Changing Gear Lube With a Mercury Lower Unit Oil Pump

Finding the right mercury lower unit oil pump makes a messy annual chore way easier than trying to squeeze a slippery bottle while lying on your back. If you've ever tried to service your outboard without one, you probably ended up with more gear lube on your driveway than inside the gearcase. It's one of those cheap little tools that transforms a frustrating Saturday morning into a quick fifteen-minute task. Honestly, for the price of a couple of burgers, it's a piece of gear that every boat owner should have stashed in their toolbox. ...

April 29, 2026 · 7 min · Vivienne Mirella