Naraku Performance Cylinder for 100cc AC Minarelli

Naraku 113cc Air Cooled Minarelli Big Bore Cylinder Kit. Kit includes cylinder, 55mm piston, piston rings, 14mm piston pin, cir clips, head gasket, base gasket and exhaust gasket.When used in conjunction with a stock crankshaft the total displacement comes out to 113cc. fits the following models with 100cc 2-Stroke Minarelli engines: Aprilia: Scarabeo 100Benelli: K2, Naked 100MBK: Booster, Nitro, Ovetto 100 fits Yamaha: Aerox, Neos, BWS 100*You may need to modify your engine case to accommodate the larger cylinder. Please see our Warranty & Returns Policy. Upgrades to 113cc Cylinder Bore: 55mm Cylinder Sleeve Outer Diameter: 59.2mm Wrist Pin Diameter: 14mmCylinder Stud Spacing (Diagonal): 75mmExhaust Port Diameter: 26mmExhaust Stud Spacing: 48mmOverall Height of Cylinder: 85mm