motor bogs down when using filter

All jokes aside, I have the opposite problem. Bofeng carb. Purchased the same filter @DAMIEN1307 linked to.

With it on , top end is at least 20% lower and four strokes like a b**ch at WOT. Move the needle? I can do mechanics but I'm a long stretch from even an amateur at tuning 2 stroke engines.

EDIT: The needle doesn't affect WOT so I guess I need a jet kit. Richer or leaner?
Leaner on the main jet but then pay attention to the needle adjustment as it will be affected by the different size main jet and it too may need an adjustment.
 
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