Engine Oil Requirements; Fuel Requirements; Gasoline; Muddy Or Acidic Water - Yamaha F2.5A Owner's Manual

maximum load but remember that you may
need to reduce your throttle setting to stay
within the recommended engine speed range
when carrying lighter loads.
To check the propeller, see page 45.
1. Propeller diameter in inches
2. Propeller pitch in inches
3. Type of propeller (propeller mark)
EMU35096

Engine oil requirements

Recommended engine oil:
4-stroke motor oil with a combination
of the following SAE and API oil clas-
sifications
Engine oil type SAE:
10W-30 or 10W-40
Engine oil grade API:
SE, SF, SG, SH, SJ, SL
Engine oil quantity:
0.4 L (0.42 US qt, 0.35 Imp.qt)
If the recommended engine oil grades are not
available, select an alternative from the fol-
lowing chart according to the average temper-
atures in your area.
Specifications and requirements
x
-
1 2 3
ZMU04604
EMU36360

Fuel requirements

EMU36802

Gasoline

Use a good quality gasoline that meets the
minimum octane rating. If knocking or pinging
occurs, use a different brand of gasoline 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.
Avoid getting water and contaminants in
G
the fuel tank. Contaminated fuel can
cause poor performance or engine dam-
age. Use only fresh gasoline that has
been stored in clean containers.
EMU36880

Muddy or acidic water

Yamaha strongly recommends that you have
your dealer install the optional chromium-plat-
ed water pump kit if you use the outboard mo-
10