2005+ Mercury Verado 4 Stroke 200/225/250/275 6 gear housing Service Manual, Page 161Get this manual
Left Hand Rotation cMove remote control into reverse gear position; propeller shaft should rotate counterclockwise and then lock (no ratcheting motion) IMPORTANT: If shifting operation is not as described, preceding, the gear housing must be removed and the cause corrected13Install remaining washers and nuts onto drive shaft studs and torque to specificationDescription Gearcase attaching nut (2 each side) Nm 75 lbinlbft55
14Torque screw (started in Step 10) to specificationDescription Screw (M12 35) Nm 75 lbinlbft55
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 installedand while holding trim tab, torque screw to specification