I have to agree with truckracer regarding the screen. It is the last line of defense. Looking at it in another way, why would Walbro or the clones put a screen there if it wasn't needed or at least a smart idea. And if the screen is found to be clogged, it is better to trap the debris there rather than inside the tiny passages that aren't so easy to get to. As for my engines, the screen stays put.

By the way, I utilize a filter in the gas can along with a Walbro type filter/clunk in the fuel tank in the plane. I've never encountered a clogged up carb yet. It works for me.

Indiomike