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Combustion Deposits
We recommend that after every 100-300 hours you have an authorized Briggs & Stratton Service Dealer remove
combustion deposits from the cylinder, cylinder head, top of piston, and around valves.
Muffler
Replacement parts for the muffler must be the same
and installed in the same position as the original parts,
otherwise fire can occur.
WARNING
Fuel System
Drain fuel tank or close fuel shut-off valve before
replacing fuel filter. Otherwise, fuel can leak out
creating a fire/explosion hazard.
Replacement parts for fuel system (cap, hoses, tanks,
filters, etc.) must be the same as original parts,
otherwise fire can occur.
WARNING
Air Cooling System
Over time debris may accumulate in cylinder cooling fins and cannot be observed without partial engine disassembly. For
this reason, we recommend that you have an authorized Briggs & Stratton Service Dealer clean the air cooling system
per recommended intervals. Equally important is to keep top of engine free from debris. See Cleaning Debris section.
Cleaning Debris
Daily or before every use, clean grass, chaff or
accumulated debris from engine. Keep linkage, spring
and controls clean. Keep area around and behind
muffler free of any combustible debris.
Keeping engine clean allows air movement around
engine.
Engine parts should be kept clean to reduce the risk of
overheating and ignition of accumulated debris. This is
especially important if cutting tall grass.
On string trimmer applications clean accumulated
debris at each refueling, sooner if needed.
Clean all areas shown below.
Do not use water to clean engine parts. Water
could contaminate fuel system. Use a brush or dry
cloth.
CAUTION
WARNING
Finger Guard
Linkage, Springs
& Controls
Muffler Area & Spark Arrester
Carburetor Adjustment
The carburetor on this engine is not adjustable.
Electric Start Engine
Follow equipment manufacturer’s recommendation for
charging battery.
The manufacturer of the equipment on which
this engine is installed specifies top speed at
which the engine will be operated. DO NOT
EXCEED this speed.
WARNING