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I do not feel the same heat in #3 as the rest of cylinders!!

Discussion in 'XJ Technical Chat' started by FABFABINC, Oct 18, 2009.

  1. FABFABINC

    FABFABINC Member

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    Hey guy's my number 3 cylinder does not get as hot as the other cylinders . It gets just as hot when I come back from a longer ride any ideas guys.

    Fab
     
    FABFABINC, Oct 18, 2009
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  2. apato632

    apato632 Member

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    I'm no wizard...

    ... but you're probably not firing on that cylinder. Does the bike have lots of power? Check to see if the third cylinder is getting spark. If it is perhaps you have a compression problem.
     
    apato632, Oct 18, 2009
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  3. FABFABINC

    FABFABINC Member

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    Well spark seems to be good and I can hit 170 kph +- 100mph and this with 2 people. I did put a splicer on that spark plug wire since and does seem to be warming up more but not as much as the other ones.
     
    FABFABINC, Oct 18, 2009
    #3
  4. NursePadawan

    NursePadawan Member

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    Re: I do not feel the same heat in #3 as the rest of cylinde

    Going by the information from the gurus on other threads, is it possible you're running rich on #3 (which would run colder), but at higher RPMs, you're running leaner (thus making it hotter)?
     
    NursePadawan, Oct 18, 2009
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  5. FABFABINC

    FABFABINC Member

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    Compression test was done this summer while having carbs redone and all 4 cylinders were good
     
    FABFABINC, Oct 18, 2009
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  6. FABFABINC

    FABFABINC Member

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    Thanks guys!!! And Nurse maybe thats why I hit a plateau at 180 kph I cant seem to get it over that speed and again 2 people on the bike.
     
    FABFABINC, Oct 18, 2009
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  7. PipeDreams

    PipeDreams Member

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    Pull the plugs, tell us how they look. If you want, take a picture with all 4 plugs marked by cylinder number and we should be able to help with tuning issues.
     
    PipeDreams, Oct 19, 2009
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  8. FABFABINC

    FABFABINC Member

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    Thanks Dream will do so tonight
     
    FABFABINC, Oct 19, 2009
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