Introduction
Old gas can cause problems with your lawn mower, including difficulty starting and running. To ensure your lawn mower runs properly, you need to know how to start a lawn mower with old gas. This article will provide a step-by-step guide on how to do just that, including why each step is important.
Step One: Drain and Replace the Gas Tank
The first step in starting a lawn mower with old gas is to drain and replace the gas tank. Old gas becomes stale over time and can clog the carburetor, leading to difficulty starting and running. By draining and replacing the gas tank with fresh fuel, you can help prevent these issues.
To empty the old gas tank, turn off the fuel valve and disconnect the fuel line from the carburetor. Place the fuel line in an appropriate container and turn the valve back on to allow the old gas to flow out of the tank. Once all of the old gas has been drained, reconnect the fuel line and fill the tank with fresh fuel.
Step Two: Change the Spark Plug
The next step in starting a lawn mower with old gas is to inspect and change the spark plug. The spark plug helps ignite the fuel and can become fouled if the fuel is too old. If the spark plug is fouled, the lawn mower won’t start.
To inspect the spark plug, remove the spark plug wire from the spark plug and use a spark plug tester to check for spark. If there is no spark, the spark plug needs to be replaced. To replace the spark plug, unscrew the old spark plug from the engine and install the new one. Reattach the spark plug wire and tighten the connection.
Step Three: Check the Oil Level
The third step in starting a lawn mower with old gas is to check the oil level. When the oil level is low, the engine won’t get the lubrication it needs to run properly. This can lead to engine damage and poor performance.
To check the oil level, locate the dipstick and remove it from the engine. Wipe the dipstick clean and reinsert it into the engine. Remove the dipstick again and check the oil level. If the oil level is low, add more oil until it reaches the recommended level.
Step Four: Clean the Air Filter
The fourth step in starting a lawn mower with old gas is to clean or replace the air filter. The air filter helps keep dirt and debris from entering the engine and can become clogged over time. If the air filter is clogged, the engine won’t get the air it needs to run properly.
To clean the air filter, locate the air filter and remove it from the engine. Use a vacuum cleaner to remove any dirt and debris from the filter. If the filter is damaged or torn, replace it with a new one. Once the filter is clean or replaced, reinstall it into the engine.
Step Five: Prime the Engine
The fifth step in starting a lawn mower with old gas is to prime the engine. Priming the engine ensures that the fuel is reaching the carburetor before attempting to start the engine. Without priming, the engine won’t start.
To prime the engine, locate the primer bulb and pump it several times until fuel starts to flow through the carburetor. Once fuel is flowing, the engine is ready to be started.
Step Six: Pull the Starter Cord
The final step in starting a lawn mower with old gas is to pull the starter cord. Pulling the starter cord engages the engine and should cause it to start. If the engine doesn’t start after several pulls, check the spark plug, fuel, and oil levels to ensure everything is in working order.
Conclusion
Starting a lawn mower with old gas can be a challenge, but it’s not impossible. Following the steps outlined above can help ensure your lawn mower starts quickly and runs properly. It’s important to remember to drain and replace the gas tank, change the spark plug, check the oil level, clean the air filter, prime the engine, and pull the starter cord when starting a lawn mower with old gas.
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