Yamaha TZ250M1 Owner's Service Manual page 250

IGNITION SYSTEM
%
3. Inspect:
• Source coil resistance
Out of specification ≥ Replace.
Tester (+) lead ≥
≥ White lead 2 2
Tester (-) lead ≥
?
Source coil
resistance
2.3~3.5 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.
6-6
ELEC
≥ White lead 1 1
Tester selector
position
Ω X X 1