Briggs & Stratton 14FB Lawn Mower User Manual

FORM MS-6445-01/03
Failure to select the correct engine could
result in fire or explosion.
Some engines are unique and designed for specific applications
or types of equipment. If this engine will be used to build new
equipment, contact Briggs & Stratton to ensure that the engine is
appropriate for the intended use.
Note: For all Go-karts use only a model 136200 series en-
gine, which offers improved safety and performance.
Replacement engines should be the same model as the original
engine, or be the Briggs & Stratton designated replacement
engine. Refer to the Operation & Maintenance Instructions for
engine identification information.
Note: For all Go-karts use only a model 136200 series en-
gine, which offers improved safety and performance.
Do not use Briggs & Stratton engines on 3-wheel All-Terrain
Vehicles (ATVs), motor bikes, air craft products, or vehicles
intended for use in competitive events. Briggs & Stratton does not
approve of or authorize such uses.
[1] Do not attempt to install this engine if you do not have the
appropriate tools and knowledge of small engine installation
procedures. Use only Briggs & Stratton parts. Contact your
Authorized Service Dealer for assistance.
[2] Do not modify the engine in any way without Briggs & Stratton
factory approval. Any such modification is at the owner’s sole
[3] If the exhaust system on the old engine was supplied by the
equipment manufacturer, you must transfer the exhaust
system and related components (original muffler and related
pipes, brackets, clamps, and shields) to the new engine. All
components must be in good condition.
Install muffler (and muffler de-
flector if used) so outlet points
away from operator, fuel tank,
and equipment, and so muffler
heat will not damage or deform
engine and components.
Ensure all fuel lines and fittings
are properly assembled and do
not leak. Replacement parts
must be the same model as the
Ensure all wiring, including safe-
ty switches and engine shut-off
components are completely
installed and functioning proper-
[7] Set engine speed to equipment manufacturer’s specification.
Refer to equipment manufacturer’s manual. Do not tamper with
governor springs, or other parts that will increase engine speed
above specification.
All engine parts, including fuel
cap, spark plug, muffler, air
cleaner, and covers and guards
for drive components (gears,
belts, shafts, couplings, etc.)
must be in place before attempt-
ing to start engine.
If engine is installed on walk
behind lawn mower, all mower
components, including cutting
blade, must be correctly
installed before attempting to
start engine.
When working on the engine or
equipment, remove spark plug
wire from spark plug. For electric
start, remove negative wire from
Do not check for spark with
spark plug removed. Use Briggs
& Stratton spark tester #19368.
When adding fuel:
Turn engine off and let engine cool at least 2 minutes before
removing gas cap.
Fill fuel tank outdoors or in well-ventilated area. Fill tank to about
1 inch below lowest portion of neck to allow for fuel expansion.
Keep gasoline away from sparks, open flames, pilot lights, heat,
and other ignition sources.
When starting engine:
Remove all external equipment/engine loads.
Wait until spilled fuel is evaporated. Start engine outdoors.
Pull cord slowly until resistance is felt, then pull rapidly.
If engine floods, set choke to OPEN/RUN, place throttle in FAST
and crank until engine starts.
When operating equipment:
Do not tip engine or equipment at angle which causes gasoline to
Run engine outdoors. Do not run in enclosed area, even if doors
or windows are open.
Do not choke carburetor to stop engine.