How to change your boat oil!

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You should change your engine oil and filter every 100 hours or every season, which ever comes first. This simple piece of maintenance is often overlooked because it is not quite as easy as changing the oil in your automobile. Following is a step-by-step process which you can follow to make the chore more bearable.

Equipment Needed:

  • An oil filter wrench to fit each size of spin-on filter you have
  • A box of Zip-Lock baggies large enough to hold an oil filter
  • A wrench the correct size for your crankcase drain plug, and a pan shallow enough to fit under your engine if possible or,
  • A dipstick-tube oil drain pump and bucket big enough to hold all the oil or,
  • An oil drain pump permanently fitted to your crankcase drain plug and bucket
  • A roll of paper towels
  • New oil filter(s)
  • A supply of fresh oil as recommended by your engine manufacturer

Step-by-Step:

  • Run the engine(s) until warmed to at least 130 degrees
  • Drain the oil using the pump, or into the pan
  • Replace the plug or close the valve
  • Loosen the oil filter on the engine until it can be turned by hand
  • Put a Zip Lock Baggie around the filter, and unscrew the rest of the way
  • Use a paper towel to catch drips from the filter's mounting
  • Seal the zip lock baggie keeping the filter upright
  • Put it into the new filter's box
  • Using your finger, wet the O-ring atop the new filter with fresh, clean oil
  • Screw on the new filter until just finger-tip tight
  • Follow the manufacturer's recommendation as to tightening with the wrench
  • Re-fill the crankcase with new oil (see your engine handbook)
  • Be sure to add a quart for the filter
  • Wipe up any drips
  • Start the engine and let it run a few minutes
  • Checking to be sure oil pressure comes up and there are no oil leaks around the filter or drain plugs
  • Dispose of the oil properly at an approved disposal facility
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