Fuel Requirements; Gasoline - Yamaha F20G Owner's Manual

Specifications and requirements
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):
1.0 L (1.0 US qt, 0.85 Imp.qt)
Engine oil quantity (with oil filter re-
placement):
1.1 L (1.2 US qt, 1.0 Imp.qt)
If oil grades listed under Recommended en-
gine oil grade 1 are not available, select an
alternative oil grade listed under Recom-
mended engine oil grade 2.
Recommended engine oil grade 1
SAE
-4 14 32 50
-20 -10 0 10
10W–30
10W–40
5W–30
Recommended engine oil grade 2
SAE
-4 14 32 50
-20 -10 0 10
15W–40
16
API
68 86 104 122˚F
20 30 40 50˚C
SG
SH
ZMU06854
API
68 86 104 122˚F
20 30 40 50˚C
SH
20W–40
20W–50
ZMU06855
EMU36361

Fuel requirements

EMU40203

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.
Recommended fuel:
Regular unleaded gasoline
Min. research octane number (RON):
90
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
damage. Use only fresh gasoline that
SE
SF
has been stored in clean containers.
SJ
SL
E5
TIP:
SJ
This mark identifies the recommended fuel

SL
for this outboard motor as specified by Eu-
ropean regulation (EN228).
Check that gasoline nozzle has the same

identifier when fueling.
E10