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Repair Center  Quick Fix: How to Replace the Spark Plug in a Small Engine

Why Read This Article?

  • Learn to replace the spark plug in a small engine

Article Breakdown

Repair Information:

Duration: 5 minutes
Frequency: As needed Replacing the spark plug:
1. Remove spark boot.
2. Remove spark plug.
3. Gap new spark plug.
4. Install spark plug.


Tools & Materials

  • Flat-head screwdriver
  • Scrench or socket and wrench

Quick Fix: How to Replace the Spark Plug in a Small Engine

This article will help you replace the spark plug on a small engine which will help get your gas powered equipment up and running again.
Spark plug replacement is a necessary part of engine maintenance. This repair can be performed in a matter of minutes and will only require just a flat-head screwdriver and a scrench.

Be sure you have the right spark plug for your tool by entering the tool's model number in the parts finder field and accessing the parts breakdown where the right spark plug will be shown.

  Replacing the spark plug

1. Remove spark boot

Begin by removing the spark boot with a flat-head screwdriver or a spark boot remover, if necessary.

2. Remove spark plug

Using a scrench, unscrew and remove the spark plug from the engine.

3. Gap new spark plug

Before installing the new spark plug, properly gap the plug using a gapping tool. Determine the right gap for your spark plug and tap down on to the plug with the end of the tool until it the gap is correctly adjusted. Use the ruler along the tool as needed. Your spark plug is then ready to be installed.

4. Install spark plug

Install new spark plug in to the engine and tighten with the scrench. Then replace the spark boot.

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Replacing a spark plug will not only promote fuel efficiency but also keep power to operate your tool. Needless to say, it is also a DIY task you can put under your belt in under 5 minutes.
  Remember to use the parts finder to get the parts you need on similar tools and projects.
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