14610-RDV-J00 Fr Inner Rocker Arm - Overview. The 14610-RDV-J00 Fr Inner Rocker Arm is a vital component of the Honda marine engine systems. It operates within the engine's valve train system, playing a crucial role in controlling the precise movement of intake valves. By ensuring smooth valve operation and timing, it helps maintain optimal engine performance and efficiency. This part is designed to match factory specifications and seamlessly integrates with existing engine components, ensuring