63711-ZVL-B90ZB R ENG *NHB14M* CVR - Overview. The 63711-ZVL-B90ZB R ENG *NHB14M* CVR is a genuine Honda marine engine part designed specifically for the rear engine cover system. This component plays a crucial role in protecting the internal mechanics of the engine while supporting the overall integrity of Honda marine engine systems. Manufactured to meet strict factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Feat