This schematic depicts all components used in the Kmx125-b6 1991 United Kingdom Fr Nr Transmission partslist.
Some items from this specific schematic: Gear,output 2nd,27t, Gear,input 3rd&4th,17, Sprocket-output,14t, Plate,sprocket.
On this parts fiche the Ring-snap,18.7mm is the most specified component.
