The twenty-four Cb650c 1981 (b) E-11 Left Crankcase Cover-oil Pump component parts are all listed in this schematic.
Some items from this specific schematic: Switch,oil Press., Pin,knock 6x10b, O Ring 19.4x2.8, Bolt,flange,6x45.
The Washer,plain, 6mm is the lowest priced item on this E-11 Left Crankcase Cover-oil Pump schematic.
