16406-ZW5-000 Injector Set - Overview. The 16406-ZW5-000 Injector Set is an essential fuel delivery component for Honda marine engine systems, specifically designed for Honda Outboard MP7770 4 Stroke BF115-130HP engines. This injector set precisely meters and injects fuel into the combustion chamber, enabling optimal engine performance, enhanced fuel efficiency, and reduced emissions. Built to OEM standards, it ensures seamless integration with existing parts, maintaining optimal performance and