A/F screw
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Thread: A/F screw

  1. #1
    Senior Member mightywarrior72's Avatar
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    Default A/F screw

    Sorry for the novice question. Where is the A/F screw on my 05 13R?? Running a bit rich.

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  3. #2
    Senior Member Pork Rind's Avatar
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    Quote Originally Posted by mightywarrior72 View Post
    Sorry for the novice question. Where is the A/F screw on my 05 13R?? Running a bit rich.

    If it is the same as 07 which I'm pretty sure it is under the airbox, search the tech forms, you have to remove the gas tank. Unless someone beats me to it I try and post a pic.
    2007 1300 R Black Cherry--1800 FD,Big Bike Driving lights,Memphis Shades Big Shot,NC Paladin Engine Guard,Honda Back Rest + Luggage Rack,Willie & Max Saddlebags,Roadhouse Slip ons,Mustang Seat & Desmoged


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    Senior Member Gumbo820's Avatar
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    under the carb, if you lay down look up you will see it, very hard to get to but it can be done. I installed Glens tool it works very well. Do you have a tool to adjust with?
    2007 VTX 1300 R

    "I prefer dangerous liberty to peaceful servitude."
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    Senior Member dearsleigher's Avatar
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    Quote Originally Posted by mightywarrior72 View Post
    Sorry for the novice question. Where is the A/F screw on my 05 13R?? Running a bit rich.
    Some info and pics in the link below.
    http://www.vtxcafe.com/showthread.php?t=15732


    Glens VTX Garage Blinker Bar (driving lights not included)


  6. #5
    Senior Member Gumbo820's Avatar
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    Quote Originally Posted by Gumbo820 View Post
    under the carb, if you lay down look up you will see it, very hard to get to but it can be done. I installed Glens tool it works very well. Do you have a tool to adjust with?
    2007 VTX 1300 R

    "I prefer dangerous liberty to peaceful servitude."
    - Thomas Jefferson

  7. #6
    Senior Member Pfalzy's Avatar
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    I recommend Glen's permanent mount adjustment tool. That way you only have to take everything apart once.

  8. #7
    Senior Member Donut's Avatar
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    Quote Originally Posted by Pfalzy View Post
    I recommend Glen's permanent mount adjustment tool. That way you only have to take everything apart once.
    +1 It is really hard to adjust it the way Honda has it set up. Glen's A/F makes it simple to adjust.

    Why do you think you are running rich. If you are using the choke/enriches then your plugs will look like you are running rich. But you are most likely running lean on the A/F, it should be set at 2.5 turns. The factory sets the A/F lean to pass EPA so you have to use the Choke/Enhancer which dumps lots of fuel in to foul the plugs. With the A/F set at 2.5 you will only have to twist the throttle a couple of times and rarely have to use the choke and it will worm up quickly.

    Doud
    Donut Doug

  9. #8
    Senior Member JOSHWALEE's Avatar
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    Ah... 2.5.

    Word of advice MightyWarrior... 2.5 is not a magic number.

    Set it properly. It may end up around 2.5 or it may not, but knowing is better than guessing.

    entia non sunt multiplicanda praeter necessitatem
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