Checking The Neutral Switch; Checking The Cdi Unit - Yamaha yz250 2015 Owner's Manual

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2. Inspect:
• Charging coil 1 resistance
Out of specification → Replace.
Tester (+) lead → Black/Red lead
"1"
Tester (-) lead → Black lead "2"
Charging
Tester se-
coil 1 resis-
lector posi-
tance
720.0–
1,080.0 Ω
at 20 °C (68
°F)
3. Inspect:
• Charging coil 2 resistance
Out of specification → Replace.
Tester (+) lead → Green/Blue lead
"1"
Tester (-) lead→Green/White lead
"2"
Charging
Tester se-
coil 2 resis-
lector posi-
tance
44.0–66.0
Ω at 20 °C
(68 °F)
CHECKING THE NEUTRAL
SWITCH
1. Inspect:
• Neutral switch conduction
Tester (+) lead→Sky blue lead "1"
Tester (-) lead → Ground "2"
Not conductive while it is in neutral →
Replace.
Conductive while it is engaged → Re-
place.
Set the tester selection position to "Ω
× 1".
tion
Ω × 100

CHECKING THE CDI UNIT

Check all electrical components. If no
fault is found, replace the CDI unit.
Then check the electrical compo-
nents again.
tion
Ω × 10
Result
Conductive (while gear
is in neutral)
6-4
IGNITION SYSTEM

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This manual is also suitable for:

Yz250f2 20152011 yz2502011 yz250a12011 yz250aYz250(b)

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