Yamaha TT-R125ER Manuel D'atelier Du Proprietaire page 546

IGNITION SYSTEM
CDI MAGNETO INSPECTION
1. Inspect:
Br G
R W
2
1
Tester (+) lead → Red lead 1
Tester (–) lead → White lead 2
2. Inspect:
1
2
Br G
R W
Tester (+) lead → Brown lead 1
Tester (–) lead → Green lead 2
6 - 5
Pickup coil resistance
G
Out of specification → Replace.
Pickup coil
resistance
248 ~ 372 Ω at
20 ˚C (68 ˚F)
Source coil resistance
G
Out of specification → Replace.
Source coil
resistance
688 ~ 1,032 Ω
at 20 ˚C (68 ˚F)
– +
ELEC
Tester selector
position
Ω × 100
Tester selector
position
Ω × 100