YAMAHA INTAKE GASKET 6H3-13621-A1

Function and technical context

The intake gasket is part of the Yamaha engine's distribution system, hermetically sealing the area where the intake manifold connects to the cylinder head. Esta pieza es crítica para mantener la estanqueidad del circuito de entrada de aire-combustible, evitando fugas de mezcla y la entrada de agua en el sistema de admisión. Its deterioration causes loss of compression, failures in starting, irregular operation of the engine and possible infiltrations of seawater that compromise the reliability of the boat in navigation.

When to replace this part?

Intake gaskets require inspection and visual inspection at every seasonal maintenance, especially on engines that have been stopped or exposed to saline humidity. Symptoms of wear include difficulty starting when cold, irregular operation with abnormal vibrations, progressive loss of power and the presence of drips around the intake manifold. Preventive replacement during major maintenance checks prevents costly repairs resulting from water ingress or cylinder damage.

Yamaha Engine Compatibility

Equivalent manufacturer part numbers