2005+ Mercury Verado 4 Stroke 200/225/250/275 6 gear housing Service Manual, Page 82Get this manual
Right Hand Rotation IMPORTANT: If shifting operation is not as described, preceding, the gear housing must be removed and the cause corrected 13Install remaining washers and nuts onto drive shaft studs and torque to specificationDescription Gearcase attaching nut (2 each side)
14Torque screw (started in Step 10) to specificationDescription Screw (M 12 35)
15Position trim tab or anodic plate in gear housingAlign grooves of trim tab with ribs in trim tab pocketAdjust to position in which it had previously been installed, and while holding trim tab, torque screw to specification