Checking The Pickup Coil; Checking The Stator Coil - Yamaha XT250X 2008 Service Manual

2. Spark plug cap
c. Turn the main switch "ON" and set the engine
stop switch to the "
d. Measure ignition spark gap "a".
e. Press start switch " " to crank the engine,
and gradually increase the spark plug gap
until the engine misfires.
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EAS28110

CHECKING THE PICKUP COIL

1. Disconnect:
Pickup coil coupler
G
(from the wire harness)
2. Check:
Pickup coil resistance
G
Out of specification → Replace the pickup
coil and stator assembly.
Pickup coil resistance
279–341 Ω (Red–white)
MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
a. Connect the pocket tester (Ω × 100) to the
pickup coil terminal as shown.
Pocket tester
90890-03132
Positive tester probe
White "1"
Negative tester probe
Red "2"
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.
ELECTRICAL COMPONENTS
b. Measure the pickup coil resistance.
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EAS28150

CHECKING THE STATOR COIL

1. Disconnect:
Stator coil coupler
G
(from the wire harness)
2. Check:
Stator coil resistance
G
Out of specification → Replace the pickup
coil and stator assembly.
Stator coil resistance
0.560–0.840 Ω (White–white)
MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
a. Connect the pocket tester (Ω × 1) to the stator
coil coupler as shown.
Pocket tester
90890-03132
Positive tester probe
White "1"
Negative tester probe
White "2"
Positive tester probe
White "1"
Negative tester probe
White "3"
Positive tester probe
White "2"
Negative tester probe
White "3"
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