7
Fuel Recommendations
Today’s fuels have a short shelf life and it is recommended you buy no more than a two week
supply at a time.
GASOLINE
Tecumseh Power Company strongly recommends the use of fresh, clean, unleaded regular gasoline in
all Tecumseh engines. Unleaded gasoline burns cleaner, extends engine life, and promotes good starting
by reducing the build-up of combustion chamber deposits. Leaded gasoline, gasohol containing no more
than 10% ethanol, premium gasoline, or unleaded gasoline containing no more than 15% MTBE (Methyl
Tertiary Butyl Ether), 15% ETBE (Ethyl Tertiary Butyl Ether) or 10% ethanol, can be used if unleaded
regular gasoline is not available.
Reformulated gasoline that is now required in several areas of the United States is also acceptable.
NEVER USE gasoline, fuel conditioners, additives or stabilizers containing methanol, gasohol containing
more than 10% ethanol, unleaded regular gasoline containing more than 15% MTBE (Methyl Tertiary Butyl
Ether), 15% ETBE (Ethyl Tertiary Butyl Ether) or 10% ethanol, gasoline additives, or white gas because
engine/fuel system damage could result.
SPECIALTY FUELS
Fuels being marketed for use on small engines can have a significant effect on starting and engine
performance. Prior to using any specialty fuel, the Reid Vapor Pressure (RVP) must be determined. Fuels
with a rating of less than 50kPa (7psi) should not be used in summer, and fuel with a rating of 85kPa
(12psi) should not be used during winter.
SHORT TERM STORAGE
NEVER store the engine with fuel in the fuel tank inside a building with potential sources
of ignition such as hot water and space heaters, clothes dryers, electric motors, etc.
If
engine fuel stored in the gas tank and/or an approved gas container is to be unused without gasoline
stabilizer for more than 15-30 days, prepare it for short term/seasonal storage.
T
ecumseh recommends using UL
TRA-FRESH™ or Fuel Saver Plus Gasoline Stabilizer plus Fuel System
Cleaner as an acceptable method of minimizing formation of fuel gum deposits during storage. This product
is available from your Authorized Tecumseh Servicing Dealer.
Always follow mix ratio found on stabilizer container. Failure to do so may result in equipment damage.
It is not necessary to drain stabilized gas from carburetor.
FUEL
TREATMENT
1. Add fuel stabilizer according to manufacturer’s instructions.
2. Run engine at least 10 minutes after adding stabilizer to allow it to reach carburetor.
3. Instead of using a fuel preservative/stabilizer, you can empty the fuel tank as described under "Extended
Storage”.
another free manual from www.searstractormanuals.com
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