Big Rideau Lake | Len's Cove Marina | Blog

What Happens If You Skip Spring Boat Maintenance?

Written by Sean Horsfall | March 18, 2025

As the ice melts and the days get longer, it's tempting to rush straight into boating season. The sun is shining, the water is calling, and the last thing you want to think about is checking oil levels or inspecting your hull. But skipping spring maintenance? That's a gamble that could cost you in money, time, and safety.

Many boat owners assume they can just launch and go, but boats aren't like cars. They sit idle for months in storage, exposed to temperature swings, condensation, and wear that isn't always visible. Without proper checks, you could be setting yourself up for breakdowns, expensive repairs, or even a ruined boating season. Here's what can happen if you skip on essential spring maintenance:

Your engine might not start. Or worse, it could fail on the water. The number one reason boaters get stranded? Engine failure. After sitting for months, your boat's fuel system, battery, and oil may not be in the same shape they were last season.
  • Old fuel can break down, leading to clogged fuel lines and filters. Ethanol fuel attracts moisture, which can lead to water contamination and engine damage. If any was left in the tank over the winter it could cause performance issues or stalling. We recommend always running a high-quality, ethanol-free fuel. 
  • Your battery might be dead from months of inactivity. Without proper charging or winterization it could need replacing before you even hit the water.
  • Low or dirty oil can cause overheating and engine wear, shortening the lifespan of your motor and leading to costly repairs.

Water leaks could go unnoticed until it's too late. A boat's hull and fittings expand and contract with the changing temperatures. What was a tiny, unnoticed crack in the fall could now be a slow leak waiting to happen.

  • Drain plugs, through-hull fittings, and seals can dry out or loosen, creating entry points for water. If you don't inspect the hull and transom for damage, you could end up with a flooded bilge, or worse.
  • You might not notice a slow leak at first, but over time, water can creep into places it shouldn't, leading to mold, rot, or even structural damage.

Hidden electrical issues could put you at risk. Your boats electrical system is more sensitive than you think. Wiring, fuses, and switches can corrode over time, especially if moisture found its way into connections during storage.

  • Your navigation lights, bilge pump, or horn may not work when you need them. If your bilge pump fails, you may not realize your boat is taking on water until it's too late. 
  • Corroded terminals or damaged wires can cause shorts, sparking, or even fires in extreme cases.

You could be burning more fuel than necessary. Gas prices can be a touchy subject, especially for boaters. Regular spring maintenance ensures your boat runs efficiently, saving you money at the pump and reducing wear on your engine.

  • A dirty hull increases drag, making your boat work harder and burn more fuel.
  • A neglected propeller with dents or damage can reduce efficiency, slowing you down and straining your engine.
  • Worn-out spark plugs or a clogged air filter force your motor to use more gas than necessary

Your safety gear might not be ready when you need it. Your boat isn't just a toy - it's a vehicle on the water, and safety should always come first. In an emergency, every second counts. We hope that we will never have to use it, but ensuring your safety gear is up to date and in good condition is one of the easiest and most important things you can do before launching for the season.

  • Life jackets and floatation devices can degrade over time. Zippers, buckles, or seams might fail when you need them most. Be sure they are all in working condition.
  • Fire extinguishers, flares, and distress signals expire and may not be legal (or functional) anymore.
  • A first-aid kit that sat through winter in damp conditions might not be usable.

Boats are an investment, and proper maintenance is the best way to protect that investment. Skipping maintenance might feel like a time-saver now, but a little effort in the spring can save you from costly repairs and valuable time on the water lost later in the season. Our advice? Follow a spring checklist (we have a free one for you here), ask a marine technician to take a look if you're unsure of something, and stay ahead of repairs. Boating should be fun, taking the time for proper maintenance means more time enjoying it. See you out on the water!