In Stock Engine parts Big bore kit 125cc for DIO50 AF18 electric start water cooling version with 28mm... 222202 USD 1,510 Big bore water cooling kit for 125cc modification Honda DIO50 AF18. Set supplied with:1. Water cooling cylinder kit 54.5mm BWSP;2. Forged crankshaft 53.4mm+4.4mm JISO;3. Cnc machined cylinder head BWSP;4. Intake manifold 28mm;5. Clutch bell JISO;6. Light weight clutch pads JISO;7. Variator 92mm JISO;8. Perfomance torque driver with high-angle grooves... Add to cart