28mm Dna125 diaphragm carburetor membrane compatible with X8 X9 125 200 Evo 250cc models.This carburetor diaphragm is designed to fit the following model variants: 125 ZAPM28100, 200 ZAPM28200, - 250 ZAPM28500, X8 125 ZAPM36300, X8 200 ZAPM36200, X9 125 ZAPM23000, X9 SL 125 ZAPM23000, X9 180 ZAPM23000, X9 200 ZAPM23000, X9 Evo 125 ZAPM23000, X9 Evo 200 ZAPM23000, X9 Evo 250 ZAPM23000.Compatible with OEM part numbers AP8580038, CM129701, 121661190.