87301-ZVT-B00 Fr (140) Mark - Overview. The 87301-ZVT-B00 Fr (140) Mark is a genuine OEM identification label for Honda marine engine systems. It serves as a front marker label used for clear engine identification within Honda's marine lineup. This part supports the engine marking system, ensuring compliance and proper recognition during maintenance and operation. Designed with precision to match factory specifications, it ensures seamless integration with existing parts, maintaining optimal per