14631-ZZ3-000 Rocker Shaft - Overview. The 14631-ZZ3-000 Rocker Shaft is a critical internal engine component within Honda marine engine systems. It functions as a lever pivot point for the rocker arms that operate the intake and exhaust valves, ensuring efficient engine combustion and smooth mechanical motion. Engineered specifically for Honda marine engines, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Precise OEM component