Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 228Get this manual
BEARING CARRIER ASSEMBLYINSPECTION 1Clean the assembly with suitable solvent and dry the parts thoroughly using compressed airInspect the clutch jaws of the gear for damageSurfaces must nol be chipped or rounded offReplace Ihe gear if any are found Note: If any of the following items are found to be defective
complete the appropriate instruction(s) in "Bearing Carrier Assembly", 'Component Disassembly and Inspection' section found on page 6A-13Inspect the bearing carrier for signs of excessive corrosion especially in the area where the bearing carrier
touches the gear housingIf excessive corrosion is evident replace the carrier,
a Reverse Gear Teeth Thrust Washer Surface Clu tch Jaws
Inspect the reverse gear bearing for excessive movement roughness by rotating gearReplace the bearing if either of these conditions existsInspect the bearing carrier retainer for racks andor broken or corroded threadsReplace carrier if any are found Remove the -ring from the bearing carrier assembly50314