50153-ZY1-870 Mounting Rubber Cvr - Overview. The 50153-ZY1-870 Mounting Rubber Cvr is a crucial vibration-dampening rubber component designed specifically for Honda marine engine systems. Its primary function is to absorb shocks and isolate sensitive equipment from the vibrations generated by engines or hull movement, ensuring optimal operation and protection of your marine equipment. Crafted to fit seamlessly within Honda Active Marine applications, it ensures seamless integration with existin