Nissan NSF6A3Z Owner's Manual

The recommended fuel type for the Nissan NSF6A3Z is unleaded gasoline with a minimum octane rating of 87 (R+M)/2.
It is advised to change the oil every 100 hours of operation or at least once per boating season, whichever comes first.
Check the fuel level, ensure the fuel line is properly connected, verify the kill switch is in the correct position, and inspect the spark plug for wear or damage.
Regularly rinse the motor with fresh water after use in saltwater, apply anti-corrosion spray, and ensure anodes are intact and functional.
Drain all fuel from the system, change the oil, lubricate all moving parts, and store the motor in a dry, upright position.
Perform a tune-up by changing the spark plug, replacing the fuel filter, checking the ignition system, and inspecting the propeller for damage.
Stop the engine immediately, check for blockages in the cooling system, ensure water intake is clear, and inspect the thermostat for proper function.
Ensure the motor is properly maintained, use the correct propeller size, avoid overloading the boat, and maintain a steady speed during operation.
Common signs include reduced water flow from the telltale, overheating, and unusual noises coming from the water pump area.
Check for fuel contamination, inspect the spark plug, clean the carburetor, and ensure proper idle speed adjustment.