Testing the stator and charging system in a 150cc GY6 Chinese scooter

In this video, I bought a 2014 Tao Tao BWS 150 scooter with 13,215 Km (8211 miles) and had to fix everything.

Torque specifications:
Stator M6 bolts: 7.3 ft-lb or 10 Nm
Pickup coil M5 bolts: 4.4 ft-lb or 6 Nm
Fan cover M6 bolts: 7.3 ft-lb or 10 Nm

Parts:
Spark plug NGK CR7HSA
https://www.partsforscooters.com/Spark_plug_4-stroke
Ignition coil (standard)
https://www.partsforscooters.com/164-55_GY6_Ignition_Coil
Ignition coil (performance)
https://www.partsforscooters.com/169-15-Ignition-Coil
CDI (standard A/C powered)
https://www.partsforscooters.com/CDI_unit_gy6_qmb139
Stator (standard 8 pole)
https://amzn.to/3j3Z68f
Performance stator and voltage regulator 11-pole upgrade kit
https://www.rollingwrenchdenver.com/collections/gy6-ignition-system/products/gy6-charging-system-upgrade-kit-8-pole-to-11-pole-stator?variant=39611395932239
W5W - 194 - 168 LED bulbs
https://amzn.to/3kuc5QZ
BA20D LED headlight bulbs
https://amzn.to/3kt5lTj

Tools:
Rolling wrench CVT holder
https://www.rollingwrenchdenver.com/collections/tools-1/products/cvt-tool
Flywheel puller tool
https://www.rollingwrenchdenver.com/collections/tools-1/products/magnitio-flywheel-puller-tool

0:00 intro
0:36 diagnosing no spark
1:03 remove the old stator
1:29 tools
1:54 8-pole stator
2:20 charging system wiring diagram
3:47 testing the stator
6:49 install the stator
7:25 test charging system voltage (fail)
7:50 Amazon stator
8:02 voltage test (pass without lights)
8:28 LED headlight upgrade
9:08 re-wire headlights for DC
10:23 voltage test (fail again)
10:51 saving electricity
11:11 test charging system voltage (pass)
11:37 conclusion