What a Collapsed Primer Bulb Is Trying to Tell You

A primer bulb that collapses while you’re trying to start your outboard isn’t just a minor inconvenience—it’s often telling you something important about the fuel system. In this video, David Cole explains what a collapsed primer bulb can reveal about blocked fuel tank vents, restricted fuel lines, clogged filters, faulty anti-siphon valves, air leaks, and fuel system problems that can leave you stranded on the water. You’ll learn how to diagnose the fault safely, what to check first, and why replacing the bulb alone may not solve the real problem. If you enjoy practical boating advice, outboard maintenance tips, and honest guidance for boat owners, subscribe to David Cole Boating. #Boating #OutboardMotor #BoatMaintenance #MarineEngine #BoatingTips