28443-ZH8-003 Return Spring - Overview. The 28443-ZH8-003 Return Spring is a critical part of the recoil starter system in Honda marine engine systems. It works by providing necessary tension to the starter mechanism, enabling the lever to retract smoothly after use. This functionality ensures the engine starts reliably and that components return to their proper positions, maintaining system stability and operational readiness. Manufactured to match Honda factory specifications, this genuine OEM