14400-ZW1-004 Timing Belt - Overview. The 14400-ZW1-004 Timing Belt is a critical component within Honda marine engine systems. It supports the timing system, synchronizing the crankshaft and camshaft to ensure valves operate at precise intervals, which is essential for optimal engine performance and reliability. Designed to meet exact factory specifications, this timing belt seamlessly integrates with existing engine hardware, maintaining durability and reducing operational noise and vibration.