Checking The Ignition Spark Gap; Checking The Crankshaft Position Sensor - Yamaha XT1200Z(Z) 2010 Service Manual

c. Measure the primary coil resistance.
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2. Check:
• Secondary coil resistance
Out of specification → Replace.
Secondary coil resistance
8.50–11.50 kΩ
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a. Connect the pocket tester (Ω × 1k) to the ig-
nition coil as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Negative tester probe →
red/black "1"
• Positive tester probe →
spark plug terminal "2"
b. Measure the secondary coil resistance.
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EAS28930

CHECKING THE IGNITION SPARK GAP

1. Check:
• Ignition spark gap
Out of specification → Perform the ignition
system troubleshooting, starting with step 5.
Refer to "TROUBLESHOOTING" on page
8-4.
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ELECTRICAL COMPONENTS
TIP
If the ignition spark gap is within specification,
the ignition system circuit is operating normally.
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a. Remove the ignition coil from the spark plug.
b. Connect the ignition checker "1" as shown.
LLL
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2. Ignition coil
c. Turn the main switch to "ON" and engine stop
switch to "
d. Measure the ignition spark gap "a".
e. Crank the engine by pushing the start switch
" " and gradually increase the spark gap un-
til a misfire occurs.
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EAS28120
CHECKING THE CRANKSHAFT POSITION
SENSOR
1. Disconnect:
• Crankshaft position sensor coupler
(from the wire harness)
2. Check:
• Crankshaft position sensor resistance
Out of specification → Replace the crank-
LLL
shaft position sensor.
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a. Connect the pocket tester (Ω × 100) to the
crankshaft position sensor coupler as shown.
8-148
Minimum ignition spark gap
6.0 mm (0.24 in)
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Ignition checker
90890-06754
Oppama pet-4000 spark checker
YM-34487
".
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Crankshaft position sensor resis-
tance
336–504 Ω at 20 °C (68 °F)
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