90651-ZV5-A10 Circlip (30Mm) - Overview. The 90651-ZV5-A10 Circlip (30Mm) is a crucial component in Honda marine engine systems. This 30mm inner circlip functions as a reliable retainer clip, designed to securely fasten various engine components, particularly within gear cases and extension cases. Engineered to meet strict factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM circlip designed specif