17946-ZV5-000 Throttle Cam - Overview. The 17946-ZV5-000 Throttle Cam is a crucial mechanical component in Honda marine engine systems. It plays a pivotal role in controlling throttle speed and power output, ensuring precise regulation of engine performance. Designed to seamlessly interface with the throttle system, it ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. The throttle cam is an OEM genuine part manufactured by Honda, ens