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Sparkplug Blow Bye

Discussion in 'XJ Technical Chat' started by anthrhelping, Jun 14, 2009.

  1. anthrhelping

    anthrhelping Member

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    I noticed after I washed my bike last time that I was getting bubbles coming out around all of my sparkplugs. Is this normal and if not. Could I have the wrong plugs? And I was think that a small amount of anti seize compound might fix the problem what do you think or is there other issues I need to check.

    Thanks in advance.

    P.S.
    The plugs are properly tightened.
     
    anthrhelping, Jun 14, 2009
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  2. anthrhelping

    anthrhelping Member

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    hit
     
    anthrhelping, Jun 14, 2009
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  3. dpawl31

    dpawl31 Member

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    Was the bike off?
    Was it hot when you washed it?
    Was it running when you saw bubbles?
     
    dpawl31, Jun 14, 2009
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  4. anthrhelping

    anthrhelping Member

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    It has done it hot and cold but I first seen it after hot wash. Bu I can take a spray bottle on a cold motor and spray the plugs with water and get same effect. I noticed it as I was cranking it over (before start up) once it fires up the water will evaporate quickly I do not notice leak will running but water is gone quickly. I did not know if head swells and seals that after it runs but I figured if it does it once it may be doing it all the time.

    Thanks
     
    anthrhelping, Jun 14, 2009
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  5. dpawl31

    dpawl31 Member

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    Do your plugs have the washers on them still? When was the last time you put new plugs in?
     
    dpawl31, Jun 14, 2009
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  6. anthrhelping

    anthrhelping Member

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    Yes they do the plug is a BP7e S (NGK) Plugs new last fall. 1,000 miles on them
     
    anthrhelping, Jun 14, 2009
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  7. bill

    bill Active Member

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    That's the right plug. Never seen anything like what your are seeing but I have not tried what you have done either....
     
    bill, Jun 14, 2009
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  8. anthrhelping

    anthrhelping Member

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    I notice every time I wash the bike that it is a pain in the *** do get it to fire. So I was looking around and it looked like my sons nose (With a bad cold) It took me by surprise. So I thought I would ask you guys.

    Thanks again.
     
    anthrhelping, Jun 14, 2009
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  9. mlew

    mlew Well-Known Member

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    Are the plugs tight enough? Maybe some trash stuck in the seaking washer? They should not leak like that hot or cold.
     
    mlew, Jun 14, 2009
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  10. anthrhelping

    anthrhelping Member

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    Could the plugs have bad washers. They seem to be tight. If anyone has torc specs I could double check that.
     
    anthrhelping, Jun 14, 2009
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  11. dpawl31

    dpawl31 Member

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    If the plug holes have crap in them, the plug might feel tight, but not be.
    Also, the washers can be bad, on backwards, or something around the edge of the plug holding them from seating properly.

    Torque specs shmecks. I can tell you even finger tight they shouldn't leak at all. Check the washers, and make sure they are not stuck on the threads.

    You can get a $7 plug hole thread chaser @ sears to clean the plug holes up.
     
    dpawl31, Jun 14, 2009
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  12. anthrhelping

    anthrhelping Member

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    OK I will check it out thanks again.
     
    anthrhelping, Jun 14, 2009
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  13. anthrhelping

    anthrhelping Member

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    Update

    I changed plugs still had same issue so I put anti seize compound on the threads and that fixed the problem. It also fixed problems that I did not know I had. It runs smother and has alot more power. No more issues on cold starts and it fires up quickly after a good bath. Thanks again guys. I thought I would update this because I can not be the only one with this un-reconized issue.
     
    anthrhelping, Jun 17, 2009
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  14. dpawl31

    dpawl31 Member

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    Yeah, with better compression, and no compression leaks, sure will run better :)

    Good to hear :)
     
    dpawl31, Jun 17, 2009
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  15. bigfitz52

    bigfitz52 Well-Known Member Premium Member

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    I've used anti-sieze compound for 40+ years so I guess I could never have seen it either...

    huh.
     
    bigfitz52, Jun 17, 2009
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