17930-ZW6-700 Throttle Arm - Overview. The 17930-ZW6-700 Throttle Arm is a vital component in Honda marine engine systems. This part plays a crucial role in the throttle control system by connecting the throttle cable to the carburetor, providing precise regulation of engine speed. It helps maintain reliable engine performance and smooth acceleration, essential for optimal boating experience. Designed to meet strict factory specifications, the throttle arm ensures seamless integration with exist