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Electrical System
14 690 12 Rev. -- KohlerEngines.com
Electronic Ignition Systems Tests
Test Ignition System
1. Make sure spark plug lead is connected to spark plug.
2. Check condition of spark plug. Make sure gap is set to 0.76 mm (0.030 in.).
Condition Possible Cause Conclusion
Spark plug is not receiving ignition
pulse.
Spark Plug Check gap and adjust if necessary;
reinstall plug.
Spark plug in bad condition. Spark Plug Replace plug, set gap, and install.
Test Ignition Module
1. Disconnect kill lead from terminal on ignition module.
2. Pull retractable starter to a minimum of 350-450 RPM and check for spark.
Condition Possible Cause Conclusion
Visible and audible sparks are
produced.
Ignition System or
Wiring and Connections
Problem is elsewhere in system/
wiring.
Visible and audible sparks are not
produced.
Ignition Module Replace ignition module.