90755-SB2-000 E-RING (6MM) - Overview. The 90755-SB2-000 E-RING (6MM) is a vital retaining clip designed for use in Honda marine engine systems and various Honda automotive applications. This E-ring functions as a securing component that fits into a groove on a shaft or similar part, ensuring that essential mechanical connections remain stable during operation. Its primary role is to provide reliable retention within assemblies, preventing unwanted movement that could compromise system performan