Neutral Switch Check - Yamaha 2011 YZ250F Owner's Service Manual

2. Inspect:
• Charging coil 1 resistance
Out of specification → Replace.
Tester (+) lead → Brown lead "1"
Tester (-) lead → Green lead "2"
Charging Tester se-
coil 1 resis- lector posi-
tance
720-1,080
Ω at 20 °C
(68 °F)
3. Inspect:
• Charging coil 2 resistance
Out of specification → Replace.
Tester (+) lead → Pink lead "1"
Tester (-) lead → Black lead "2"
Charging Tester se-
coil 2 resis- lector posi-
tance
44-66 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"
tion
Ω ×100
Not conductive while it is in neutral →
Replace.
Conductive while it is engaged → Re-
place.
W Br P
R G B
Set the tester selection position to "Ω
× 1".
CHECKING THE CDI UNIT
Check all electrical components. If no
fault is found, replace the CDI unit.
tion
Then check the electrical compo-
nents again.
Ω ×10
W Br P
R G B
Result
Conductive (while gear
is in neutral)
6-5
IGNITION SYSTEM