17203-ZY1-000 Flame Trap - Overview. The 17203-ZY1-000 Flame Trap is a critical safety component within Honda marine engine fuel systems. Its primary role is to prevent flames from propagating back into the fuel tank, thereby significantly reducing the risk of fire hazards. By acting as a barrier to ignition sources, this flame trap ensures the safe and reliable operation of your Honda marine engine systems. Designed with precision, it fits seamlessly with existing fuel system components to main