Impellers

The impeller of an outboard motor is located in the stern. It is recommended that you check the impeller every year and replace it every two years. When ordering a new impeller, please check the dimensions of the old impeller to ensure that you order the correct one!

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An outboard motor uses the water you are travelling in for cooling. Cooling ensures that your engine can deliver the required power without overheating. An impeller is actually the opposite of a propeller. While the propeller uses rotation and water displacement to propel your boat forward, an impeller sucks in water. The water is fed into a cooling system, which cools the engine. The impeller works with a blade system that takes in the water and directs it into the engine's cooling system. Normally, the impeller has a long service life. However, it may be necessary to replace the impeller of the outboard motor. This is because the blades can become damaged. In this case, the cooling water cannot be directed through the engine as efficiently. This can result in the engine not being cooled sufficiently and further damage occurring. The problem with possible damage to the impeller is that you often do not notice it immediately while sailing. It is therefore advisable to check the condition of the impeller regularly. You can do this when you winterise your boat, for example. This way, you can see immediately whether the impeller of the outboard motor needs to be replaced.