2005 SO Johnson 4 Stroke 9.9-15HP Outboards Service Repair Manual P/N 5005990, Page 97Get this manual
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IGNITION SYSTEM IGNIlON TESTS
RedBlack Pulser coil resistance: 148 to 222 n
Other Black (Ground)
Remove spark plugsCrank with recoil Pulser coil output: 0.8 over