TOHATSU 40B2 Owner's Manual page 75

Replacing gear oil
WARNING
!
● Be sure that outboard motor is secured
to transom or service stand, or
accidental drop or fall of outboard motor
could lead to severe personal injury.
● Be sure to lock outboard motor if it is
tilted up, or accidental fall of outboard
motor could lead to severe personal
injury.
● Do not go under outboard motor tilted
up and locked, or accidental fall of
outboard motor could lead to severe
personal injury.
① Remove the oil plugs (upper and
lower), and completely drain the
gear oil into a pan.
30 · 40 · 50
Upper
oil plug
Lower
oil plug
② Insert the oil tube nozzle into the
lower oil plug hole, and fill with
gear oil by squeezing the oil tube
until oil flows out of the upper plug
hole.
30 · 40 · 50
Upper
oil plug
hole
Lower
oil plug
Oil tube nozzle
75 · 90 · 115 [W50]
75 · 90 · 115 [W50]
INSPECTION AND MAINTENANCE
③ Install the upper oil plug, and then
remove oil tube nozzle and install
the lower oil plug.
30 · 40 · 50
Upper
oil plug
Lower
oil plug
CAUTION
!
Do not reuse oil plug gasket. Always
use new gasket and tighten oil plug
properly to prevent entry of water into
lower unit.
Notes
If water in the oil, giving it a milky
colored appearance. Contact your
dealer.
Notes
Use only genuine or recommended
gear oil or, if not available, an API
(American Petroleum Institute) oil
grade of GL5 SAE #80~SAE#90.
Required volume
: 30, 40, 50 approx. 500mL (16.89
U.S. fluid oz)
: W50 approx. 700mL (23.65 U.S
fluid oz)
: 75, 90, 115 approx. 900mL (30.40
U.S fluid oz)
75
75 · 90 · 115 [W50]
10