What Happened When This Harley-Davidson Low Rider ST Hit the Dyno Again?

Dan from @ChampionCycle called us back and wanted to get the Harley Davidson El Diablo Low Rider ST back on the Dyno! See what happened when it got tuned for the second time and why it was called back in. Dan is a no BS stand-up guy who speaks the truth about dyno tuning and has years and years of motorcycle knowledge.