50153-ZY9-000 Mount Stopper Rub - Overview. The 50153-ZY9-000 Mount Stopper Rub is an essential rubber mounting stopper designed specifically for Honda marine engine systems. This part functions to prevent excessive movement and absorbs impact within the mounting system, thereby protecting critical engine components and maintaining operational stability. As a genuine Honda OEM part, it guarantees seamless integration with existing parts, maintaining optimal performance and durability.. Key Featu