Carburetor vacuum diaphragm for SR250, XS650, XJ900, SECA, and XJ1100 models.Fits various engine types including SR250G, SR250H, SR250TH, SR250J, XS650SE, XS650SF, XS650G, XS650SG, XS650H, XS650SH, XS650SJ, XS650SK, XJ900RK, XJ900 31A, XJ900 58L, XJ900F, and XJ1100J.Designed as a replacement plunger vacuum diaphragm for carburetor systems.If dimensions match, may be compatible with other carburetor types.All measurements are taken manually and may have slight variations.Color may differ slightly due to monitor settings. Compatibility Disclaimer: This is an aftermarket replacement part.Any brand names or model designations mentioned are used solely for the purpose of demonstrating compatibility.