2005+ Mercury Verado 4 Stroke 200/225/250/275 6 gear housing Service Manual, Page 132Get this manual
Left Hand Rotation 5Verify the spool has end playIf it does not, readjust the castle nut again ob01646
aShift shaftSpool
Shift Spool End Play
cCastle nutCotter pin
0.05 mm0.25 mm (0 .0020.010 in
6If this adjustment did not produce the desired results it will be necessary to disassemble, clean, and reassemble the shift spool assemblyIf the spool assembly has already been disassembled and cleaned it will be necessary to replace the shift spool assembly
Propeller Shaft Reassembly
1Install the sliding clutch on the propeller shaftAlign cross pin holes in the clutch with the slot in the propeller shaft2Assemble the reverse gear assembly to the propeller shaft3Assemble the shift spool assembly to the propeller shaft, making 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 hole5Install detent pin in third hole in clutch