63715-Zx2-C01zc L Eng *Nh565* Cvr - Overview. The 63715-ZX2-C01ZC L Eng *NH565* Cvr is a vital component of Honda marine engine systems. This left engine cover supports the engine's structural integrity and protection, contributing to the overall reliability of the marine engine. Designed specifically for use in Honda marine engines, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. This cover serves as a left engine lower cover,