Some items from this specific schematic: Oil Seal, Bolt,hex.,5x10, O-ring,6x1.7, Clamoper Pulser C.
The most reasonably priced component used on the C50bnd 1995 (s) Japan C50-060 E-7 is the Bolt,hex.,5x6.
In this schematic the "O-ring,6x1.7" is used most often.