Instrument and control functions
5-21
5
ately. If gasoline spills on your skin,
wash with soap and water. If gaso-
line spills on your clothing, change
your clothes.
EAU86110
Your Yamaha engine was designed to
use premium unleaded gasoline. Con-
firm the pump octane number [(R+M)/2
method] is 91 or higher, or the research
octane number (RON) is 95 or higher. If
engine knocking or pinging occurs, use
a gasoline of a different brand or higher
octane rating.
Gasohol
There are two types of gasohol: gaso-
hol containing ethanol and that con-
taining methanol. Gasohol containing
ethanol can be used if the ethanol con-
tent does not exceed 10% (E10). Gas-
ohol containing methanol is not
recommended by Yamaha because it
can cause damage to the fuel system
or vehicle performance problems.
ECA11401
Use only unleaded gasoline. The use
of leaded gasoline will cause severe
damage to internal engine parts,
such as the valves and piston rings,
as well as to the exhaust system.
EAU86260
Fuel tank breather hose and
overflow hose
For U49 models
Recommended fuel:
Unleaded gasoline (E10 acceptable)
Octane number (R+M)/2:
91 or higher
Fuel tank capacity:
14 L (3.7 US gal, 3.1 Imp.gal)
Fuel reserve amount:
2.8 L (0.74 US gal, 0.62 Imp.gal)
1. Fuel tank breather hose
2. Fuel tank overflow hose
3. White mark
4. Clamp
UBAM10E0.book Page 21 Wednesday, November 4, 2020 11:05 AM
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