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How to replace the spark plugs on a Harley Davidson Road Glide.

Model: Harley Davidson Road Glide
Part: Spark plugs

Video tutorial

In this guide, we will see the instructions that will allow us to disassemble and replace the spark plugs on a Harley Davidson Road Glide motorcycle. First, let's put the motorcycle on the stand and begin by disassembling and removing the fuel tank by disconnecting the fuel lines and the electrical connector.

Next, we will remove the spark plug coils, using a socket wrench to unscrew and remove the spark plugs, as shown in the video. At this point, we will install the new spark plugs, ensuring they are the correct type and have the same thread pitch; we will hand-tighten them and then gently tighten with a wrench before finally reassembling the fuel tank.


Posted on 29 December 2025 by ScegliAuto


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Watch the video!


by ScegliAuto

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