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✓Right for You If You Want the Outboard to Outlast the Boat - salt left sitting in the cooling passages after a trip is what eats a powerhead from the inside out. 10 minutes on the muffs after each salt run is the cheapest engine insurance there is
✓Dual Feed, Not Single - water is fed to both cups at once, so both intakes get pressure instead of one side starving. On a motor that draws from both sides, a single-feed muff can leave the impeller running dry on one intake
✓How to Use It - clamp the cups over the water intakes on the lower unit, connect a garden hose, turn the water on FIRST, then start the engine and idle for 5 to 10 minutes. Watch the telltale stream the whole time and shut down if it stops
✓Water On Before the Key, Every Time - an outboard run dry will cook an impeller in under 30 seconds. Water first, engine second, engine off, water off. That order is the whole safety rule
✓Winterizing Takes About 3 Minutes - run antifreeze through the same way at the end of the season so nothing is left in the block to freeze and split it. On an older rig that repair costs more than the motor is worth
✓1 Set Fits the Whole Fleet - flexible cups on sprung arms clamp over the intakes on outboards and stern drives with no adapters, from a 9.9 hp tiller to a 250 hp V6. Also available in blue