Most GY6 150 carbs can be saved by simply keeping jets clean and dumping gas from carb before lettin gthem sit. I do more repairs on GY6 engines where I either simply clean the jets or rebuild the carb and add larger pilot and main jet.
Get it all here for GY6 150 Carbs
This kit does come with new Float and Needle
Rebuild Kit with Pilot and Main Jet
Jet Cleaning for future service
Larger 45 Pilot and 120 Main jet
By taking your carb apart and using carb cleaner which we do offer then adding the larger pilot and main jet and I do suggest add air upgrades also your scooter will run better start better and last longer.