The Transmission assembly is constructed from several parts from which the Shaft,main Trns is the most expensive.
The lowest price component in this Transmission parts-list fiche is the Bolt,flange 6x14.
Parts such as the Transmission: Gear,c-2, Washer,lock, Gear,c-4, Bush,spline,28x8. are included in the Trx250teb Fourtrax Es 2011 (b) European Direct Sales/ec Transmission parts fiche.