1990 Johnson Evinrude "ES" Cross V 88 thru 115, 150 thru 175 Service Repair Manual, P/N 507874, Page 34Get this manual
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Tune-Up Procedure 1 Visually inspect engine for leaks, missing or loose parts, or other obvious defects
'" 4 Inspect and test ignition componentsSee Section 3
deteriorated or damage