Marine Fuel Treatment

Replacing the combustion chamber

Enhancing the exhaust system

Fuel oil treatment (correct)

Increasing the engine's power output

To reduce the need for regular maintenance

To increase the engine's speed

To improve the engine's cooling system

To ensure the fuel will break easily inside the combustion chamber without damaging injection parts (correct)

Adding extra lubrication to the fuel

Increasing the fuel's viscosity

Removing impurities such as deposits and water in settling tank and centrifuges (correct)

Adjusting the engine's timing