06400-ZX2-E01 Gear Kit - Overview. The 06400-ZX2-E01 Gear Kit is a crucial component supporting the transmission system in Honda marine engine systems. Designed to replace or rebuild the gear assembly, this kit ensures smooth mechanical motion and reliable power transfer essential for marine applications. Manufactured to meet strict factory specifications and tolerances, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Comprehens