The CB750K stator only has 3 yellow wires. The Field Coil has 2 wires, Green and White. A good aftermarket Shop Manual is the M341 CLYMER, 7th Edition, which has COLOR Wiring Schematics. I have 5 Stators, 4 Field Coils, and 3 Generator Rotors, among my CB750K parts, plus carbs, starters, K0...