first you need an adaptated regulator
and some brain to make changes in you electrical system of you scooter

in metric size

a 8 key
a 10 key
a screwdriver
an impact wrench with 17 (don't remember the name)

why to do this ?
not just for fun, with 6 or 8 coil your light dim down when you use brake, or turn signal, and with mine it can't power the light AND the battery..
now all is ok

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REGULATOR RECTIFIER
MAIN WIRING – SUB ELECTRIC CIRCUIT CONDITION INSPECTION
• Remove the 4-pin connector of the regulate rectifi er.
• Measure the conducting status between the main wiring terminals according to the previous wiring diagram.
To check the wiring harness:
Positive lead on battery + (red wire) – Negative to ground (black wire) Measures battery voltage
Positive lead + (black wire) – Negative to ground Tests Conductivity
Lighting coil + (yellow wire) – Negative to ground
• (remove the resistor and the side auto-starter plug) Generally 0.1 ~ 0.8 􀀀
Charging coil + (the white wire) – Negative to ground Generally 0.2 ~ 2.0 􀀀
To check the regulator rectifi er:
W(White) Y(Yellow) R(Red) G(Green)
W(White) : 3 ~ 100 K :
Y(Yellow) : : 5 ~ 100 K
R(Red) : : :
G(Green)
• Inspect the regulator rectifi er connection.
• Measure the resistance value between every regulator rectifi er terminal.
If the resistance value between the terminals does not match the value in the table above, replace the regulator
rectifi er.

i checked what i did

white one is for starter, around 6 volt dc
red for battery
green for ground
black to power things (lights, meters....)

all the yellow are phases from stator (3)
i adden a pc fan on the regulator to cool it, because it's become rally hot


pour les curieux, ce topic etant surtout utilisé par des américains

le fil blanc alimente le starter ,au alentours de 6v
le vert est la masse
le noir sert d'alimentation au scooter
le rouge charge la batterie
les trois jaunes sont l'arrivée du stator, non encore régulé en alternatif (3 phases)

j'ai posé un ventilo sur mon regulateur, bleu avec de jolie led
pas pour le design mais parcque ca chauffe beaucoup