Page 145 - LIT-18626-14-66

SportsBoat_F5K13.book Page 137 Tuesday, June 13, 2023 5:43 PM

Operation and handling requirements

Fuel requirement
Recommended fuel (except for 255XE):
Fuel
Regular unleaded gasoline with a
WARNING minimum octane rating of 86
(Pump octane number) = (R + M)/2
 Gasoline and gasoline vapors are ex-
90 (Research octane number)
tremely flammable. To avoid fires and
explosions and to reduce the risk of in-
Recommended fuel (255XE):
jury when refueling, follow these in-
Premium unleaded gasoline with a
structions.
minimum octane rating of 91 (Pump
 Gasoline is poisonous and can cause in-
octane number) = (R + M)/2 95 (Re-
jury or death. Handle gasoline with care.
search octane number)
Never siphon gasoline by mouth. If you
should swallow some gasoline, inhale a
lot of gasoline vapor, or get some gaso- Gasohol
line in your eyes, see your doctor imme- There are two types of gasohol: gasohol con-
diately. If gasoline spills on your skin, taining ethanol and that containing methanol.
wash with soap and water. If gasoline Gasohol containing ethanol can be used if
spills on your clothing, change your ethanol content does not exceed 10% and
clothes. the fuel meets minimum octane ratings. E-85
is a fuel blend containing 85% ethanol and
NOTICE therefore must not be used in this boat. All
 Do not use leaded gasoline. Leaded ethanol blends containing more than 10%
gasoline can seriously damage the en- ethanol can cause fuel system damage or en-
gines. gine performance problems.
 Avoid getting water and contaminants in Yamaha does not recommend gasohol con-
the fuel tank. Contaminated fuel can taining methanol because it can cause fuel
cause poor performance and engine system damage and engine performance
damage. Use only fresh gasoline that problems.
has been stored in clean containers. To fill the fuel tank:
 255XE: Use only gasoline with a mini- (1) Before refueling, turn off the engines.
mum pump octane number of 91 or a Never refuel while smoking, or while in
minimum research octane number of 95. the vicinity of sparks, open flames, or
Low-octane gasoline can seriously other sources of ignition.
damage the engine. (2) Refuel the boat in a well-ventilated area.
If the boat is in the water, be sure it is se-
255XE: Your Yamaha engine has been de- curely moored to the fueling dock. All
signed to use premium unleaded gasoline passengers must be out of the boat dur-
with a pump octane number [(R+M)/2] of 91 ing refueling.
or higher, or a research octane number of 95 (3) Press the fuel tank filler cap button, and
or higher. If knocking (or pinging) occurs, use then open the fuel tank filler cap.
a gasoline of a different brand.

137