pz26 carb on a modified gx200

#1
Sup guys, I've been lurking here for over a year and learned a lot, but i need a little advice. I've just fitted a pz26 carb to my motor and it runs like a raped ape on full choke. opening the choke at all and it dies. i didn't have time to check for an air leak do to the massive rains here yesterday. but i pulled the jet and its a 90. I didn't check the pilot. I'm thinking it's running way lean. Any suggestions on jet size, or anyone have experience with a similar setup?

mods so far are -
pz26 carb
gx160 flywheel
gx160 head ( home job port and polished)
planning on exhaust soon
and a whole lot of welding to graft my chosen front end on
 
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