Yamaha TT-R125(P) Owner's Service Manual page 506

IGNITION SYSTEM
CDI MAGNETO INSPECTION
1. Inspect:
Pickup coil resistance
Out of specification
Tester (+) lead
Tester (–) lead
Pickup coil
resistance
248 ~ 372
20 ˚C (68 ˚F)
2. Inspect:
Charging coil resistance
Out of specification
Tester (+) lead
Tester (–) lead
Charging coil
resistance
688 ~ 1,032
at 20 ˚C (68 ˚F)
EC628000
CDI UNIT INSPECTION
Check all electrical components. If no fault is
found, replace the CDI unit. Then check the
electrical components again.
6 - 5
–
ELEC
Replace.
Red lead 1
White lead 2
Tester selector
position
at
100
Replace.
Brown lead 1
Green lead 2
Tester selector
position
100
+