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How to Replace the Spark Plugs on a Harley Davidson Iron 883

Model: Harley Davidson Iron
Part: Spark plugs

Video tutorial

Today's guide shows you the steps to remove and replace the engine spark plugs on a Harley Davidson Iron 883 motorcycle. First, place the bike on a stand and disconnect the lead or connector from the spark plug (in this case, there are two cylinders and therefore two spark plugs); then use a socket spanner with an extension to unscrew and remove the spark plug, as shown in the video.

At this point, hand-tighten the new spark plug, ensuring it is the correct type and has the same thread pitch, then tighten it with a spanner to the torque specified in the instruction manual!


Updated on 21 July 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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