In Stock Engine parts Big bore kit 125cc for DIO50 AF18 air cooling electric start version with 28mm manifold... 222210 USD 1,210 Big bore kit for Honda DIO50 AF18. Air cooling version. Set supplied with:1.Cylinder kit 54.5mm BWSP;2.Forged crankshaft 53.4mm+4.4mm JISO;3. Cylinder head JISO;4. Intake manifold 26-28mm;5. Clutch bell JISO;6. Light weight clutch pads JISO;7. Variator JISO;8. Perfomance torque driver with high-angle grooves JISO;9. Pulley plate JISO;10. Long belt... Add to cart