Step 7: Replace the spark plug

Replace the mower's spark plug witha socket wrench
Photo: Kenneth Chen
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Remove and replace the spark plug, using a socket wrench with a spark-plug socket, which has a neoprene lining to protect the plug's porcelain casing. Even if the old spark plug is in good shape, for a couple of dollars a new one will perform better and ensure a smooth start come spring.
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    Tools List

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    • gloves
      Gloves
    • socket wrench
      Socket wrench
    • putty knife
      Putty knife
    • Wire brush
    • Nut screwdriver
      Nut screwdriver

    Shopping List

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    1. Fuel stabilizer

    2. SAE-30 oil

    3. Pan
    for emptying old fluids

    4. Tarp
    to ensure quick clean-up after emptying old fluids

    5. Filter
    new paper or sponge filter to replace the old one

    6. Spark plug
    to replace old one, and guarantee a smooth start come next spring