13622-ZZ5-000 Tb Guid Plate - Overview. The 13622-ZZ5-000 Tb Guid Plate is a crucial component within Honda marine engine systems, specifically related to the throttle body and timing belt assembly. This plate functions as a guide or support element, contributing to the proper alignment and operation of the throttle body mechanism. By maintaining the correct tension and guidance of the timing belt, it ensures seamless integration with existing parts, maintaining optimal performance and durabilit