Using E3 Spark plugs in your Harley

[glasspilot]

I do use NGK plugs. About the same price as the dealer charges for HD plugs.

 

[Terry Jackson]

The best combustion ignition will come from a single electrode, unshrouded, in the center of the combustion chamber. Multiple points on a plug only shroud the spark more.
PT Barnum was right.

 

[Scrounger]

I stick with stock or the same in a NGK and have never had issues. They seem a bit gimmicky to me.

 

[dbmg]

I stick with stock or the same in a NGK and have never had issues. They seem a bit gimmicky to me.

Good choice............:s

 

[gator508]

In the past I have tried "exotic" plugs in my autos and found no difference, as others have advised, save your money for other bike stuff.

 

[Jean-Pierre]

I use 6R12 and change them every 15 K ( as mentioned on the maintenance manual), some use GKN platinium and it seem the idle ans performance are better.

 

[Taildraggerdave]

6R12's here as well. Although I will probably change them more frequently than I have in the past. A couple dollars for each plug.

Take care,
Dave

 

[BikeSAG]

Every winter hibernation (which is short here in Mustang Oklahoma) I change all three holes and the spark plugs, staying with the HD plugs, never a problem even 44,000 miles later. Wife and I rode to Kansas last weekend, averaged 39MPG (two up at 75MPH) and rode 176 miles before filling up, and still had .8 of a gallon left in the tank.

HD plugs seem to ok with me!