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How to Make a Boat Flush Kit

Whether you take your boat out in salt water or fresh water, regular flushing of the engine is essential to ensure its longevity. This will clear out any corrosive salts that can cause long-term damage to your engine, as well as eliminating dirt and grime that can cause blockages. Although you can buy a boat flush kit in stores or online, it is just as easy to make your own.

Things You'll Need

Ear muff-style boat motor flusher
Water hose
Antifreeze
Container

Instructions

- 1
  Purchase an ear muff-style boat motor flusher. These can be bought for as little as a few dollars and will be used to cover both air intakes on your outboard engine.
- 2
  Attach a length of hose to the attachment on the motor flusher.
- 3
  Ensure that the hose is connected securely. When you flush the engine this hose will be attached to a standard water supply.
- 4
  Purchase a large container of antifreeze for use in winter.
- 5
  Place the equipment in a box or container so that it is easy to find later. Ideally this should be kept in your boat shed or on the boat itself so that you can use it every time you take to the water.

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