1992 Johnson/Evinrude EN 2.3 thru 8 outboards Service Manual, Page 131Get this manual
2Dirt, foreign particles, and oil are very detrimental to contact performanceThe oils and acids from person's hand, even though clean, can cause contact resistanceOil deposits on the points will cause them to burn out after very short period of operationIf points need cleaning, use alcoholNEVER FILE POINTSreplace them3To remove any trace of dirt from contacts, insert strip of bias tape dipped in alcohol and work it up and down between the pointsRepeat entire cleaning procedure for second set of pointsBreaker Point Test f21 lt is possible to check the electrical condition of the points with tI an ohmmeterCalibrate the ohmmeter on the low ohms scale and connect one tester lead to the breaker assembly screw terminal Connect the second tester lead to the breaker assembly ground With the points open, the ohmmeter should read infinity With the points closed, the ohmmeter should read 0.5 ohm or less If your results vary, clean the points with alcohol and retestIf they still fail test, replace the pointsINote Never file points to obtain specificationsCondenser Tests The ignition analyzer provides three tests of condenser condition: leakage, resistance, and capacityThe condenser may be tested while mounted on the armature plate by disconnecting the lead from the breaker assemblyConnect one tester lead to the breaker plate (or the condenser mounting clipif test is made off the plate) and peel back protective sleeve to connect second tester lead to condenser lead The condenser should be replaced if it fails to meet any of the th ree tests IJl