Yamaha TZ125M1 Owner's Service Manual page 229

IGNITION SYSTEM
EC627001
CDI MAGNETO INSPECTION
% 1. Inspect:
• Pick-up coil resistance
Out of specification ≥ Replace.
Tester (+) lead ≥
Tester (–) lead ≥
?
Pick-up coil
resistance
94~140 Ω at
20˚C (68˚F)
%
2. Inspect:
• Source coil resistance
Out of specification ≥ Replace.
Tester (+) lead ≥
Tester (–) lead ≥
?
Source coil
resistance
1.3~1.9 Ω 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
≥ White/Green lead 1 1
≥ White/Black lead 2 2
Tester selector
position
Ω X X 100
≥ White lead 1 1
≥ White lead 2 2
Tester selector
position
Ω X X 1