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How to Properly Gap a Spark Plug

Who knew such a small thing like gap in the spark plug can make a huge difference

Spark plugs play a crucial role in the ignition process of all PowerSports internal combustion engine. They create a spark that ignites the air-fuel mixture, ultimately powering the engine. However, for the spark plug to work efficiently, it is important to ensure that the spark plug gap is properly set. In this article, we will discuss the steps to properly gap a spark plug.

Step 1: Gather the Necessary Tools

Before you begin, make sure you have the following tools:

  • Spark plug gap tool
  • Flathead screwdriver (if required)

Step 2: Check the Manufacturer's Specifications

Every spark plug has a specific gap size recommended by the manufacturer. This information can usually be found in the vehicle's owner's manual or by searching the spark plug manufacturer's website. It is crucial to use the correct gap size to ensure optimal performance and prevent engine issues.

Step 3: Inspect the Spark Plug

Before attempting to gap the spark plug, inspect it for any signs of damage or wear. If the spark plug is damaged, it is best to replace it with a new one.

Step 4: Adjust the Gap

Using the spark plug gap tool, carefully adjust the gap by either widening or narrowing it. If the gap is too small, gently widen it by carefully prying the ground electrode away from the center electrode. If the gap is too large, gently tap the ground electrode on a hard surface to close the gap. Repeat this process until the desired gap size is achieved.

Step 5: Double-Check the Gap

After adjusting the gap, double-check the measurement using the spark plug gap tool. The gap size should match the manufacturer's specifications.

Step 6: Install the Spark Plug

Once the gap is properly set, carefully reinstall the spark plug into the engine cylinder. Make sure it is tightened to the recommended torque specification.

Its worth doing or you could be throwing money away with in efficiency 

Gapping a spark plug is a simple yet crucial step in maintaining your engine's performance. By following the steps outlined in this article, you can ensure that your spark plugs are properly gapped, leading to improved engine efficiency and performance.


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