Go on our FB group. Tap *Files* section of that group. Find GV125/250 service manual there. It details the whole process with some cartoon diagrams. I will try upload it on this forum next time i update the site shortly.
// Meditation doesn't mean you have to sit still....
NGK Uprated HT Coil Spark Plug Cap/Covers (x2) - Hyosung GTR GT GV (Various Models)
by Andy
Carbon Fuel Tank Cap Sticker (Protector Pad Cover) :: Various Hyosung Models
by Andy
Uprated Japanese 520 Chain & Sprocket Kit :: Hyosung GT125R GT250R GT125 GT250
by Andy
NGK Laser Iridium Performance Spark Plugs x2 - Various Hyosung Models
by dufferdave
High Performance Ignition Coil :: Hyosung GV GT 125 250 R + RT RX 125
by dufferdave
Uprated & Braided Fuel Line + Filter Kit :: Hyosung GV125 & GV250 {Carby Models}
£12.00
Stock Air Filter Cleaner - Hyosung GT125 GT125R GT250 GT250R GT650 GV650
£23.00
Oil Drain Cover O-Ring (Strainer Cap Seal) :: Hyosung GV125S Injected EFi
£5.00
Premium Jap Front+Rear Wheel & Sprocket Bearing Kit - Hyosung GV125S Injected EFi
£25.00
Front Engine Sprocket Nut - Hyosung GV125S Injected
£8.50
GTR