I got this off of a repair manual I have for my Agility 125. Hope this is what you wanted.
A.C. GENERATOR CHARGING COIL INSPECTION
Disconnect the A.C. generator 2P connector.
Measure the resistance between the A.C.
generator white wire and engine ground with
an electric tester.
Standard: 0.2~1.2Ω(at 20℃)
Replace the A.C. generator charging coil if
the reading is not within the specifications.
A.C. GENERATOR LIGHTING COIL INSPECTION
Disconnect the A.C. generator 2P connector.
Measure the resistance between the A.C.
generator yellow wire and engine ground
with an electric tester.
Standard: 0.1~1.0Ω (20℃)
Replace the A.C. generator lighting coil if the
reading is not within the specifications.