90651-ZW4-000 Circlip (39Mm) - Overview. The 90651-ZW4-000 Circlip (39Mm) is an essential component within Honda marine engine systems. This 39mm retaining ring is crafted to support the rigging and accessories systems, specifically designed to secure components in place and prevent any dislodging during operation. As a critical part of the assembly, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precisely engineered 39mm circl