those look like the zilla carbs...
did you ever check to get spark?
get them cleaned up, check the jets and re-install... should start up...
i would try 2 pull it and "pop" it into gear when you get everything back together...
and this guy r.rollings..... i would take everything he says with a grain of salt...
seems he taking all the advice he has read on this bored and posting it back to you.
Zach