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propeller with a counter rotation motor, or
a counter rotation propeller with a stan-
dard motor. Otherwise the boat could go
in the direction opposite of that expected
(for example, reverse instead of forward),
which could lead to an accident.
For instructions on propeller removal and in-
stallation, see page 65 and 65.
EMU25770
Start-in-gear protection
Yamaha outboard motors or Yamaha-ap-
proved remote control units are equipped with
start-in-gear protection device(s). This feature
permits the engine to be started only when it
is in neutral. Always select neutral before
starting the engine.
EMU41951
Engine oil requirements
Select an oil grade according to the average
temperatures in the area where the outboard
motor will be used.
Recommended engine oil:
4-stroke outboard motor oil
Recommended engine oil grade 1:
SAE 10W-30/10W-40/5W-30
API SE/SF/SG/SH/SJ/SL
Recommended engine oil grade 2:
SAE 15W-40/20W-40/20W-50
API SH/SJ/SL
Total engine oil quantity (oil pan capaci-
ty):
5.6 L (5.92 US qt, 4.93 Imp.qt)
Replacement engine oil quantity (at peri-
odic maintenance):
Without oil filter replacement:
4.5 L (4.76 US qt, 3.96 Imp.qt)
With oil filter replacement:
4.7 L (4.97 US qt, 4.14 Imp.qt)
If oil grades listed under Recommended en-
gine oil grade 1 are not available, select an al-
ternative
oil
Recommended engine oil grade 2.
Specifications and requirements
[EWM01810]
grade
listed
Recommended engine oil grade 1
-4
14
-20
-10
Recommended engine oil grade 2
-4
14
-20
-10
EMU36360
Fuel requirements
EMU43940
Gasoline
Use a good quality gasoline. If knocking or
pinging occurs, use a different brand of gaso-
line or premium unleaded fuel.
Recommended gasoline:
Regular unleaded gasoline with a
minimum octane rating of 90 (Re-
search Octane Number).
ECM01981
NOTICE
Do not use leaded gasoline. Leaded gas-
G
oline can seriously damage the engine.
under
SAE
32
50
68
86
0
10
20
30
10W–30
10W–40
5W–30
SAE
32
50
68
86
0
10
20
30
15W–40
20W–40
20W–50
API
104
122˚F
40
50˚C
SE
SF
SG
SH
SJ
SL
ZMU06854
API
104
122˚F
40
50˚C
SH
SJ
SL
ZMU06855
11
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