How to Flush and De-Salt Your Boat Motor

Quick Answer

After every saltwater outing, flush your motor by connecting a freshwater hose to the flushing port or using ear muffs over the water intakes. Run the engine at idle for 5 to 10 minutes until only clear water exits. Use a dedicated engine flush solution to dissolve salt buildup inside the cooling passages. Shut the engine off, then disconnect the hose. The Better Boat Winterizing and Engine Flush Kit makes this process straightforward and helps prevent corrosion that shortens engine life.

For this job, Winterizing & Engine Flush Kit works well, a marine grade boat care kits option made for the job.

Scott Gregg reviews Better Boat products and shows how to completely and properly flush and desalt your outboard engines or inboard/outboard engines. De-salting your engine is one of the best ways to prolong its life and avoid expensive repairs.

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Boat Soap Wash Sprayer and Boat Engine Flush Kit with garden hose attachment

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Boat Soap Wash Sprayer and Boat Engine Flush Kit

Turn a garden hose into a soap applicator, salt remover applicator, rinse tool, and engine flush helper.

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De-Salt Concentrate Salt Remover and Flusher 32oz bottle

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De-Salt Concentrate Salt Remover and Flusher

Break down salt on engines, hulls, gear, and equipment before it sits through storage or another week at the dock.

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