It dosent seem to have an original air filter, the jawa has this weird thing (see photo) where it has a rectangular box that sucks air in, then thru the frame, thru a rubber tube and into a plastic cover and into the carb. There dosent seem to be a place to put a filter. I'd thought about trying to stuff a sponge into the rectangular bit but I've seen a couple of posts here saying they didnt think the jawa has an air filter.
I did try covering the air filter with my hand and choking the carb while it was running but that made it bog worse, no accelration at all.
I moved the clip on the throttel needle down on notch but now I'm having trouble starting it. I'll update when i get it running again.