Specifications and requirements
15
EMU41953
Engine oil requirements
Select an oil grade according to the average
temperatures in the area where the outboard
motor will be used.
If oil grades listed under Recommended en-
gine oil grade 1 are not available, select an al-
ternative oil grade listed under
Recommended engine oil grade 2.
Recommended engine oil grade 1
Recommended engine oil grade 2
EMU36361
Fuel requirements
EMU44820
Gasoline
Use a good quality gasoline that meets the
minimum octane rating. If knocking or ping-
ing occurs, use a different brand of gasoline
or premium unleaded fuel. Yamaha recom-
mends that you use alcohol-free (see Gaso-
hol) gasoline whenever possible.
ECM01982
Do not use leaded gasoline. Leaded
gasoline can seriously damage the en-
gine.
Avoid getting water and contaminants in
the fuel tank. Contaminated fuel can
cause poor performance or engine dam-
age. Use only fresh gasoline that has
been stored in clean containers.
Gasohol
There are two types of gasohol: gasohol con-
taining ethanol (E10) and that containing
methanol. Ethanol can be used if the ethanol
Recommended engine oil:
YAMALUBE 4 or 4-stroke outboard
motor oil
Recommended engine oil grade 1:
SAE 10W-30/10W-40/5W-30
API SG/SH/SJ/SL
Recommended engine oil grade 2:
SAE 15W-40/20W-40/20W-50
API SH/SJ/SL
Engine oil quantity (without oil filter
replacement):
7.5 L (7.93 US qt, 6.60 Imp.qt)
Engine oil quantity (with oil filter re-
placement):
7.8 L (8.24 US qt, 6.86 Imp.qt)
ZMU08143
122˚F
50˚C
104
40
86
30
68
SAE
API
SG
SH
SJ
SL
20
50
10
32
0
14
-10
-4
-20
10W–30
10W–40
5W–30
Recommended fuel:
Premium unleaded gasoline
Min. pump octane number (PON):
89
Min. research octane number (RON):
94
ZMU06855
122˚F
50˚C
104
40
86
30
68
SAE
API
SH
SJ
SL
20
50
10
32
0
14
-10
-4
-20
15W–40
20W–40
20W–50
U6KNK0E0.book Page 15 Monday, November 7, 2022 10:23 AM