30310-ZY1-003 Pulser Coil Assembly - Overview. The 30310-ZY1-003 Pulser Coil Assembly is a vital component in Honda marine engine systems. It functions within the ignition system, generating the electrical pulses required to ignite the fuel-air mixture, enabling reliable engine starts and smooth operation. Engineered to meet precise factory specifications, the pulser coil assembly ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Ser