In-Stock. Guaranteed.
Dual-Feed Professional Outboard Engine Flusher
3.6 out of 5 Customer Rating
Model # 8536971 Mfg # 31-66133
In-Stock. Guaranteed.
Model # 8536971 Mfg # 31-66133
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Extend engine life by flushing after saltwater use.

When left in the cooling system, saltwater can cause corrosion that can lead to expensive repairs and possible engine failure; flushing the engine with freshwater helps to combat this corrosion.

Our outboard motor flusher provides a way for boaters to connect their outboard or inboard/outboard to a freshwater source to run the engine to effectively flush out saltwater and silt. The universal rectangular cups are held over the engine’s intake by a spring loaded clamp and supplied freshwater from a single garden hose. The outboard motor flusher can also be used to perform tune-ups and other maintenance conveniently in your driveway or shop. Flush your engine’s cooling system and keep corrosion at bay with a West Marine outboard motor flusher.

Key Features

  • Removes corrosive saltwater and silt from outboard and inboard/outboard engine cooling systems
  • Ideal for flushing engines after saltwater use.
  • Rectangular cups deliver freshwater from a garden hose and are held in place by a spring clamp
  • Allows routine maintenance or tune-ups to be performed on dry land
  • Can be used with inline mixers to deliver salt removal products for a more thorough flushing

Engine Flusher Application Chart

Engine Make Year Horsepower
Chrysler 1981 to 1983 55 (1-piece gear housing)
Chrysler All 65 (1-piece gear housing)
Chrysler All Sailor models
Force 1983 to 1989 85; 125
Force 1983 to 1989 70; 90; 120; 150
Evinrude 1951 to 1963 30
Evinrude & Johnson 1969 to 1981 85; 125; 130
Evinrude & Johnson 1969 to Present 100 & 115
Evinrude & Johnson 1974 to Present 9.9 & 15
Evinrude & Johnson 1976 to Present 175 & 200
Evinrude & Johnson 1976 to Present 35; 55; 140 & 235
Evinrude & Johnson 1984 to Present 2.6XP; 3.6XP; 30; 65; 100; XP150; 155; 185
Evinrude & Johnson 1985 to Present 20; 28; 40; 48
Evinrude & Johnson 1985 to Present All V8, V6 and V4 Models
Mariner 1981 to Present 4; 5; 20; 25; 30
Mariner 1981 to Present 40; 50; 70; 80; 100
Mariner 1981 to Present 115; 150; 175; 200
Mercury 1981 to 1985 18; 25; 40; 50
Mercury 1981 to 1985 70; 80; 90; 115; 150
Mercury 1981 to Present 150; 175; 200; 225; 300
Mercury 1985 35; 60; 75; 3.4 Liter
MerCruiser To Present 120 to 370
OMC 1973 to Present Stern Drives w/side water inlets
OMC 1988 1.6; 2.0 & 3.0
Tohatsu 1982 to Present 12; 15; 18; 30; 40; 50 & 70
Tohatsu 1982 to Present 90; 120; 140
Volvo/SX 1969 to Present 200; 250; 270; 280; 290
Volvo/SX To Present Volvo SX Drive
Yamaha To Present 8.25 thru V6

Best Use Engine Flushing , Winterizing
Compatibility Outboards , Sterndrives
Type Outboard Flushers
Warning
Cancer and Reproductive Harm - www.P65Warnings.ca.gov