Ok, quick run down.
I am free of debree or blockage on the tank. The two ports in question are the breather, and the over flow. Rigor, I thought the same, they won't affect the idle. Will a two mile run fowl plugs if I am slow, or fast, and I will ride the opposite? Only vehicle, since the electrical issue on my 88 jeep has it dead the same day I put the big box on. Chasing that little problem for 6 months now. LOL.
I capped the flapper vacum port on the front bottom right of the TB's. However, I don't remember doing anything with the Charcoal Canister port on the left side, behind or next to the front TB that is pictured in the thread about
T1/Thorsten/Mori Airbox Idle Q's. I have 3 updated posts in that thread about idle issue. You guys deffinitly answered my Q's on what to do with the overflow, and I will fix. The vent tube, I will try and route back underneath. Curiosity asks, on the bikes that don't have the Charcoal to begin with, where does the vent tube go on those bikes? Could one route back into the airbox?