Polini Corsa 47mm (70cc) Honda Dio Elite SA/SR Big Bore Cylinder and Head Kit. Kit includes cast iron cylinder, aluminum cylinder head, piston, rings, piston pin and bearing, cir clips, head gasket, base gasket, exhaust gasket, a #82 carburetor main jet, exhaust studs, spark plug and carbon fiber reed.
When you use this Polini 47mm Big Bore Kit in conjunction with your stock 41.4mm crankshaft you will increase your total displacement to 70cc! The manufacturer claims 11.7bhp at 9,000RPM is possible with this kit.
Fits Honda Elite S/SE/SR AF16 models from 1994-2001, Kymco ZX50/Fever/DD50, Daelim Cordi 50 and SYM DD50. Not for earlier model Honda AF05e Engines.