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  1. #1
    isa alnoaimi's Avatar
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    miss-firing what to check ?

    hi everyone

    im facing a problem with my ski
    when i drive my ski at full throttle and then suddenly let go off the throttle it back fires on me
    and sometimes it wont start ( i dont have any problem with my battary )
    also today i checked the spark plugs and they were perfect , i just finished two hours using them

    could be a bad coil ? and if it is a bad coil how do i check them ?


  2. #2
    Leendert's Avatar
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    what was the gap on your previous plugs and what is your gap now?

  3. #3
    isa alnoaimi's Avatar
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    my previous plugs lasted only 30 hours cause water got into them

    my spark plugs now are new , i only used them for 2 hours now , and i checked them today and they were perfect

    my ski when i let go off the throttle at full speed its backfiring on me , then its struggling to operate normal , its like miss firing

  4. #4
    isa alnoaimi's Avatar
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    also when it was struggling to idel normally , a big black smock comes out !!!

  5. #5
    Leendert's Avatar
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    check compression

  6. #6
    isa alnoaimi's Avatar
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    compression is checked its perfect

  7. #7
    bscpaint's Avatar
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    It sounds like its getting too much fuel and flooding out after you let off the throttle what are tour afrs? Maybe try leaning out the top a little bit

  8. #8
    bscpaint's Avatar
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    Actually now that I think about it more check the injectors one might be getting stuck open

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  10. #9
    isa alnoaimi's Avatar
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    its not from the injectors

  11. #10
    isa alnoaimi's Avatar
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    update :

    i changed my injectors , and the problem didnt go away

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