1989 Johnson/Evinrude Outboards 88 thru 110 150 thru 175 models Service RepaIr Manual P/N 507757, Page 341Get this manual
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Motor Test, No Load INotel Scurel.y fasten motor in suitabIe fixture before proceeding wlth thls test
121,DR2=259
GREEN lead
7 Service the motor if your tes1 results vary