Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 429Get this manual
3Remove the cross pin that goes through the clutch dogRemove the reverse gear and slide the clutch off of the propeller shaft PROPELLER SHAFT ASSEMBLYCOMPONENT INSPECTION
1Clean all the parts with suitable solvent and dry the parts thoroughly using compressed air, being careful not to spin bearings2Inspect the sliding clutch jaws for damageJaws must not be chipped or rounded offReplace the clutch if they are (ratcheting assembly shown)50885
3Inspect the bearing surfaces on the propeller shaft where the needles of the bearing carrier needle bearing and the needles of the forward gear needle bearing rollReplace the propeller shaft if it is pitted, grooved, scored, worn unevenly, discolored from overheating, or has embedded particles