90113-ZY9-003 Rr Bracket Bolt - Overview. The 90113-ZY9-003 Rr Bracket Bolt is an essential component in Honda marine engine systems. Designed specifically to secure the rear bracket assembly, it plays a crucial role in maintaining the mechanical integrity and reliable operation of the marine engine's mounting system. Manufactured to match factory specifications, this bolt ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine Hon