Start-In-Gear Protection; Engine Oil Requirements; Fuel Requirements; Gasoline - Yamaha F25 Owner's Manual

Specifications and requirements
x -
1 2 3
1. Propeller diameter in inches
2. Propeller pitch in inches
3. Type of propeller (propeller mark)
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.
EMU31444

Engine oil requirements

Recommended engine oil:
YAMALUBE 4-M FC-W oil or 4-stroke
motor oil with a combination of the fol-
lowing SAE and API oil classifications
Engine oil type SAE:
10W-30 or 10W-40
Engine oil grade API:
SE, SF, SG, SH, SJ, SL
Total engine oil quantity (oil pan capaci-
ty):
Without oil filter replacement:
1.4 L (1.48 US qt, 1.23 Imp.qt)
With oil filter replacement:
1.6 L (1.69 US qt, 1.41 Imp.qt)
If the recommended engine oil grades are
not available, select an alternative from the
18
following chart according to the average
temperatures in your area.
ZMU04606
EMU36360
EMU36781

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. Yamaha re-
comends that you use alcohol-free (see
Gasohol) gasoline whenever possible.
Recommended gasoline:
Regular unleaded gasoline with a min-
imum Octane rating of 86 (Pump Oc-
tane Number) = (R+M)/2
ECM01981
NOTICE
Do not use leaded gasoline. Leaded
G
gasoline can seriously damage the en-
gine.
Avoid getting water and contaminants
G
in the fuel tank. Contaminated fuel can
cause poor performance or engine
damage. Use only fresh gasoline that

Fuel requirements