31217-ZW9-801 Armature - Overview. The 31217-ZW9-801 Armature is an essential component in Honda marine engine systems, specifically designed for the starter motor. Its primary role is to generate the magnetic field necessary to convert electrical energy into mechanical motion, enabling reliable engine starting. Crafted to match factory specifications, this armature ensures seamless integration with existing parts, maintaining optimal performance and durability.. Key Features. Genuine OEM Honda