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  1. #1

    What do you think of these plugs?

    I have just put ski into the water done about 5 min of running around off and on throttle.
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  2. #2
    Superman! fivespeedsteed's Avatar
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    dont know much about plug reading but they look to be pretty equal and thats a good thing. wait for someone whos good at it to chime in though

  3. #3
    20 feet Boy's Avatar
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    The one in the middle looks the best. It also looks new. The two others look older then 5 minute's. The one on the left looks like the ones in my ski.It looks like the black one is lightly rich, might be from idling. Cant ready tell.
    Quote Originally Posted by 66V View Post
    I have just put ski into the water done about 5 min of running around off and on throttle.

  4. #4
    Altezza01's Avatar
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    Quote Originally Posted by 20 feet Boy View Post
    The one in the middle looks the best.
    +1. you want the center of the spark plug a tan color.

  5. #5
    JKR1300's Avatar
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    Those plugs look like they've been run for more than 10 minutes. A good indicator is the side electrode - it should be dark brown to the middle of the radius. Take a picture from the opposite side

  6. #6
    nar about 10min as this was the first time the motor has being running right the middle one i was thinking it was to lean but the one on the right was from the cyclinder that keeped lean out so it now looks ok.

  7. #7
    20 feet Boy's Avatar
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    The spark plug in the middle look too new in the photo I do not want to be response able for telling you something wrong. Make them dark tan to Little black and should be safe. If they are Grey or white you are in trouble. Sorry for the mis direction

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