i think you have more issues than just the carb,find someone with a compression tester to start with.....
Piston rings are due for a change thats all iv been told to do for a top end rebuild would have got piston and cylinder but should do bottom end at same time to keep it even on servie will do com. Test thanks forgot about asking for one of them.
A good ride is any ride you can walk away from, a GREAT ride is if you can use the bike afterward.”