In Stock Engine parts DIO50 big bore kit 125cc cylinder 55mm water cooled forged crankshaft 52.6mm 222249 USD 880 Big bore kit 125cc for Honda DIO50 AF18. For installation this set is needed milling crankcase.Set including:1. Water cooled cylinder kit 55mm JISO (height 76mm);2. Forged crankshaft 52.6mm +3 long stroke TWH;3. Billet cylinder head JISO;4. Set of crankshaft bearings, needle roller and oil seals. Add to cart