CMS-Japanese Motorcycle Supply Parts

Honda CX500: Which spark plugs to use with non-resistor caps?


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If you have removed the resistors in the spark plug caps or bought new ones without resistors, you will need to change the plugs you are using to a model with a resistor inside the spark plug itself. We have found the NGK DR8ES-L plugs to work well:

ngk-dr8-esl-spark-plug-honda-cx500

They're inexpensive and readily available online - you can find them on eBay inexpensively. The product page is here. We didn't have much luck sourcing them from the local chains like Supercheap Auto or Repco.

ngk-dr8-esl-spark-plug-honda-cx500-4

Some quick specs:

You can buy them from Amazon:


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