Check to see if your bulbs are still good. One common problem is that the AC powered lights will fry out if the rectifier/regulator allows over-voltage from the stator.
This happened to a friend's Bintelli. I replaced all the lights with LED, cut the AC cottage supply, and merged it with the DC power wire. Now all of his lights are DC, and don't get brighter or dimmer with engine rpm.
The key to owning a Chinese scooter is to know ahead of time where your problems will be, and treat them ahead of time. Parts are cheap, work is easy.
If I were you, I would change all of the fuel lines and vacuum lines. That will be your next issue. Replace the gear oil in the first album drive as well. Fill with synthetic and you will never have to change it again.
These things come with a to-do list, but run a fraction of what a Taiwanese or Japanese scooter costs new.
Do your research, and you'll know exactly what to do or not to do, and when.