070PB-ZY6A100 Ring Gear Holder - Overview. The 070PB-ZY6A100 Ring Gear Holder is a critical component within Honda marine engine systems, specifically in the transmission assembly. It secures the ring gear, which is essential for the engagement and smooth operation of the propeller drive system. By holding the ring gear firmly, it ensures reliable power transfer and prevents gear slippage, maintaining the overall performance and durability of the outboard motor. Engineered to OEM standards, this