2007 Evinrude E-Tec 75, 90 HP outboards Service Manual, Page 283Get this manual
GEARCASE ASSEMBLY Retainer, PN 341438, to torque the pinion nut to 100 to 110 ftlbs(136 to 149 Nm)Housing must be completely seated to install retainer tabs
1Holding socket 2Pinion holder 3Retainer 42229 Retainer Tab Notch 50106a
Propeller Shaft Bearing Housing and Gear Installation
Oil and install thrust bearing and thrust washer on hub of reverse gearSlide the gear assembly onto the propeller shaft until it engages the pinion gear