YAMAHA INTAKE GASKET 61A-13646-00

Function and technical context

The intake gasket is a critical component of the power system in Yamaha outboard engines, responsible for hermetically sealing the connection between the intake manifold and the engine block. This part ensures that the air and fuel mixture reaches the combustion chambers without losses, maintaining engine pressure and performance. If the gasket deteriorates or loses its sealing capacity, air leaks may occur that negatively affect the mixture ratio, causing loss of power, excessive fuel consumption and instability in engine operation.

When to replace this part?

Intake gaskets require replacement when symptoms such as fluctuations in idle speed, difficulty starting when cold, whistling or blowing from the intake manifold, or a noticeable reduction in available power are detected. It is recommended that this gasket be inspected and replaced preventively during seasonal maintenance checks, especially after intensive sailing seasons or on boats that are several years old. Performing this replacement preventively avoids more complex and costly operating problems at sea.

Compatible engines

Equivalent manufacturer part numbers