2001-2002 Yamaha 50HP F50Z/T50Z Ouboard 4-stroke engines service manual, Page 7Get this manual
Safety while working 6Keep supply of clean, lint-free cloths for wiping up spills, etc
Good working practices
Special tools Use the recommended special tools to protect parts from damageUse the right tool in the right manner-do not improvise862Y1160
Install bearings with manufacture identification mark in the direction indicated in the installation procedureIn addition, be sure to lubricate the bearings liberallyApply thin coat of water-resistant grease to the lip and out periphery of an oil seal before installationCheck that moving parts operate normally after assemblyTightening torques Follow the tightening torque specifications provided throughout the manualWhen tightening nuts, bolts, and screws, tighten the large sizes first, and tighten fasteners starting in the center and moving outwardNon-reusable parts Always use new gaskets, seals, O-rings, cotter pins, circiips, etc when installing or assembling parts862Y1150