Recommended Engine Oil - TOHATSU MFS 25B Owner's Manual

22 PRE-OPERATING PREPARATIONS
and also accelerate rusting of engine parts.
Mixing of the moisture in the engine oil
can also deteriorate the properties of the
1
lubricant.
If the use of gasoline containing alcohol
2
is inevitable, or presence of alcohol is
suspected in the gasoline, it is strongly
recommended to add a filter that has water
3
separating capability, and check the fuel
system for leaks and mechanical parts
for corrosion and abnormal wear more
4
frequently.
And, in case any of such abnormality is
5 found, discontinue the use of such gasoline
and contact our dealer immediately.
Damages resulting from the use of gasolines
6
that contain alcohol are not covered under
the limited warranty.
Fuel tank capacity :
7
25 liters (6.6 U.S. gal)---for 30, 40, 50
Fuel Tank : W hen using a fixed fuel
tank in place of genuine fuel tank, it is
8
recommended to select a one with a
structure facilitating interior cleaning.
9
!
Do not fill the fuel tank over capacity. The
10
rise of gasoline temperature may cause
gasoline to expand which, if overfilled,
may leak through air vent screw when it
is open. Leaking gasoline is a dangerous
11
fire hazard.
12

2. Recommended engine oil

13
Use only high quality 4-stroke engine oil to
insure performance and prolonged engine
14
WARNING
life.
Use NMMA FC-W certified 4-stroke engine
oil below.
10W-30: is recommended for use in all
temperature.
25W-40: may be used at temperatures
above 4˚C (40˚F).
You can also use oils that carry the API rating
of SF, SG, SH, SJ, SL, or SM. Select the
appropriate viscosity, based on atmospheric
temperature, from the chart below.
20W−40, 20W−50
15W−40, 15W−50
ENGINE
OIL
10W−40, 10W−50
10W−30
-30 -20 -10 0
-22 -4 14 32
Atmospheric temp.
CAUTION
!
The engine oil is drained for shipping
from the factory. Be sure to fill the
engine to the proper level before
starting engine. (To properly fill the
engine with oil follow the instructions in
section 9 of this manual)
Note
Use of engine oils that do not meet
these requirements will result in
reduced engine life, and other engine
problems.
10 20 30 40 ˚C
50 68 86 96 ˚F