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81 maxim idle?

Discussion in 'XJ Technical Chat' started by LittleR640, Mar 11, 2008.

  1. LittleR640

    LittleR640 New Member

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    My 81 maxim 550 starts up fine and runs great until i take the choke off. When i take the choke off the idle drops real low and it sounds like the engine is struggling to run until it dies. I think that my idle is set too low. Just wondering if anyone knows what the idle should be set at, if that is the problem.
     
    LittleR640, Mar 11, 2008
    #1
  2. BlueMaxim

    BlueMaxim Active Member

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    1050 RPM. Try to turn it up and see if that is all it needs. Should it develope a hanging idle which means it idles high and comes back down slowly then the idle is too high and a carb cleaning is needed.
     
    BlueMaxim, Mar 11, 2008
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  3. MiCarl

    MiCarl Active Member

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    Idle spec on the 550s is 1200rpm.
     
    MiCarl, Mar 11, 2008
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  4. blackjack550

    blackjack550 Member

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    i set mine at 1300 but i have a question for u does your bike idle low when warming up with the choke on but when you hit the gas it jumps up to whereits supposed to?
     
    blackjack550, Mar 12, 2008
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  5. LittleR640

    LittleR640 New Member

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    no it idles fine when i have the choke on it. once i turn it off it idles at about 600-700 rpm and just seems like its having trouble to keep running. also the lights pulse with the engine when it idles. Ill work on it and post an update. Thanks guys for all your help.
     
    LittleR640, Mar 12, 2008
    #5
  6. chacal

    chacal Moderator Moderator Supporting Vendor Premium Member

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    Little...your idle speed should be around 1100 rpm. You can adjust the idle speed via the large screw with the big thumbscrew head that exits between the two center carbs, facing the rear of the bike.
     
    chacal, Mar 12, 2008
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  7. LittleR640

    LittleR640 New Member

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    well, that seemed to fix all my problems. thanks again for you guys' help.
     
    LittleR640, Mar 14, 2008
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