Yamaha WR250F(N) Owner's Service Manual page 616

IGNITION SYSTEM
2. Inspect:
Charging coil 1 resistance
Out of specification
Tester (+) lead
Tester (–) lead
Charging coil 1
resistance
640 ~ 960
20 ˚C (68 ˚F)
3. Inspect:
Charging coil 2 resistance
Out of specification
Tester (+) lead
Tester (–) lead
Charging coil 2
resistance
464 ~ 696
20 ˚C (68 ˚F)
NEUTRAL SWITCH INSPECTION
1. Inspect:
Neutral switch conduct
Tester (+) lead
Tester (–) lead
NEUTRAL
IN GEAR
No continuous while in neutral
Continuous while in gear
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
Replace.
Brown lead 1
Green lead 2
Tester selector
position
at
100
Replace.
Pink lead 1
Green lead 2
Tester selector
position
at
100
Sky blue lead 1
Ground 2
Tester selec-
Sb
Ground
2 tor position
1
Replace.
Replace.
+
1