The sub assemblies and components that make up this Gasket Kit A include this Gasket Kit A (mca), the most expensive part.
With four applications this O-ring,35.5x3 is the most specified part.
Parts such as the Gasket Kit A: Gasket,ex.pipe (nas), Gasket Kit A (mca), Gasket,head Cover (nas), O-ring,78.3x2 are included in the Xr250r 1989 (k) Canada Gasket Kit A parts fiche.
