YAMAHA EXHAUST GASKET 62Y-4113-00

Function and technical context

The exhaust gasket is a critical sealing element in the engine exhaust manifold, responsible for preventing combustion gas leaks between the engine block and the outlet pipe. This part works in the exhaust system, where it supports high temperatures and intermittent pressures generated during the expulsion of residual gases. If the gasket degrades or loses its tightness, gases will escape uncontrollably, causing loss of power, local overheating of the engine and possible entry of seawater into critical areas of the cooling system.

When to replace this part?

A deteriorated exhaust gasket is usually manifested by a visible loss of power, abnormal vibrations in the manifold area, a very pronounced smell of exhaust gases or even a tearing sound in the exhaust pipe. It is recommended to check the condition of this gasket during each seasonal maintenance and replace it preventively every 2-3 years or if signs of corrosion or cracks are observed on the contact surface. Changing the gasket preventively prevents sudden breakdown while sailing and prolongs the useful life of the rest of the exhaust system.

Equivalent manufacturer part numbers