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  1. #1
    Joe Go's Avatar
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    E3 spark plugs. Premium Power Sport Plug; alternatives for Pwc

    Has anyone on this forum tried E3 (with diamond head technology) premium sport plugs for their Pwc? I bought some last year for my Honda 04 R12 Aquatrax and they worked great for half the cost. I found them at Pep boys last year on line for like 23$ Honda jet skis use the 3.38 E3 plug size. Which is the alternative for the 6455 NGK iridium lMR9D-9H plugs. I bought a set of 4 for like almost 16$ this year on line at Pep Boys...... Seadoo older use the 3.31 and newer 3.36 size. Let me know if you have or even heard of these plugs. Supposed to get better performance and gas mileage or hours I should say. Much appreciated if i could get some feed back.

  2. #2
    Sea-Donkey's Avatar
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    Considering the NGK's last many seasons and I've only had one foul with 3 Honda's, I've never tried anything else.


  3. #3
    Joe Go's Avatar
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    Wow you use those NGKS multiple seasons even though its recommended to change every year. Should of kept original NGKs in there from the guy i bought it from. I wanted to take precautions so I wouldn't mess it up. Because the motor still looks brand new. Thanks for the tip don't know that. I only use it like 4 times a year. Joe go

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