Mercury Mariner 200, 225 Optimax Outboards Service Manual, 90-855348, Page 433Get this manual
SHIFT SPOOL ASSEMBLY (RATCHETING)COMPONENT DISASSEMBLY NOTE: Disassembly of the shift spool is for cleaning and inspection of the internal parts of the assembly due to an improperly functioning shift spool assembly or debris in the gear housing andor shift spool assemblyIndividual components for the shift spool are not available as replacement partsIf the shift spool does not function properly (see the preceding "Shift Spool Assembly -Inspection" section) and the following cleaning and adjustment procedures do not produce the desired results, it will be necessary to order new shift spool assembly1Disassemble the shift spool assembly as follows: aRemove and discard the cotter pinbRemove the castle nut and the spoolcClamp the spool in vice being careful not damage the spool
SHIFT SPOOL ASSEMBLY (RATCHETING)COMPONENT REASSEMBLY
1Assemble the shift spool and shift spool shaft as follows: aPlace the shift spool onto the shift spool shaftbAssemble the first washer, then the spring, then the second washer into the shift spoolcApply Loctite 271 (92-809820) to the first three threads of the spoolThread the retainer onto the spool and tighten the retainer securely with pair of pliers