Posts Tagged ‘how to properly flush your boat engine’
Old School “Flushing Muffs”
  It’s true, most boaters flush their boat engine on land, using Old School “Flushing Muffs”. In short, freshwater enters the flushing muffs at the out-drive intake vents to the pump then flushes through the cooling system. Unfortunately, most flushing muffs don’t make a perfect seal or can slip off the out-drive causing air to enter…
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