1. Raise idle via the gold phillips head screw on the right side of the carby.( to the right to raise, to the left to lower idle.)
2. Run the bike with no air filter to see if the filters a re restricting it.
3. Check inlet manifold for air leaks.
4. Check fuel cock in correct postion.
5. Check that ur main fuel line is running down 2 the carby not up so its not trying to defeat gravity.
6. tighten/loose the fuel air ratio screw on the bottom of the carby.
7. Try running the choke.
8. See if your cabt piller is at the bottom of the carby.
9. Let fuel out of your overflow, it may be flooded.
10. Attempt to Clutch start the bike.
GET RIDE OF the 19mm circle style carby and get a 25mm or better for better performance.