This 70cc piston is quite generic for the Chinese made, Honda clone engines that they manufacture. This piston is for the horizontal style engine that is used in the China made small ATVs and dirt bikes.
Please check measurements on the pictures.
Please review these other products:
Gasket set for the Chinese made 70cc horizontal, Honda clone, engine.
Basic Gasket set for the Chinese made 70cc horizontal, Honda clone, engine.
Valve set for 70cc, 90cc, 110cc, horizontal, air cooled, made in China, Honda clone, engine.