2005+ Mercury Verado 4 Stroke 200/225/250/275 6 gear housing Service Manual, Page 64Get this manual
Right Hand Rotation
Driveshaft and Pinion Gear Installation
NOTE: If the original shims were not retained or if pinion gear, driveshaft, driveshaft upper tapered roller bearing and cup, or gear housing were replaced, start off by installing 0.508 mm (0.020 in shim, for the lower tapered roller bearingNOTE: If the original shims were retained (or measurement known) and none of the above listed parts were replaced, reinstall the same shims or same amount of shims
1Place the lower tapered bearing shims into the driveshaft housing bore2Install lower tapered bearing race into the driveshaft housing bore3Install spacer (flanged end faces down)
aSpacerTapered bearing race
4Apply Loctite 271 to the threads of the pinion gear nut and place the pinion gear nut into the MR slot of the pinion nut adapterTube Ref NoDescription Loctite 271 Threadlocker Where Used Pinion gear nut threads Part No92-809819
NOTE: Install the pinion gear nut with the flat side of the nut away from the pinion gearNOTE: For ease of installation, glue the washer to the pinion gear, using 3M Adhesive, or Bellows Adhesive, or equivalentNOTE: If the backlash may have to be changed, it is recommended that Loctite 271 not be applied to the pinion nut until the backlash setting is finalizedDo not reuse the old pinion nutInstall new pinion nut after backlash is finalized