Checking The Ignition Spark Gap - Yamaha MX800V Service Manual

ELECTRICAL COMPONENTS
2
1
a
1
Coil resistance:
8.8–11.9 k
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a. Remove the TCI unit.
b. Connect the digital circuit tester () to the terminal.
Model 88 Multimeter with tachometer:
YU-A1927
• Positive tester probe 
High tension cord "1"
• Negative tester probe 
Body ground "2"
c. Measure the coil resistance.
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CHECKING THE IGNITION SPARK GAP

The following procedure applies to all of the TCI units.
1.
Check:
• Ignition spark gap
Out of specification  Perform the ignition system
troubleshooting, starting with step 4.
(Refer to "IGNITION SYSTEM" on page 6-1)
Minimum ignition spark gap:
6.0 mm (0.236 in)
TIP
If the ignition spark gap is within specification, the ignition
system circuit is operating normally.
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a. Disconnect the spark plug cap "1" from the spark
plug.
b. Connect the ignition checker "2" as shown.
2
Ignition checker:
90890-06754
c. Turn the main switch to "START".
d. Measure the ignition spark gap "a".
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