A sample from the products for the Camshaft(s)/tensioner include: Guide-chain,rr, Bolt,6x26.5, Screw,6x14, Washer-plain,6mm.
In this schematic the "Bolt,6x25" is used most often.
The most reasonably priced component used on the Klx125cbf 2011 Europe,middle East,africa,uk Camshaft(s)/tensioner is the Washer-plain,6mm.