Some items from this specific schematic: Gasket,cylinder H (nas), Gasket,head Cover (nas), O-ring,1.5x9.5, Gasket,tensioner (nas).
The twelve Trx450s Fourtrax 2000 (y) Canada Ref Gasket Kit A component parts are all listed in this schematic.
With two applications this Seal,valve Stem is the most specified part.