Debunking a myth about the spark plug socket on a 2018 Sportster.

The Right Spark Plug Socket for a 2018 Sportster

I'd seen people online say 11/16. I tried it. Entirely too big.

5/8 worked fine.

The Right Spark Plug Socket for a 2018 Sportster

Coming out: the OEM plugs that came on the Harley, never changed. Going in: E3 Diamond Fire plugs.

The Right Spark Plug Socket for a 2018 Sportster

Video: https://www.youtube.com/watch?v=VD9jsmdF1Aw