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99 dyna super glide was leaking gas after a ride took carb off soaked it blew out all openings and jets put it together idle fine put a load on it and it spudders and wants to die out so I then bought new jets o rings slide put it back together and same thing drained fuel tank and cleaned filter its driving me nuts my next step is buying an s&s carb but if I can fix this one ill save my 600 bucks

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Posted on Jan 02, 2017

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SOURCE: yamaha 125 grizzly starts and idles when choked but dies when acc

Take the carburetor apart again, remove the main and idle jets and idle mix screw, plus the float and needle valve. The main jet holds an 'emulsion tube' in--look inside where the slide valve moves, you should see a short brass tube projecting out of the bottom. Carefully push down on that tube with a plastic rod or wooden dowel, it should drop out the hole where the main jet was. Chances are that the tube is dirty and needs to be cleaned--look carefully at the series of small holes drilled into the sides of the tube. These small holes deliver air which is mixed into the fuel passed through the main jet. That air comes from a small hole just inside the intake side of the carburetor. The long needle that sticks out of the slide bottom controls low to mid-range speed fuel-mixture. Check that the 'C' clip on the top end of the needle is in the center groove and that the retainer spring is pressed down the 'C' clip. Now soak the whole carburetor with spray cleaner, then blow out all passages with compressed air. Don't soak the rubber-tipped needle valve from under the float. On reassembly, set the idle mix screw 1-1/2 to 2 turns CCW from CW stop. Adjust for best idle after you get it running and warmed up. I hope this long winded explanation helps!

Posted on Aug 14, 2009

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1 Answer

Why does my 2005 dyna super glide not idle


Running fuel/air too lean or maybe bad spark plug or wire. Just make sure wires are tight. Might be fouled.

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How do i lean out carb on 2003 dyna


This is done by changing the main jet for full throttle adjustments, adjusting the metering rod (jet needle) clip position for midrange and the pilot (slow) jet for idle and just off idle. There is also usually a mixture screw on the carb somewhere, location depending on which carb, that will also control the low speed mixture. Why are you wanting to lean the jetting. If a carb becomes rich for some reason the solution would be to fix the problem not band-aid it with leaner jetting.

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2003 HD dyna superglide, bike will not idle and


either the idle jet in carb is clogged, and or it is running to lean

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1 Answer

94 dyna superglide sputters and coughs off idle


O.K. HERE GOES CLOGGED OR DAMAGED AIR FILTER CLOGGED OR LOOSE PILOT JET(CARB) DAMAGED CHOKE INCORRECT THROTTLE ADJUSTMENT '' CARB '' BAD GAS DAMAGED BATTERY,SPARK PLUG,IG COIL,IGNITER UNIT,PICK UP COIL INCORRECT VALVE CLEARANCE,ENGINE OIL VISCOSITY TO HIGH,LOW ENGINE COMPRESSION....I know its a bit of a list but I hope it helps.good luck.Start with spark plug,air filter,if all good,go to the carb next.

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1 Answer

03 dyna glide won't idle


Check the throttle stop. Typically its a screw that can vibrate outa place.
Carb? drop the float bowl and be sure there's nothing clogging the idle jet.
Third is the ignition components.
The Library should have motorcycle repair manuals in the 646 stacks of reference if you don't have the service book yet.

Oct 13, 2009 | 2003 Harley Davidson FXD Dyna Super Glide

1 Answer

After sitting up over the winter my 03 Dyna won't idle. I change the gas and but in some carb. cleaner but it still won't idle even after riding for several 100 miles.


If the bike is a carburated model, it sounds like the slow speed jet or the idle ports in the carburator are stopped up. When fuel left in the float bowl for extended periods of time evaporates, it leaves behind the thick gummy additives that have been put in the fuel for various reasons. This is what the old timers called "Varnish". If left long enough, it will dry and become hard and looks very much like varnish. To get this stuff out, the carb must be disassembled and cleaned in a carb cleaning solvent.

If the problem is on a fuel injected model, it may have the same problem but it's not as easily remedied. Consult your dealer on that.

The carb cleaner may work if given enough time. It's designed to desolve any contaminants in the fuel. The problem is that if the slow jet is stopped up, no fuel can pass through thereby limiting the amount of cleaning the carb cleaner can do.

Oct 13, 2009 | 2003 Harley Davidson FXD Dyna Super Glide

1 Answer

2002 Dyna wide glide. Will not IDLE


not running for a year! You have a varnish buildup in the low end circuit of the carb. You will need to remove the carb and do a full teardown of the carb to properly rectify this problem. SOMETIMES we are able to free up the passages by putting SEA FOAM cleaner in the tank , fill her up with fresh fuel and ride through the tank and it will clear up. SEA FOAM can be purchased at an auto parts store and is sometimes very effective. 1/4 cup to full tank fuel.

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1 Answer

Idles alittle rough and cuts as you ride


Start with adjusting the idle screw on the carb, u may have an inlet system air leak or a loose low speed jet, a plugged low speed system, your enricher isnt seating or your accelerator pump is leaking, so if adjustin the idle doesnt do it, your gonna have to pull the carb

Mar 26, 2009 | 2003 Harley Davidson FXDWG Dyna Wide Glide

6 Answers

Yamaha TTR 125 L won't idle


this is very tipical. when bikes are stored the fuel varishes up the jets & needles. soak the carb. moving it back and forth in the soak solution. then blow every jet and orfice with a controlled air source. note: any speck of rust or dirt can plug these jets. pay attention to detail and do every thing twice. then install the carb and adjust it to your riding style. later Spike

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