Welcome Kymco Owners!
The Story of Jeffrey's Scooter . . Znen GY6 150cchttps://www.youtube.com/watch?v=xZI4D0bRs5MSome of the newer Znen models have a slightly more robust GY7 . . also called a GY6-B.If running a China scooter 4-stroke that hard . . add a tablespoon of Lucas Upper End Lubricant per gallon of gas.