The aix box vent is on the "dirty side" and you will have a bunch of crap accumulating in your crank-case soon after.
Don't do it.
Instead, find a cheap inline fuel filter for cars/automobiles and shove it into the crank case vent pipe after removing it from the air box cover. Seal the fitting on the air box cover properly.
everyone. was away for the last two weeks. Had a Dakar to run