How to test and repair the charging system on a scooter

Flywheel tool: https://amzn.to/2rfEYBO Cheap voltmeter: https://amzn.to/2JHTVUe Fuses: https://amzn.to/2r9YD5s 8-pole stator (make sure the it's right part before buying): https://amzn.to/2I6Gyj3 4 pin regulator: https://amzn.to/2JKSUuq 5 pin regulator: https://amzn.to/2jlSbVn How to diagnose and repair the charging system on a 150cc scooter. This procedure is similar for all 50, 125, 150 cc GY6 Chinese scooters. I explain how to test and replace the stator, fuse, wiring, and voltage regulator.