50150-ZY1-000 Mounting Rubber - Overview. The 50150-ZY1-000 Mounting Rubber is an essential part of the Honda marine engine system, designed specifically to isolate and reduce engine vibration. As a vibration-dampening component, it supports the engine mounting system by absorbing and mitigating the transfer of mechanical vibrations to the boat's hull and structure. This ensures smoother operation and less noise, contributing to a more comfortable boating experience.. Key Features. Genuine OEM M