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Thread: Spark plug help

  1. #11
    Join Date
    Jul 2007
    Location
    Flowery Branch Georgia
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    2,458

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    That engine only has 800 hours its not even close to worn out. What problems are you having with it?

  2. #12

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    Quote Originally Posted by michael hunter View Post
    That engine only has 800 hours its not even close to worn out. What problems are you having with it?
    No real problems. Just runs a little warm (around 180-200 ) but i know I have the wrong thermostat (180*) degree need to change out for a 160*. I just pulled plugs to inspect overall health of motor. I'll repull the plugs off after running for a couple hrs to verify. Just trying to learn the motor and parts.

    Sent from my SM-N975U using Tapatalk

  3. #13
    Join Date
    Jul 2007
    Location
    Flowery Branch Georgia
    Posts
    2,458

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    Go with AC spark plugs don't get fancy with some smoke and mirrors brand . Never use Champion in a GM.

  4. #14
    Join Date
    Aug 2009
    Location
    London, Ontario, Canada
    Posts
    1,179

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    It would be nice to know how long these plugs have been in the motor. Are they the original? I think I will replace my 11 year old plugs this spring. The engine still runs strong, like the day I bought it. No misfires, starts right up , I will post pictures of my 11 year old plugs in a week or 2. Yours look like the boat has not been looked after or 20 years old.
    2009 21v Worlds 340 Cat
    run your engine after you change the oil
    Doug

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