87122-ZVL-910 Rr (V6) Mark - Overview. The 87122-ZVL-910 Rr (V6) Mark is an OEM genuine identification marking designed for Honda marine engine systems, specifically for V6 engines. This marking plays a critical role in denoting and labeling the rear position (RR) of the V6 engine component, supporting proper identification and maintenance within the engine system. As part of the factory-specified rigging components and accessories, the 87122-ZVL-910 marking ensures seamless integration with exi