My 2006 Dyna Wide Glide sputters & pops through the air intake at idle & has stalled the motor. I've replaced the idle air controller & fuel pump. I checked diagnostic codes, "T" code said no RSP.
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try cleaning the Air Idle Control valve...take your air filter etc off and look into the throttle body...in the 12 o clock position before the butterfly plate there is a hole where the aic lives...you can usually see and hear it move when powering the bike up.You'll need to use a torch to inspect it give it a good clean with injection or carb cleaning spray and make sure it moves freely
Hi, Anonymous you need to make sure you have no intake leaks by spraying some Brake Kleen, Contact Cleaner, Starting Fluid, etc. around the intake manifold and seals, if the RPM's go up or down significantly then you have a leak that needs to be fixed before you can continue with the carburetor adjustment.
The engine should be at operating temperature with the choke off to set the idle between 950-1050 rpm. Turn the idle skrew clockwise to increase the idle speed and counterclockwise to decrease the idle speed. If you have access to your air-fuel mixture skrew you may turn it in as well, if not there is a video below on how to gain access, make sure you start with clean or new spark plugs. Gently turn the air-fuel mixture skrew clockwise until it starts to bottom out "STOP" do not over tighten as it will damage the taper on the end, now back the skrew out 1-1/2 full turns to establish a starting point start the engine and check the idle rpm's and turn the idle skrew accordingly for 950-1050 rpm if necessary, turn the air-fuel mixture skrew 1/4 turn at a time and let the engine settle for about 10 seconds, turn the skrew clockwise for a leaner mixture and counterclockwise for a richer mixture, you are seeking the highest rpm your air-fuel mixture skrew can acquire without going past 3 full turns from the bottom then resetting the idle skrew back down to 950-1050 rpm If you can not detect any rpm change and can not stall the engine by turning the air-fuel mixture skrew all the way in then your pilot/low-speed jet is too big and needs to be replaced with the next size smaller. The final adjustment should be made with a clean air filter mounted to the carburetor.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below and for more specific information or questions at no charge please feel free to contact me at [email protected]. Good luck and have a wonderful day. https://www.hdforums.com/forum/dyna-glide-models/603467-idle-adjustment.html http://www.mediafire.com/file/65e9i0e80baqvhz/Harley-Davidson_Dyna_Service_Manual_2003.pdf/file https://partsfinder.onlinemicrofiche.com/ronnies/showmodel.asp?make=hdmc http://mybikemanuals.com/harley-davidson/harley-davidson-dyna-glide-owners-manuals/ https://www.6ya.com/ to speak to me personally
Hi, Sam if your carburetor or exhaust is:
COUGHING is usually caused by an air leak in the intake system and will generally have the same telltale signs, a wet or damp build-up of oil/gas seepage at the intake manifold to the cylinder head or carburetor to intake manifold connection and in rare instances a worn throttle plate shaft and or seals.
POPPING on deceleration is usually caused by a lean fuel condition or an air leak in the exhaust system and is generally located where black carbon soot is seen as a flashing build-up from any joint connection. This condition can easily be remedied by removing and cleaning both joint pieces and reassembling with high temp silicone and torquing the exhaust clamp to the proper spec.
SPITTING is usually caused by a faulty accelerator pump and or nozzle, or the float bowl needle and seat leaking and overflowing through the main jet mixing well nozzle, or the air-fuel mixture screw is adjusted too lean.
BACKFIRING is usually caused by a sticky/tight intake valve or a timing issue, 180 degrees out or cam chain off 1or 2 teeth.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below and for more specific information or questions at no charge please feel free to contact me at [email protected]. Good luck and have a wonderful day. https://www.hdforums.com/forum/dyna-glide-models/160674-popping-and-sputtering-while-idling.html http://www.mediafire.com/file/n32mo9rud2vadf4/2002_Harley_Dyna_Service_Manual.pdf/file https://partsfinder.onlinemicrofiche.com/ronnies/showmodel.asp?make=hdmc http://mybikemanuals.com/harley-davidson/harley-davidson-dyna-glide-owners-manuals/ https://www.6ya.com/ to speak to me personally
Hi, Anonymous you need to make sure you have no intake leaks by spraying some Brake Kleen, Contact Cleaner, Starting Fluid, etc. around the intake manifold and seals, if the RPM's go up or down significantly then you have a leak that needs to be fixed before you can continue with the carburetor adjustment.
The engine should be at operating temperature with the choke off to set the idle between 950-1050 rpm. Turn the idle skrew clockwise to increase the idle speed and counterclockwise to decrease the idle speed. If you have access to your air-fuel mixture skrew you may turn it in as well, if not there is a video below on how to gain access, make sure you start with clean or new spark plugs. Gently turn the air-fuel mixture skrew clockwise until it starts to bottom out "STOP" do not over tighten as it will damage the taper on the end, now back the skrew out 1-1/2 full turns to establish a starting point start the engine and check the idle rpm's and turn the idle skrew accordingly for 950-1050 rpm if necessary, turn the air-fuel mixture skrew 1/4 turn at a time and let the engine settle for about 10 seconds, turn the skrew clockwise for a leaner mixture and counterclockwise for a richer mixture, you are seeking the highest rpm your air-fuel mixture skrew can acquire without going past 3 full turns from the bottom then resetting the idle skrew back down to 950-1050 rpm If you can not detect any rpm change and can not stall the engine by turning the air-fuel mixture skrew all the way in then your pilot/low-speed jet is too big and needs to be replaced with the next size smaller. The final adjustment should be made with a clean air filter mounted to the carburetor.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below and for more specific information or questions at no charge please feel free to contact me at [email protected]. Good luck and have a wonderful day. https://www.hdforums.com/forum/dyna-glide-models/1147766-dyna-dying-at-idle.html http://www.mediafire.com/file/65e9i0e80baqvhz/Harley-Davidson_Dyna_Service_Manual_2003.pdf/file https://partsfinder.onlinemicrofiche.com/ronnies/showmodel.asp?make=hdmc http://mybikemanuals.com/harley-davidson/harley-davidson-dyna-glide-owners-manuals/ https://www.6ya.com/how-6ya-works to speak to me personally.
This is a possability but it does not happen as often as most would like to say. A quick check would be to run the engine to operating temp the take WD40 lube spray and spray it directly at the seals on the heads. If it is an intake leak your motor will change its idle. It will either speed up or miss. This is an indication of an intake leak.
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