FKM Premium crankshaft seal rings. Fits all scooters with Minarelli engine (CW, MA, MY, CA, CY) horizontal, vertical, air-cooled or water-cooled and their clones from Asia (1E40QMB, IE40QMB) such as CPI Hussar 50, Oliver 50, Popcorn 50 as well as Keeway Hurricane 50, Fact 50, RY8 50, Matrix 50 or Generic XOR50, Ideo 50.