Even with the best preventative care, boat motors are notoriously subject to failure. For the typical inboard/outboard, the raw-water impeller is one of the #1 wear items and sooner or later you’ll have one go while out on the water. If you’re lucky, you’ll have 2 motors so you can get back home on the “spare” – otherwise you can plan on a tow. Once you’ve got the boat in a position to do some work, this is a fairly simple fix that can save you a lot of labor cost vs hiring a mechanic. Read on for some of our lessons learned and tips to make your water pump overhaul go smoothly.