1998 Johnson Evinrude "EC" 90, 100C, 105C, 115, 150, 150C, 175 60 deg. LV Service Repair Manual, P/N 520210, Page 86Get this manual
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Manual Primer Servicing
6 Inspect primer nipple to ensure nipple is free of obstructionsUse OMC Nipple Cleaning Tool, PI 326623, to clean the metering hole in nipple7 If primer pump fails