Boats are a big part of many people's summertime activities. So whether you're hitting the open water for fishing, skiing, or cruising around, it's essential to keep your boat in good working order. That includes regular maintenance on the boat itself and its components, including the outboard motor.
How often you service your boat is determined by how many hours you spend on it and how frequently you go out on it. The general rule is to service every 100 hours. How often are these trips made? A few hours each week keeps the engine in better condition than using it two or three full days every month. The more it's used, the better it runs, just like any automobile. If it's left in a mooring or parked in a garage most of the time, parts tend to deteriorate faster.
The average lifespan of a Yamaha outboard is 1,500 hours or 7 to 8 years, depending on various conditions. However, with proper care and maintenance, you can significantly extend its life. Here are some tips on keeping your boat running like new for years to come.
Preventative Maintenance After Every Use
- Flush out the engine. This is one of the important things you can do for your outboard motor. Every time you use it, be sure to flush out the engine with fresh water to prevent saltwater and debris from building up and rusting. This isn't just for saltwater excursions; it's also helpful if you're on a freshwater adventure.
- Turn on the engine and allow the water pump to do its job (reminders to keep clear of the prop and ensure no one attempts to shift the engine into gear).
While you're running the motor, check the water pump for improved water flow. Put your finger in the water stream carefully. It might be heated, but it should not be hot. If the output isn't strong, debris might be clogging the outflow tube. Immediately shut off the engine and check for any blockages. Insert a small object into the tube to clear it. Start the engine again to recirculate the water and check for any leaks. And if that doesn't work, it might be time to replace the water pump.
After flushing the engine, detach the fuel line and let the engine burn all of the gasoline in the carburetor.
When you've finished the flushing and run out of fuel in the engine, make sure to turn off the ignition and shut it off if you have a battery switch.
Remove the cowling from the engine and inspect for fuel or water leaks. Have your boat serviced by a professional mechanic if any leaks are discovered.
Wipe down the entire desk, then spray it with a substance that prevents corrosion, such as WD-40. Remember to get all the nooks and gaps, especially under the cowling, where saltwater can quickly build up.
Remove the cowling and clean it. Keep a canvas or plastic cover on the engine to avoid rusting and corrosion between trips.
Always use fresh gasoline. Your boat's motors should be drained at the end of the season, and the gasoline should be delivered to a responsible recycling vendor.
Regularly check the fuel line for cracks and wear areas.
Check the fuel primer bulb for cracks and flexibility.
Make sure the fuel line connections are tight and don't seep.
Check the clamps on the fuel line for deterioration or rust.
Check the fuel tanks for any leaks.
Check the engine mounts for cracks, corrosion, or looseness.
Inspect the propeller for nicks and cuts.
Check the tank vent for blockages.
Check the control cables for fraying or corrosion.
Check all of the hoses for cracks, leaks, and loose clamps.
Inspect the drive shaft for corrosion.
Check the water pump impeller for wear.
Have the engine's oil and filter changed every 100 hours or once a season, whichever comes first.
Check the lower unit oil level and, if necessary, add oil to bring it up to the proper level.
Have the boat's hull and trailer inspected regularly.
