24612-ZV1-000 Shift Arm - Overview. The 24612-ZV1-000 Shift Arm is a critical component within Honda marine engine systems. It supports the marine drive's shifting mechanism, facilitating smooth engagement and disengagement of gears. Designed to integrate seamlessly with existing shift hardware, it ensures reliable and precise gear control, maintaining overall performance and operational durability.. Key Features. The Shift Arm acts as a lever, directly impacting the gear engagement process with