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2007 big dog bulldog fuel injected

Discussion in 'Technical Bulletins and Recalls' started by willywill4765, Aug 2, 2017.

  1. willywill4765

    willywill4765 Member

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    Hello all again big dog been running pretty well until this past weekend seem to be getting a hissing sound coming out by my air cleaner air filter. Thought it might be gas check the spark plugs everything seems to be good just seeing if anybody out there has got a clue seem to have lost a little power

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  2. Jersey Big Mike

    Jersey Big Mike Active Member
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    First question is has ANYTHING changed or been done? Maintenance included.
    I'd start with changing the sir filter and making sure it's seated properly.
     
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  3. SKOGDOG

    SKOGDOG One of the old ones.

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    Or maybe a vacuum hose
     
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  4. bdm7250

    bdm7250 Guru
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    :agree:
     
  5. woodbutcher

    woodbutcher Mr. Old Fart member #145
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    how about the little rubber caps?
     
  6. willywill4765

    willywill4765 Member

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    No maintenance or anything has been done lately but I will try changing the air filter

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  7. willywill4765

    willywill4765 Member

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    I will check my hoses also

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  8. willywill4765

    willywill4765 Member

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    Not sure what little rubber caps you're talking about can you tell me where they're at

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  9. woodbutcher

    woodbutcher Mr. Old Fart member #145
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    should have one just to the forward side of the throttle cables on the top of the carb. they tend to dry out with age and crack and eventually fall off allowing a vacuum leak. looks like the cap on a brake bleed fitting. it points upward.
     
  10. willywill4765

    willywill4765 Member

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    It's fuel injected not sure if I would still have the rubber caps somewhere else

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  11. woodbutcher

    woodbutcher Mr. Old Fart member #145
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    that i can't help you with, mine is carb. sorry. but take a flashlight and go on a safari, it'll teach you alot about your bike. good luck.
     
  12. pknowles

    pknowles Getting better by the day...---... GURU
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    upload_2017-8-3_13-26-33.png

    This is what you should have behind the air cleaner, See the brass fittings.
     
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  13. woodbutcher

    woodbutcher Mr. Old Fart member #145
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    so, in the blow-up, it appears there are 2 of them. one to the right of #22 and one between #25 and #16.
     
  14. willywill4765

    willywill4765 Member

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    Great picture the brass vacuum to the right of #22, my rubber seal is cracked that will probably be my problem I will run to the parts store to get another one thank you so much for all your help

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