1979 Evinrude Outboard V-6 Models Service Repair Manual Item No. 5431, Page 130Get this manual

1979 Evinrude Outboard V-6 Models Service Repair Manual Item No. 5431, Page 130

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GEARCASE PRESSUREVACUUM TESTS test gearcase sealing, proceed as fol1ows:
in an upright position

2 Removeoillevel and

drainfill plugs
3 Fill gearcase with HI- VIS