2007 Evinrude E-Tec 75, 90 HP outboards Service Repair Manual P/N 5007211, Page 267Get this manual
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GEARCASE DISASSEMBLY
Remove wedge, screw, and washer ("O" Type)
Pinion Gear and Driveshaft Removal
Position the shift rod to move the clutch dog as far forward as possibleThis