The O Ring(d:3,id:24.5) is the lowest priced item on this Starting Motor (model K1/k2/k3) schematic.
Parts such as the Starting Motor (model K1/k2/k3): Spring, O Ring(d:3,id:24.5), Screw, Shim are included in the Gsx600f Katana 1999 (x) Usa (e03) Starting Motor (model K1/k2/k3) parts fiche.
The most expensive part in this assembly is the Motor Assy,starting.