When it comes to engine maintenance, whether it's on your ATV, Jeep or lawn-mower, knowing how to change a spark plug is key to keeping things running well.
Getting proper spark to your engine is one of the three main ingredients you need to make an internal combustion engine run, the others being fuel (gas/air mixture) and compression.
Here's a step-by-step guide to show you how to change a spark plug.
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