid leaks around engine joints, changes in coolant color or consistency, or abnormal fluid loss between overhauls. Although the interval varies depending on the conditions of use, it is advisable to inspect it annually before each navigation season and replace it preventively if it shows signs of drying out, discoloration or deformation. Changing the gasket on a scheduled basis prevents emergency shutdowns in the water and costly repairs resulting from corrosion due to water ingress.

Equivalent manufacturer part numbers