The Washer (17x30x3.2) is the cheapest item from this partsfiche.
Parts such as the Rear Wheel (model K): Retainer,rr Sprocket Drum, Spacer(17.5x25x78), Spacer,rr Axle,l, Drum,rear Sprocket are included in the Dr750s 1988 (j) (e04 E18 E22 E34 E75 E77) Rear Wheel (model K) parts fiche.
thirty-three components are listed in the schematic for this Dr750s 1988 (j) (e04 E18 E22 E34 E75 E77) Rear Wheel (model K) .