90652-ZW1-702 Circlip (Inner) - Overview. The 90652-ZW1-702 Circlip (Inner) is an essential component in Honda marine engine systems. This internal circlip functions as a retaining ring that securely holds crucial parts within the engine assembly, ensuring stable mechanical operation. By providing precise retention, it aids in maintaining the overall reliability and performance of the marine engine. Crafted to seamlessly integrate with existing components, the 90652-ZW1-702 Circlip (Inner) suppo