Yamaha F4A, Owner'S Manual

Page: 20 / 174

GB
1-6
EMU01429
GASOLINE (PETROL)
Standard Model
Unleaded fuel will give you longer spark
plug life and reduced maintenance costs.
If unleaded gasoline is not available, then
leaded regular gasoline (petrol) can be
used.
If leaded gasoline (petrol) is usually used,
engine valves and related parts should be
inspected after every 100 hours of opera-
tion.
Emission Control Model
NOTE:
If knocking or pinging occurs, use a differ-
ent brand of gasoline (petrol) or premium
unleaded gasoline.
EMU17690
ENGINE OIL
Recommended engine oil:
4-stroke motor oil with a combination of
corresponding SAE and API as shown in
the chart.
Recommended gasoline (petrol):
Regular unleaded gasoline (petrol)
Recommended gasoline (petrol):
Regular unleaded gasoline (petrol)
with a minimum octane rating of 91
(Research Octane Number)
SAE API
SE
SF
SG
SH
SJ
10W-30
10W-40
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