YAMAHA COVER GASKET 61A-11193-A2

Function and technical context

The 61A-11193-A2 cover gasket is a watertight sealing component that seals the crankcase or tank cover on Yamaha marine propulsion engines. This piece works on the engine's sealing system, preventing oil leaks and the entry of salt water into critical areas. Its deterioration or hardening compromises the integrity of the seal, allowing leaks that can affect internal lubrication and accelerate corrosion in vital propellant components.

When to replace this part?

Cover gaskets experience progressive hardening due to exposure to thermal cycling and elastomer oxidation, manifesting as oil drips around the cover, especially after prolonged engine operation. It is recommended to inspect its condition during each seasonal maintenance and replace it preventively every 5-7 years or when a loss of elasticity and resilience is noted. Preventively changing the gasket during major overhauls prevents costly leaks and accelerated deterioration of other areas of the engine exposed to marine moisture.

Equivalent manufacturer part numbers