The Washer,thru,17mm is the cheapest item from this partsfiche.
The twelve Nps50 Zoomer 2006 (6) Ireland Kph Transmission component parts are all listed in this schematic.
Parts such as the Transmission: Washer,14mm, Dowel,pin,8x14, Gear Comp,final, Oil Seal,24x40x7 are included in the Nps50 Zoomer 2006 (6) Ireland Kph Transmission parts fiche.