13331-ZVA-000 Special Key - Overview. The 13331-ZVA-000 Special Key is a vital component in Honda marine engine systems, specifically designed to securely engage and disengage the clutch mechanism that controls propeller movement. This OEM key supports the system by enabling reliable forward and reverse propulsion control, ensuring smooth and efficient operation. Tested to factory specifications, the Special Key integrates seamlessly with existing engine hardware, maintaining long-lasting durabi