The Bolt,socket,8x12 is the most widely applied product in the NSR125F 1988 (J) SPAIN / KPH LEFT CRANKCASE COVER/ GENERATOR ( four times ).
The component with the lowest price in the LEFT CRANKCASE COVER/ GENERATOR schematic is the Nut,hex.,4 Mm.
A sample from the products for the Left Crankcase Cover/ Generator include: Gasket,l Cover (mca), Ac Gen,flywheel, Nut, Lock, 12mm, Clip,2x50..