87121-ZY6-000 Rr (150) Mark - Overview. The 87121-ZY6-000 Rr (150) Mark is an essential decal that supports Honda marine engine systems, specifically designed for rear identification marking on 150 HP models. This OEM part plays a vital role in maintaining the authentic appearance and specification conformity of the engine. Designed according to factory standards, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM decal