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Regular Maintenance of Marine Engine

Views:100     Author:Site Editor     Publish Time: 2019-09-17      Origin:Site


A few simple checks and routine maintenance can keep your outboard in tip-top condition for years.


For most of us, buying a new outboard is a major investment so regardless of its size, it’s imperative to properly break it in. Not only does it ensure everything works appropriately, but also gives the engine the best opportunity to be well lubricated to include pistons, rings, cylinders and even the lower unit.


Today’s engines are sophisticated machines and taking the proper care both in break-in and maintenance will make sure that investment lasts longer and runs better.


Earrow outboard engine


Outboards are precision instruments and they are extremely reliable but they are operating in a very hostile environment. The electrical systems have been made pretty waterproof in most cases, although you can still find exposed terminals where the battery leads connect if you have the luxury of electric starting. Check any exposed terminals for corrosion and examine the electrical wires going into the engine for chafe and poor insulation. Seawater loves electrical connections, where it can start corrosion in the blink of an eye. Spraying the engine with WD40 or a similar silicone grease regularly can do a lot to keep any corrosion at bay and the spray tends to force any water out.



  • Periodically check the fuel line for cracks and worn spots.

  • Make sure the fuel primer bulb is not cracked and is pliable.

  • Make sure the fuel-line fittings seat properly and don't leak.

  • Check the clamps on the fuel line for rust or corrosion.

  • Check the fuel tanks for damage and corrosion.

  • Check the tank vent to make sure it aspirates properly.

  • Check regularly for water in the fuel.




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