63716-ZY9-010ZA L *NH282MU* Cover - Overview. The 63716-ZY9-010ZA L *NH282MU* Cover is an essential component within Honda marine engine systems. This left lower engine cover plays a crucial role in protecting and enclosing vital parts of the marine engine assembly, contributing to the overall reliability and longevity of the system. Manufactured to exact factory specifications, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Ge