2005 Harley Davidson FLHTC - FLHTCI Electra Glide classic "engine valve" Questions

...is coming out of the breather tubes and saturating the air cleaner element to the extent that the engine will not idle properly if you have oil and smoke coming out of the breather on any engine it ...

...Glide Classic, any suggestions as to what it might be. There is the proper amount of oil in the engine. its ...

Engine miss and or chugging at low speeds. When on throttle it doesn't do it, only when trying to hold constant speed. No matter how fast or slow. First off, realize that the problem could be from