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How to Replace the Spark Plugs on a Harley Davidson Sportster?

Model: Harley Davidson Sportster
Part: Spark plugs

Video tutorial

The spark plugs on the Harley Davidson Sportster are located on the left side of the bike, directly beneath the fuel tank. You do not need to remove any parts to access them; simply disconnect them from their respective connector.

Once the connector is detached, extract the spark plugs from their housing. You may need a socket spanner to do this.

Once the old spark plugs have been removed, you can replace them with new replacement parts. After inserting them, connect them back to their respective connectors.


Updated on 22 April 2026 by ScegliAuto


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by ScegliAuto

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