1999 "EE" Evinrude 70HP 4-Stroke Service Repair Manual, P/N 787023, Page 143Get this manual

1999 "EE" Evinrude 70HP 4-Stroke Service Repair Manual, P/N 787023, Page 143

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Cleaning and Inspection
4 Check the exhaust housing for distortion Place the housing on surface plateUsing dial indicator, check flatness by measuring the run -out on the top edge of the housing