Occasionally you may hear lighi "spark knock" or "pinging", (metallic rapping noise) while operating under heavy loads. This
is
no
cause !or
concern.
If
spark knock or pinging occurs at a steady engine speed, under normal load, change brands of gasoline.
If
spark knock or pinging persists, see
an
authorized MP generator dealer.
I NOTICE I
Running
the
engine
with
persisient
spark
knocl<
or
pinging
can cause
engine
damage.
Runing the engine with persisient spark lmock or pinging is misuse, and the Disiributor's Limited Warranty does not cover parts damaged
by
misuse.
Oxygenated Fuels
Some gasolines are being blended with alcohol or
an
ether compound
to
increase the octane. These gasolines are collectively referred
to
as
oxygenated fuels. Some areas of the United States use oxygenated fuels
to
help meet clean air standards.
If
you
use
an
oxygenated
fuel,
be
sure its pump octane rating
is
86
or higher.
Ethanol (ethyl
or
grain
alcohol)
Gasoline containing more than 10% ethanol
by
volume may cause siarting and/or performance problems. Gasoline containing ethanol may be
marketed under
the
name "Gasohol".
Methanol (meUiyi
or
wood
alcohol)
Gasoline containing methanol must contain cosolvents and corrosion inhibitors
to
protect the fuel system. Gasoline containing more than 5%
methanol
by
volume may cause starting and/or performance problems and may damage metal, rubber and plastic parts of your fuel system.
MTBE (methyl
tertiary
butyl ether)
Your
may use gasoline contining
up
to 15% MTBE
by
volume.
Before using
an
oxygenated fuel, try
to
confirm the fuel's contents. Some states require this information
to
be
posted
on
the pump.
If
you
notice
any undesirable operating symptoms, switch to a conventional unleaded
gaso-line. Fuel system damage or performance problems resulting
from the use of
an
oxygenated fuel are not the responsibility of factory and are not covered under warranty.
I NOTICE I Oxygenated fuels can deimage
paint
mul
plasiic.
Se
carelul
not
to
spill
fuel when
filling
your
fuel
lank.
Damage caused
by
spilled
fuel
is
not
covered
under
warranty.
20
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