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Thread: Spark Plug

  1. #1
    Senior Member TopPredator's Avatar
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    Spark Plug

    I was about to change my spark plug that I bought a s local Motorcycle shop. It's a NGK 7512 D8EA. I was looking on one of the other thread and it stated that we should use DR8EA. Does it matte which plug I use? I have a 2006
    Last edited by TopPredator; 10-10-2015 at 07:44 AM.

  2. #2
    Senior Member Turtle Chaser's Avatar
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    good morning, the D8EA would be a non resistor vs DR8EA. My '06 manual calls for DR8EA (#7162). While googling D8EA the number #2120 comes up not #7512. 7512 shows to be a D6EA.
    Not sure what you have there? I would try to get the correct plug.

    best regards, MAC
    TWilight likes this.
    GOD BLESS & RIDE SAFE, TC____________ BC rides: Honda SL100, Honda TL125, Penton125 ISDT, KTM400 ISDT

    now riding '06 TW w/ Jimbo Window, Acerbis bushbusters, ProTaper bars w/risers, Pro Grip 737's, Osram Rally headlamp w/modulator, turn signal beeper, Kenda k270 4.00 x 18,
    triple horns w/relay, big pegs, folding shifter, tuned carb w/drilled slide, 15/50 w/D.I.D. O-ring, RedLine 20w/50, Sterns w/extra padding, extra LED brake light, xt225 brake arm, rear Cycle Racks w/hacked milk crate. Hidden Content

  3. #3
    Senior Member jbfla's Avatar
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    As Turtlechaser says, DR8EA or D8EA.

    The R for resistor means the plug had an internal resistor to suppress electrical interference in electronic equipment.

    Resistor Spark Plugs - Technical Information - NGK Spark Plugs Australia

    jb
    TWilight likes this.
    2018 Triumph Street Twin..............2016 CB500F
    2014 XT250 ..................................2008 H-D Softail Deluxe
    2008 SV 650..................................2007 DR 650..

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  5. #4
    Senior Member Turtle Chaser's Avatar
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    good morning again, did some research @ NGK site. D8EA is listed for 1987 - 1999 TW. DR8EA is listed for newer models.
    They list D8EA as #2120.
    They list #7512 as D6EA (hotter heat range)

    good luck, MAC
    Last edited by Turtle Chaser; 10-10-2015 at 10:18 AM.
    TWilight likes this.
    GOD BLESS & RIDE SAFE, TC____________ BC rides: Honda SL100, Honda TL125, Penton125 ISDT, KTM400 ISDT

    now riding '06 TW w/ Jimbo Window, Acerbis bushbusters, ProTaper bars w/risers, Pro Grip 737's, Osram Rally headlamp w/modulator, turn signal beeper, Kenda k270 4.00 x 18,
    triple horns w/relay, big pegs, folding shifter, tuned carb w/drilled slide, 15/50 w/D.I.D. O-ring, RedLine 20w/50, Sterns w/extra padding, extra LED brake light, xt225 brake arm, rear Cycle Racks w/hacked milk crate. Hidden Content

  6. #5
    Senior Member jbfla's Avatar
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    Turtle Chaser likes this.
    2018 Triumph Street Twin..............2016 CB500F
    2014 XT250 ..................................2008 H-D Softail Deluxe
    2008 SV 650..................................2007 DR 650..

  7. #6
    Senior Member TopPredator's Avatar
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    Thanks guys. You think going to a local motorcycles shop they would get right and the owner sold me the plug. Go figure
    TWilight likes this.

  8. #7
    Senior Member TopPredator's Avatar
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    Quote Originally Posted by TWilight View Post
    Rick, when "I" go to the local motorcycle shop or any motorcycle shop, or auto parts store...I presume that they are going to give me the WRONG parts to begin with. So I come armed with all the knowledge needed to make sure I get the RIGHT part, and at a discounted price.

    NO ONE should know more about YOUR motorcycle, than YOU.

    Lecture over....how are the girls in Hawaii ?
    I agree that's why I checked the plug this morning before I considered installing it. I keep notes on stuff like this in my phone but since this is my new "lifestyle" I haven't looked everything up yet. I know you noticed the word "lifestyle". Lol
    TWilight likes this.

  9. #8
    Senior Member TopPredator's Avatar
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    Now this is a cool way to recycle your old spark plugs. I took this picture today in Gettysburg PA

    image.jpeg
    littletommy and Fred like this.

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