17868-ZV1-810 Spring - Overview. The 17868-ZV1-810 Spring is an essential control lever spring designed for Honda marine engine systems, playing a vital role in the rigging and control assembly. This spring supports the mechanical control system, ensuring smooth and reliable operation of the control lever mechanisms that regulate throttle and shift functions. By maintaining the appropriate tension in the control lever linkage, the spring helps keep the equipment operating reliably and efficientl