PVC questions


Ok, new here, but had some questions. I don't own a busa, but my best friend does, and it's with me for the summer while he's out of the country. Went and got the oil changed today, and they told me the PVC isn't venting the crank case pressure. Well, took off the tank, looking, and there isn't a PVC running anywhere like its supposed to be. Does anyone have a diagram of where it's supposed to run, how I can get it all back to how its supposed to be. It would be greatly appreciated.

PCV (positive crankcase ventilation).. it would be required to connect to the intake side "after" the butterflies.. (the positive comes from engine vacuum)

I could be wrong but I think that there is only a passive crankcase vent that goes up to the bottom of the breather box..
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