Yamaha F40C - Page 20

EMU01809
GASOLINE
If knocking or pinging occurs, use a differ-
ent brand of gasoline or premium unlead-
ed fuel.
1-6
GB
Recommended gasoline:
Regular unleaded gasoline with a
minimum octane rating of 90
(Research Octane Number)
EMU01769
ENGINE OIL
Recommended engine oil:
4-stroke motor oil with a combination of
corresponding SAE and API as shown in
the chart.
cC
All 4-stroke engines are shipped from the
factory without engine oil.
Engine oil quantity:
See Chapter 4, “Specifications.”
001162
SAE API
SE
SF
SG
SH
SJ
10W-30
10W-40
62Y-9-7C (E,F,ES) 1 3/29/02 10:56 AM Page 18