YAMAHA INTAKE GASKET 6H3-13622-A1

Function and technical context

The intake gasket is a critical component of the air intake system on Yamaha 2-stroke engines. This part hermetically seals the connection between the cylinder and the intake port, allowing the fuel and air mixture to flow properly into the combustion chamber during each operating cycle. Deterioration or leaks in this gasket compromise the tightness of the system, causing loss of compression, entry of water into the cylinder and an incorrect mixture that reduces engine power and affects propulsion efficiency.

When to replace this part?

The intake gaskets show signs of wear when difficulty starting, loss of revolutions, excessive smoke in the exhaust or presence of water in the crankcase is observed. Although there is no fixed maintenance interval, it is recommended to inspect this gasket during each seasonal inspection and replace it preventively if cracks, deformations or hardening of the material are detected. Changing this gasket before it completely fails avoids costly and dangerous repairs in offshore navigation situations.

Equivalent manufacturer part numbers