What should you do before starting an inboard gasoline system?

Before starting an inboard gasoline system, ensure that the fuel system is free of leaks by checking all fuel lines and connections. Verify that the fuel tank has sufficient fuel and that the fuel is clean and uncontaminated. Additionally, inspect the ignition system, battery connections, and cooling system to confirm they are in proper working order. Finally, ensure that all safety equipment is in place and that you are in a well-ventilated area to prevent the buildup of harmful fumes.