It is a set of pistons and gaskets equipped with a marker on the power pack 125. Please use it for repairs. It has a piston shape that achieves an ideal compression ratio that matches the displacement and the shape of the combustion chamber of the cylinder head.
 
○ Bore diameter: φ52.4
○ Forged piston specification
○ Molybdenum coat finish
○ Compression ratio: 12.2: 1 (normal 9.3: 1)
○ Lead-free premium gasoline specification
* Normal muffler and normal camshaft cannot be used
* I-MAP, for mounting Oil cooler KIT and clutch cover KIT are required.