I think stock you're running 110/40 jetting. Per Geoff's suggestion, check page 10 of the Jenks Tuning Manual. It'll give you jetting sizes for various combinations of intake and exhaust systems.
Here's the Jenks link
Bob
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2003 T100 (790cc) Lucifer Org and Silv: 122/42 jets, TORs, 17T, UNI filter, no AI, Polaris bellmouth, Metzeler ME880 tires, Progressive 440 shocks (105/150 springs),11-1126 fork springs, gaiters, MotoTwin low bars, 6024 lamp, htd grips, 12v outlet.
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