piston 218 cc, for M3113955 M3113955 75.5mm, 3 piston ring(s), piston pin 15mm, incl. oil control ring/piston A new cylinder is not always the solution when the cylinder has several thousand kilometers of use. Get the compression level back up where it belongs by replacing rings or pistons instead of burdening yourself with major repairs. Our warehouse is full of original spare parts and tuning and replacement parts such as pistons, piston rings, CIR clips, piston pins and gasket sets.###3414314 (MALOSSI)