TOHATSU MFS 30B Owner's Manual page 55

Notes
Your outboard motor should receive
careful, and complete inspection at
300 hours. This is the best time for
major maintenance procedures to be
carried out.
Replacing engine oil
Engine oil mixed with dust or water
will dramatically shorten the life of the
engine.
To change engine oil:
Stop the engine and set it in a tilted
position.
Remove the top cowl and oil filler
cap. Allow it to cool.
Turn the steering on the outboard
motor so that the drain hole is
facing downward.
Put a oil drain pan under the oil
drain screw.
Remove the oil drain screw and
completely drain oil from the
engine.
Tighten the oil drain screw.
Reset the engine in a vertical
position.
Fill the engine through filler port
with recommended oil (see chart
below) to the upper dipstick mark.
Tighten the oil filler cap.
Filler port
Drain hole
INSPECTION AND MAINTENANCE
Yo u c a n a l s o u s e N M M A F C - W
certified 4-stroke outboard oil below.
10W-30: is recommended for use in
all temperature.
25W-40: may be used at temperatures
above 4˚C (40˚F).
20W−40, 20W−50
15W−40, 15W−50
ENGINE
OIL
10W−40, 10W−50
10W−30
-30 -20 -10 0 10
-22 -4 14 32 50
Atmospheric temp.
�������
!
Use of engine oils that do not meet
these requirements will result in reduced
engine life, and other engine problems.
Oil volume needed for
complete oil replacement
With oil filter
replacement
Upper limit 1,800ml
(Max.) (1.90 US qt.)
Lower limit 1,500ml
(Min.) (1.58 US qt.)
55
20 30 40 ˚C
68 86 96 ˚F
10
Without
oil filter
replacement
11
1,600ml
(1.69 US qt.)
1,300ml
12
(1.37 US qt.)
13
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