TOHATSU MFS 9.9 Owner's Manual page 199

Lower Unit
Apply grease to propeller shaft 3.
5.
Attach thrust holder 4, propeller 5, washer 6 and propeller
6.
nut to propeller shaft 7. Put a piece of wooden block
between anti-cavitation plate and propeller to prevent
rotation of propeller, and tighten propeller nut to specified
7. Turn propeller nut to tightening direction to align one of
grooves to propeller shaft hole, and attach split pin 8.
If propeller nut groove cannot be aligned with
split pin hole, loosen nut and repeat steps 6 and
7.
Propeller Nut 7 :
12 N · m (9 lb · ft) [1.2 kgf · m]
8. Check gear oil level. "Refer to Chapter 3."
Perform "Inspection of Lower Unit (Air Leakage)"
in Chapter 3 if necessary.
6-30
8
5
6
4
3
OBM OBM
OBM
7
4st 9.9/15/20 2008