HD Spark Plugs Service and Replacement

Duration: 1:16

Fuel and Spark are very important for your Harley-Davidson to run. Here’s a quick look at HD spark plugs.

Next Video: Harley Fork Oil Change Softail / Dyna

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Removing and Replacing Harley Fork Oil Dyna

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One Response to “HD Spark Plugs Service and Replacement”
  1. Jose Luna
    Jose Luna

    2003 Harley dyna lowrider 88 inch 100th anniversary , spark plugs keep fouling out after 15 minutes of running , i have tighten intake ,exhaust ,adjust carb a hair . carberator works great no problems just fouls plugs out black and fast