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:


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.


Some quick specs:

You can buy them from Amazon:

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