31240-ZY6-003 Magnet Switch Assembly - Overview. The 31240-ZY6-003 Magnet Switch Assembly is an essential safety component in Honda marine engine electrical systems. Integral to the engine's safety interlock, it prevents engine ignition unless the emergency stop lanyard is engaged. This critical function helps protect operators and the engine by ensuring the engine stops immediately if the operator is separated from the controls.. Key Features. OEM Magnet Switch Assembly designed for Honda marine engines.. Provides vital safety interlock functionality preventing unauthorized or unsafe engine starts.. Precisely manufactured to meet factory specifications, ensuring reliable fit and function.. Seamless integration with existing electrical harnesses and engine components.. Maintains the expected durability and operational feel of Honda marine engine systems.. Compatible with Honda outboard engines, especially models requiring safety stop lanyards.. Why Choose Genuine OEM. Using original Ho