Mercury Mariner Outboard 225 3 Litre Service Manual 1994, Page 243Get this manual
Propeller Shaft Assembly COMPONENT REASSEMBLY Note: Complete the instructions in this section only if the assembly components have been disassembled and repaired or replaced1Install the sliding clutch on the propeller shaftAlign
Shift Shaft Assembly
REMOVAL Note: It is possible to remove and service the shift shaft assembly (but not the shift crank inside the gear case) without removing any of the internal components of the gear housing 1Remove the shift shaft bushing screws, and remove the shift shaft and bushing by pulling both straight out of gear housing
cross pin holes in the clutch with the slot in the propeller
shaftThe grooved end of the clutch should be facing the propeller end of the shaft2Assemble the forward gear assembly to the propeller shaftAssemble the shift spool assembly to the propeller
shaft being sure to align the cross pin hole of the shift spool shaft with the clutch
4Assemble the cross pin through the sliding clutch,
through the propeller shaft and through the shift spool shaft hole