1998 Johnson Evinrude "EC" 40 thru 55 2-Cylinder Service Repair Manual, P/N 520206, Page 88Get this manual
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Manual Primer Servicing
6 Inspect primer nipple to ensure nipple is free of obstructionsUse OMC Nipple Cleaning Tool, PIN 326623, to clean the metering hole in nipple7 If primer pump fail