It is called a Mad dog 150 cc scooter.
They are made in Asia and sell for around 2000.00. Just type the name into Google for not info.
Thank you. No intention to buy, but since I have started to see them around I wondered.
The old GY6 clone reminds me of the Buggy Craze a few years back. Crap metal for the frame and lots of bolts to be replaced. After a bit of work and cash you can have something fairly decent if you knbow what to fix and with what.