How To Properly Flush An Outboard Boat Engine

Flushing a boat engine doesn’t have to be a frustrating right of passage for all new boat owners. With this easy to follow video, you’ll quickly learn how to flush your boat’s engine in just a few simple steps.

What you’ll need:

How to flush a boat engine the easy way.

Original video by martynboaden

In case you want to print out or follow the steps without watching the video again, here they are in order:

  1. Attach flushing muffs to a standard garden hose
  2. Located the water inlet on your boat’s outboard engine
  3. Slip the muffs over the water inlet on the engine
  4. Turn on the water before starting the engine
  5. Verify water is running through the engine before starting it (check for water dripping)
  6. Start your boat’s engine
  7. Look for the water jet so you know the water is drawing water
  8. Let engine run for a few minutes before turning it off
  9. Turn off water only after the engine has been turned off

Go here to purchase the flushing muffs seen in the video.

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