On this parts fiche the Bolt,flange,8x27 is the most specified component.
This Final Driven Gear diagram displays the required parts for the St1100p Paneuropean 1996 (t) England / Mkh Final Driven Gear.
Some items from this specific schematic: Bolt,flang 10x35, Shim G,pinion Gea, Needle Brg, B/brg N/rad N/com.