With two applications this Bolt,flange Dr 6x is the most specified part.
A sample from the products for the Oil Pump include: Oil Separater, Oil Pump Assy., Sprocket,oil Pump, Screw,pan 3x12.
This part-list fiche shows all the components that make up the Trx200sx Fourtrax 200sx 1988 (j) Usa Oil Pump .