Zenoah BCX2600S - Manual (Page 16)

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Old fuel is usually the main reason for the unit not
running properly. Be sure to use fresh, clean,
unleaded fuel.
Alcohol-blended fuel absorbs moisture (water). As
little as 1% moisture in the fuel can cause it to
separate and form acids when stored. If this type of
fuel must be used, use fresh fuel (less than 60
days old).
■ DEFINITION OF BLENDED FUELS
Today's fuels are often a blend of gasoline and one
or more oxygenates such as ethanol, methanol or
MTBE (ether).
■ USE OF BLENDED FUELS
If you choose to use a blended fuel or its use is
unavoidable, the following precautions are
recommended.
1. Always use fresh unleaded fuel per your
operator's manual.
2. Use the special additive STA-BIL ® or an
equivalent.
3. Always agitate the fuel mix before fueling the
unit.
4. Drain the tank and run the engine dry before
storing the unit.
■ USE OF FUEL ADDITIVES
The use of fuel additive, such as STA-BIL® Gas
Stabilizer or an equivalent, will inhibit corrosion and
minimize the formation of gum deposits. Add 0.8oz
(23ml) per gallon of fuel per instructions on
container. NEVER add fuel additives directly to the
unit's fuel tank. Using a fuel additive can keep fuel
fresh for up to six(6) months.
NOTE
7. Oil / Fuel