Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 245Get this manual
SHIFT SHAFT ASSEMBLYCOMPONENT REASSEMBLY
Pinion Bearing
REMOVAL Note: Inspect the bearing surface on the drive shaft where the needles of the lower pinion bearing rollThe condition of the drive shaft at Ihis location gives an indication of the condition of the needle bearingReplace lower pinion bearing (needles and race as set) if the drive shaft is pittedgrooved scoredworn unevenly, discolored from overheatingor has embedded particlesIMPORTANT: All the needle bearings (18) MUST BE in place inside bearing race while driving the pinion bearing from the gear housing IMPORTANT: Do not reuse the bearing (race or rollers) once it has been removed1Remove and discard the pinion bearing (race and rollers) using tools as shown
Note: Complete the instructions in this section only if the assembly components have been disassembled and repaired or replaced 1Lightly lubricate the seats of the Oring diameters on the bushing and the lip of the oil seal with Special Lubricant 101 (92-13872Al )