90651-ZV1-000 Circlip (Inner) (40) - Overview. The 90651-ZV1-000 Circlip (Inner) (40) is an essential retaining ring used within Honda marine engine systems. It serves a crucial role by securing internal components to ensure reliable mechanical operation and prevent movement that could cause damage. Manufactured to meet exact OEM standards, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Type: Circlip (Inner), designed as a reta