As you say she runs better on choke I´d assume she doesn´t get enough fuel. First thing I do: let her run with open fuel cap, then check if pet cock is free
Probably the same (?) https://www.ebay.de/itm/256376503795?itmmeta=01J3M9JTT0BWWSZPVFKZFPDSA5&hash=item3bb13afdf3:g:-k4AAOSwvohlUj8e&itmprp=enc%3AAQAJAAAA8MVdk10hoduIQKZfalq0E14f%2BylxsHj%2BKfuURQI8%2FdreyRozPt99LfILaLE%2FpSwqG1k%2FJqOHj65nAsWIXiXoyANIYfU%2BT%2FCICyW%2BVH03o0mDVgdqK6ccfCDW%2...
fantastic you've found a real gem there would say your throttle cables look a little too long and query the routing of the brake line near top yoke that bracket is where the throttle cables go but hey its absolutely stunning heres my 72 still to fit the 4 x 4 pipes when i get time. 20210531_1427064...