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E3 Powersport Spark Plug E3.34 Diamond Fire 1 New ATV

Compatible Vehicles
Submodel Year Make Model
YT125 1985 Yamaha Tri Moto 125
YT125 1984 Yamaha Tri Moto 125
YT125 1983 Yamaha Tri Moto 125
YT125 1982 Yamaha Tri Moto 125
YT125 1981 Yamaha Tri Moto 125
YT125 1980 Yamaha Tri Moto 125
YT175 1983 Yamaha Tri Moto 175
YT175 1982 Yamaha Tri Moto 175
1 New E3 Powersport Spark Plug E3.34 Diamond Fire

E3.34 is a 14mm, 0.750” reach plug with a gasket seat. It is used in a variety of power sports applications, especially older Harley Davidson motorcycles. The patented DiamondFIRE ground electrode is secured to the shell with two legs to help facilitate heat transfer, and to withstand the intense vibration of powersport engine applications. The unique DiamondFIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use. The E3 ground electrode and a full-size center electrode also provides optimal performance over an extended product life.



Part Number: E3.34
Resistor: Resistor
Hex Size: 13/16"
Thread Reach: 0.750"
Thread Diameter: 14mm
Seat: Gasket
Tip/Gap: DiamondFIRE Fixed Gap Cannot Be Adjusted

Reviewed by Filandro
10/12/2017 - 02:29:42 PM
Fanatic Trials Bike
I had some jetting issues on my Fanatic Trials 250 2 stroke air cooled motorcycle, I had to set the idle at higher rpm than usual.
Yesterday I simply fitted an E3 3.34 plug, under the suggestion of a great tuner( Mr. Jo Dallera) and the bike started running smoother, better throttle response at low rpm and easier start.
Thank you E3 spark plugs!
Filandro Di Paolo