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FUEL
TYPE OF FUEL TO USE
• Use clean, fresh, regular unleaded gasoline with a
minimum of 77 octane. Fresh fuel prevents gum from
forming in the fuel system or on essential carburetor parts.
Purchase fuel in quantity that can be used within 30 days.
• Do not use gasoline which contains Methanol.
• Do not mix oil with gasoline.
• For engine protection use Briggs & Stratton Gasoline
Additive available from your Authorized Briggs &
Stratton Dealer (P/N 5041 or single use pouch).
ADDING FUEL
WARNING
Note: Remove and discard blue plug in fuel fill.
[1] Fill fuel tank outdoors or in well-ventilated area,
away from sparks, open flames, pilot lights, heat,
and other ignition sources.
[2] If fuel spills, wait until it evaporates before starting
engine.
[3] Turn engine OFF and let engine cool at least 2
minutes before removing gas cap.
STARTING
WARNING
• Do not use pressurized starting fluids.
• Vapors are flammable.
STARTING AND OPERATING TIPS
♦ Store and fuel equipment in level position.
♦ Use fresh fuel. (See Fuel.)
♦ Use correct type of oil for expected starting
temperature. (See Oil.)
♦ Remove external equipment/engine loads. (See
equipment operating instructions.)
♦ Start lawn mower on hard surface or over previously
cut grass.
• This engine is certified to operate on gasoline. Exhaust
Emission Control System: EM (Engine Modifications).
CAUTION: Some fuels, called oxygenated or reformu-
lated gasoline, are gasoline blended with alcohols or
ethers. Excessive amounts of these blends can damage
the fuel system or cause performance problems. If any
undesirable operating symptoms occur, use gasoline
with a lower percentage of alcohol or ether.
Fuel Fill
[4] Remove cap. Fill tank to approximately 1-1/2 inches
below top of neck to allow for fuel expansion. Be
careful not to overfill.
Briggs & Stratton Smart-fill fuel can fills to the
correct level and automatically shuts off, reducing
spills and emissions.
[5] Replace cap before starting.
CAUTION
If engine is tipped to transport equipment, remove grass,
drain oil, etc., keep spark plug side of engine up.
Tipping engine with spark plug down may cause:
• Smoking,
• Hard starting,
• Spark plug fouling,
• Oil saturation of air filter.
♦ Periodically remove grass buildup under mower
deck. (See Maintenance.)
♦ After engine has started, let it warm up several
seconds to several minutes, depending on outside
temperature.
♦ For maximum performance and life, operate engine
with choke (if equipped) in RUN and throttle in FAST.
8
KEEP SPARK PLUG UP
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