BASE GASKET YAMAHA 60V-45113-02

Function and technical context

The Yamaha 60V-45113-02 Base Gasket is a critical sealing component that seals the interface between the engine block and cylinder head on Yamaha outboard engines. This gasket acts as a hermetic barrier in the engine cooling and lubrication circuit, preventing fluids from leaking between both contact surfaces. Failure or wear of this gasket compromises the integrity of the seal, which can lead to loss of coolant, water entry into the crankcase, contamination of the lubricating oil and overheating of the engine during navigation.

When to replace this part?

The base gasket must be replaced when coolant or oil leaks are detected in the contact area between the block and the cylinder head, symptoms that are usually accompanied by engine overheating or visible loss of fluids during navigation. Although there is no fixed replacement interval, it is recommended to inspect it during each seasonal maintenance check, especially after prolonged operations or in demanding navigation conditions. Replacing this gasket preventively avoids costly repairs and the risk of failure at sea caused by sudden overheating.

Equivalent manufacturer part numbers