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Hi, is it possible to adjust the idling on a 07 fatboy with fuel injection or does it have to go to a Harley dealer?Hi, is it possible to adjust the idling on a 07 fatboy with fuel injection or does it have to go to a Harley dealer?
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Look on the left side of bike behind the fairing about where your knee would be look for a little knob rember righty faster idle lefty less idle speed be kind rate us
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turn the mixture screw all the way in then back it out between 1 1/2 turns to 2 turns
that will get the engine to idle from there set the idle speed with the throttle screw to desired idle rpms
now turn the mixture screw in slowly until you see/hear a fall in rpms
now screw the screw out until again you hear /see a fall in rpms.
half of the number of turns back in from in to out will be the desired air /fuel mixture setting
adjust the idle with the throttle screw if it has altered
you can repeat the procedure again to fine tune the mixture after adjusting the throttle screw
You probably don't have an idle screw, most likely your idle speed it set by either by an adjustment where the throttle cable attaches to the carb or a device which controls multiple carbs. OR at the top of the carb(s) where the throttle cable goes in. Adjusting it "up" will open the throttle and up your idle, and if you have multiple carbs you must be ever so careful both are adjusted exactly the same amount right down to the 1/8 of a turn, if they're not sync'd you'll do all sorts of damage
I found this on another website on about adjusting the carb, not sure if this is the cause without knowing more information but give it a shot. should only take you about 10 minutes. "set the lever on the second highest step of the fast idle cam. measure the primary valve to throttle bore clearance, manual trans .031 inch automatic trans .035 inch, if its off, adjust it with the fast idle adjusting screw if you turn the screw clockwise the fast idle rpm increases,if you turn the screw counterclockwise the fast idle rpm decreases." You also may want to recheck the timing to make sure its exact.
turn the cable adjuster back to its original position ie between 600-700 rpm look to the left hand side of the carbs you will see a large adjusting screw on a metal bracket whilst engine is running turn inwards towards rear wheel until between 1000 - 1500 rpm remember to warm engine first as rpm will rise if idle is set with a cold engine as the engine warms up when riding
With my 98 model it is a small black screw in an opening on the left fairing just below the fuel tap. clockwise to increase the idle speed and anti-clock to lower it.
Hi, is it possible to adjust the idling on a 07 fatboy with fuel injection or does it have to go to a Harley dealer?
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