Illustration of a 2012 Evinrude E-TEC lower unit showing the upper lubricant level plug and lower gear oil drain/fill plug.

How to Change 2012 Evinrude E-TEC Lower Unit Oil 115–200 HP

Quick Answer: How to Change Evinrude E-TEC Lower Unit Oil To change the lower unit oil on a 2012 Evinrude E-TEC 115–200 HP, position the outboard vertically and check the existing oil level. Remove the upper lubricant level plug and lower drain/fill plug, then drain and inspect the old oil. Pump approved marine gearcase lubricant

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