Reply To: , Hyosung Gv 650 St7 2015, emptied fuel, now wont start Sep 16, 2024 at 7:44 PM #14847 ♠️ M77👑 Admin Topics: 40Replies: 3,014Country: UKBike Model: GT E5 is recommended ( 95% unleaded petrol and 5% ethanol max) E10 isn’t good, so try to avoid it if you can.