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#3 not firing - 1st cold start after sitting a couple months

Discussion in 'XJ Technical Chat' started by Ted, Feb 20, 2014.

  1. Ted

    Ted Member

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    It finally warmed up enough (about 40F) to start the bike this week but "Houston.. we have a problem!". :lol:

    Seemed like it was only firing on #2 and #4 cyclinders at first, picked up #1 after awhile but #3 never got going. All plugs are black and sooty (which I think is to be expected when it's only been started and idled with the choke on until it warms up a few times since winter set in).

    Last time I started and let her run for awhile was Xmas eve. I didn't put any Sta-bil in but I only use Premium fuel with no ethanol blend.

    All standard maintenance up-to-date and she purred like a kitten in the fall before the weather turned to shit.

    Any suggestions on where to start? I'm thinking new plugs & might have to pull the carbs..
     
    Ted, Feb 20, 2014
    #1
  2. FtUp

    FtUp Well-Known Member

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    Re: #3 not firing - 1st cold start after sitting a couple mo

    check your float levels.

    CN
     
    FtUp, Feb 20, 2014
    #2
  3. Ted

    Ted Member

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    Re: #3 not firing - 1st cold start after sitting a couple mo

    Thanks CN - but I had float levels spot on when I rebuilt the carbs in summer 2012 so I can't imagine it would be out of whack.. I suppose I could double check them if I end up pulling the carbs anyway.

    I was thinking maybe that float could be stuck on #3 though.?
     
    Ted, Feb 20, 2014
    #3
  4. FtUp

    FtUp Well-Known Member

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    Re: #3 not firing - 1st cold start after sitting a couple mo

    2012 was 2 years ago. a lot can happen in that time. you can easily check the float levels without removing them from the bike. you might also try first draining the float bowls into a clear glass jar to see what's floating around in there. it would give you more insight into what's going on.

    CN
     
    FtUp, Feb 20, 2014
    #4
  5. quebecois59

    quebecois59 Well-Known Member

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    It may be sticky float valves, did you try to tap the float bowls with a screwdriver handle? SOmetimes, it gives them enough of a shake to free them and get them to work properly.
     
    quebecois59, Feb 20, 2014
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  6. Ted

    Ted Member

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    I like where your head's at sir - why the hell didn't I think of that!?
     
    Ted, Feb 20, 2014
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  7. quebecois59

    quebecois59 Well-Known Member

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    Well, it may not solve your problem, but it is a very simple thing to try first, it doesn't involve any dissasembly.
     
    quebecois59, Feb 20, 2014
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  8. Polock

    Polock Well-Known Member

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    i don't fire on all cylinders until the second cup of coffee either !
     
    Polock, Feb 20, 2014
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  9. Rice_Burnarr

    Rice_Burnarr Member

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    Haha! What he said!!
     
    Rice_Burnarr, Feb 20, 2014
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