1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 293Get this manual
cShifting too slowly 4Use suitable mandrel to press ne edle be aring out of forward ge ar
3Inspect propeller shaft forward ge ar be aring surface to determine condition of forward ge ar ne edle be aringIf be aring surface is discolored (from lack of lubricant), pitted or worn, propeller shaft and be aring should be replaced