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I have an 06 electra glide with a carb. It runs terrible when it gets below about 70 or 60ish degrees outside. It coughs and spits anywhere from about 2k to 3k. Would this be a idle jet, main jet, needle valve issue. The jets are stock with the fuel/air mixture screw adjuster exposed. Stock pipes and air cleaner,also.
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It could be as simple as water in the float chamber. I had a BMW twin that needed them cleaning every few months! It can get there from condensation inside the gastank. I suggest you remove and clean the float chamber cover. If it is dirty inside check and clean the jets.
However it could also be either the VOES, or the pipe connecting the VOES to the inlet manifold. Clean the air filter while you are at it, just to remove as many possibilities as possible!
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Graham
Harley owner since 1974, Founder & Life HOG Member. 1990 Bright Candy HiFi Blue FLHS/2008 S&S V107T, 2007 XB12R, 2003 FXDXT, MG ZT V8.
actually, i'm sold on sea foam. i'm supposing it's a condensation issue. joe minton an editor for american rider magazine has a mod for the carb, and it works great. you use an 87 or 88 sportster 1200 needle and he has the specs also for the jetting. if i could find the issue, i'd gladly give you the specs on the jetting etc. it does a great job by making the carb work properly for mixture on big twins. how are the plugs and plug wires? it's the little goofy stuff to check first. like is the air cleaner clogged, plugs fouled, etc???
actually, i'm sold on sea foam. i'm supposing it's a condensation issue. joe minton an editor for american rider magazine has a mod for the carb, and it works great. you use an 87 or 88 sportster 1200 needle and he has the specs also for the jetting. if i could find the issue, i'd gladly give you the specs on the jetting etc. it does a great job by making the carb work properly for mixture on big twins. how are the plugs and plug wires? it's the little goofy stuff to check first. like is the air cleaner clogged, plugs fouled, etc???
+1 on Seafoam. I use it in everything regularly. Also, you might change the plugs & wires.
I had a problem like that on my '94 dyna that turned out to be corrosion on the coil input wires where they connect to the coil. It took me forever to find it. Plus, it turned out that the intake manifold seals were leaking a little bit and needed to be replaced.
On my 2006 FLHT (carb) , I ran a #48 pilot jet and the 27094-88 (sportster needle).
The pilot jet covers idle to about 1/8 throttle.
The needle covers it to about 2/3 throttle.
The main jet is fine stock , it should be a #190.
If you want to keep the stock needle , just put 2 #4 machine washers under the needle (to raise it).
I tried a #46 pilot first , but really needed the #48 eventually for best performance.
The dealer can get you the needle , JP cycles is where I got the pilot jets from.
Under $20.00 and it ran really nice.
Mick
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2009 FLHTCU Flame Blue Pearl/Pewter Pearl
Stock (so far)
Bike hates cold
