1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 146Get this manual

1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 146

Output TestsV6
ill plugs installed and torqued in the cylinder headIf necessary to remove the spark plugs, be sure to keep the spark tester away from open spark plug holes

All cranking output tests must be performed with spark

STEPTOTAL OUTPUT TEST
111 1Loosen power pack and disconnect yellowred lead bullet L!J connectorProvide external ground for power pack
2Disconnect port temperature switch whiteblack lead and attach power pack whiteblack lead to clean engine ground3Twist and remove all spark plug leads4Adjustthe gap on the spark tester to 716 in(11 mm)Connect tester leads to the spark plug leadsSecure tester clip to clean engine groundTo prevent possible arcing of high voltage, route tester leads at least in(51 mm) from any metal surface

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