on the carb under the seat, there is a hose that runs from front of carb to back of carb.
unplug from back of carb & plug hose (or remove hose & plug front port)
I got this info from someone else that now has 25k on their Roketa Bali 250. I didn't think
it could be that easy, but BINGO... runs like a champ now. good luck!