2005 SO Johnson 4 Stroke 9.9-15HP Outboards Service Manual, Page 201Get this manual
GEARCASE WATER PUMP Move the shift lever from NEUTRAL through FORWARD and REVERSE to check that proper engagement of both gears is at an equal angle from NEUTRAL
WAT ER PUMP
Disassembly
Remove gearcase from exhaust housing as described in REMOVAL AND INSTALLATION on
p.200Remove the four water pump housing screwsRemove the impeller housing and impeller by sliding them up and off the drives haft