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Proper engine maintenance is essential to saving both time and money. By following a consistent seasonal maintenance schedule, you can significantly extend the life of your engine. However, keeping up with all these tasks on your own can be challenging. That's where B&S' full-year engine maintenance plan comes in handy — it simplifies the process and ensures your engine runs smoothly all year round.
**Seasonal Maintenance Tips**
To keep your engine in top condition, start by replacing the lawn mower oil and oil filter. Oil plays a vital role in lubricating internal parts and reducing friction. Next, replace the air filter (if installed), clean the cooling system, check the brakes, and replace the fuel filter. Finally, don’t forget to change the spark plug for optimal performance.
**Winter Storage Care**
Before storing your engine for an extended period, make sure to fill the fuel tank completely. This helps prevent moisture buildup, which can lead to rust and scale. If the tank fills quickly, consider adding Briggs Gasoline Stabilizer to the fuel. Run the engine for a few minutes to allow the stabilizer to circulate through the carburetor. This prevents condensation in critical parts like the oil system and carburetor.
After completing these steps, remove the air filter and start the engine. While it’s running, spray a small amount of oil into the carburetor throat for about 5 seconds (longer for larger engines). Then turn off the engine, remove the spark plug, and spray a little oil into the cylinder one or two times. Before putting the spark plug back, manually turn the engine over a couple of times to ensure proper lubrication of the piston, rings, and cylinder walls.
Next, disconnect the negative battery terminal and remove the battery. Clean the terminals with a battery cleaner and apply a protective coating. Store the battery in a cool, dry place to maintain its charge.
Before long-term storage, thoroughly clean the engine to remove any grass clippings or debris. Disconnect the ignition high-voltage wire and rinse away any remaining rags with water. Use small tools like sticks to clear any obstructions around the blade, and avoid using your hands or feet to prevent injury.
**Springtime Preparation**
After months of rest, your lawn mower is ready to go again. But before starting it up, take a few important steps to ensure a smooth restart. First, fill the crankcase with high-quality engine oil — such as SE, SF, SC, or a reliable brand like Bradley SAE30W. Second, use fresh, clean gasoline, as old fuel can degrade after 30 days and cause starting issues. Avoid mixing old and new gas. Lastly, install a new spark plug. Once the engine starts, the atomized oil will burn off, so a new spark plug is essential for reliable performance.