Some items from this specific schematic: Coil,a.c.ignition, Clip, Wire Harnes, Bolt-washer 6x12, Fuse,7a,25v.
seventeen components are shown in this Z50j Monkey 1979 (z) General Export (mph) Wire Harness/battery/ Ignition Coil exploded diagram.
The most expensive part in this assembly is the Battery 6n2a-2c-3.