In Stock Engine parts DIO50 127cc big bore kit 55mm cylinder set water cooled 53.4mm forged crankshaft 222248 USD 1,000 Big bore kit 127cc for Honda DIO50 AF18. For installation this set is needed milling crankcase. Set including: 1. Water cooled cylinder kit 55mm JISO (height 79.3mm, pin size 14mm); 2. Forged crankshaft 53.4mm +4.4 long stroke JISO; 3. Billet cylinder head JISO; 4. Set of crankshaft bearings, needle roller and oil seals. Add to cart