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The force of nature, water, does not forgive mistakes. So it is good if the outboard motor does its job reliably. Unfortunately, it will not be able to do this for long without maintenance. By following a few little tips, you can increase reliability enormously.


The moist air of a body of water leaves its mark. The gasoline in the tank oxidizes a little faster than in a car. In addition, fuels tend to absorb small amounts of water. But it is precisely these two circumstances that can damage the sophisticated engine technology. The unclean combustion gradually leads to damage and ultimately to failure of the engine. It is therefore advisable to replace the petrol after the engine has been idle for two weeks. In the case of longer breaks, a look at the engine oil can’t hurt either. If there are small water droplets in the oil, the outboard motor must never be started. Even the smallest interruptions in the lubricating film can cause major damage to the outboard. The two-stroke engines are also affected. With additional stabilizers and a full tank, oxidation and the formation of condensation water are minimized.


The fuel filter is of course part of the fuel system and its inspection. This is where the smallest deposits from the tank and the gasoline stick. However, if the filter pores are clogged, the gasoline flow is reduced, which leads to a loss of performance or can even result in total failure. The spark plugs from the boat engine also have a limited service life. Soot deposits on the electrodes indicate incomplete combustion, which can also be due to the spark plugs of the outboard motor. The engines from Parsun and Co. are no exception.


Before every boat trip, a visual inspection of the outboard motor can reveal small damage to the protective coating. Typical bubbles or even traces of rust clearly show that protection is no longer guaranteed. So that no major damage occurs, you should quickly eliminate the causes of the traces of rust. In the vicinity of seals or bearings in particular, water leads to serious failures. During the visual inspection of the Parsun outboard, the sighting of the screw is of great importance. At high speeds, the edges of the propeller suffer. If there are any irregularities, you should replace the propeller. Even slight contact with the ground, even if it is just sand, leads to an imbalance. Such imbalances damage the bearings and also the seals on the outboard. Ingress of water, however small, leads to corrosion of the outboard motor and increases the damage.


After the season, the boat is taken out of the water and cleaned. One often forgets that the boat engine should also be prepared for the winter break. For engines from Parsun and other manufacturers, this is an opportunity for thorough maintenance. Many boat owners can carry out this annual inspection themselves with the appropriate knowledge. In addition to an oil change, this also includes checking the impeller. Because it ensures that the engine is always supplied with sufficient cooling water. Outboard dealers usually also have a workshop. There the outboard can be thoroughly serviced and repaired if necessary.

It goes without saying that an outboard should never be started when it is not in the water. Even the slightest overheating can damage your engine.

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