FAQ

Question 1

What will happen if I leave water in my outboard motor?

Accepted Answer

If you leave water in your outboard motor for any length of time when it is not being used, you run the risk of severe and very costly damage. As temperatures plummet during the winter, any water that has been left inside the motor will freeze and expand, causing cracks and other damage to occur internally. Additionally, salt water is corrosive and can cause corrosion within the engine.

Question 2

Do both 2 stroke and 4 stroke outboard motors need to be winterised?

Accepted Answer

Yes. While the exact process varies slightly, all outboard motors, both 2 stroke and 4 stroke, should be winterised to prevent damage.

Question 3

Do I need to winterise my outboard motor, even if it is going to be stored indoors over the winter?

Accepted Answer

Yes. Whilst some of the winterisation process is to prevent damage caused by freezing temperatures, other aspects of the process, such as replacing oils, treating fuel and greasing moving parts should be carried out if an outboard motor isn’t going to be used for a long period of time, regardless of the temperature.

Question 4

When should I winterise my outboard motor?

Accepted Answer

You should winterise your outboard motor as soon as the temperature drops sufficiently that there is a risk of frost and you have finished using your boat for the season. In the UK, this is usually around the end of September.

Question 5

When should I de-winterise my outboard motor?

Accepted Answer

It is safe to de-winterise your outboard motor as soon as the last of the spring frost has passed. In the UK, this is usually around April.

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