53105-ZY9-A01 Lock Plate Assembly - Overview. The 53105-ZY9-A01 Lock Plate Assembly is a critical component within Honda marine engine rigging systems. It supports the locking mechanism to secure vital parts of the engine control and rigging systems, guaranteeing reliable operation and safety. Designed especially for Honda marine applications, this lock plate assembly ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. This OEM Lock Pl