Reply To: [How to Tutorial] Change / Upgrade fuel lines & fuel filter on CARBY GV125 GV250 Diagram Jan 27, 2024 at 9:22 AM #12168 ♠️ M77👑 Admin🖊 Topic Author Topics: 40Replies: 3,033Country: UKBike Model: GT Also in any case All Carb Model GVs use one pump. And follow this topic exactly to the letter as this is how Hyosung does it too.