Simplicity 083412-0106-01 Operator's Manual

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Model Series 83400
Operating and Maintenance Instructions for
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272317-
FORM NO
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Briggs & Stratton Corporat
Milwaukee
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iggs & Stratton Corporat
ight 1989 by Br
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WARNING: DO NOT
DO NOT run engine in an enclosed area. Ex-
haust gases contain carbon monoxide, an odor-
less and deadly poison.
DO NOT place hands or feet near moving ог го-
tating paris.
DO NOT store, spill, or use gasoline near an
open flame, or devices such as a stove, furnace,
or water heater which use a pilot light or devices
which can create a spark.
DO NOT refuel indoors where area is not well
ventilated. Outdoor refueling is preferred.
DO NOT fill fuel tank while engine is running. Al-
low engine to coal for 2 minutes before refuel-
ing. Store fuel in approved safety containers.
DO NOT remove fuel tank cap while engine is
running.
DO NOT operate engine when smell of gasoline
is present or other explosive conditions exist.
DO NOT operate engine if gasoline is spilled.
Move machine away from the spill and avoid
creating any ignition until the gasoline has
evaporated.
DO NOT transport engine with fuel in tank.
DO NOT smoke when filling fuel tank.
DO NOT choke carburetor to stop engine.
Whenever possible, gradually reduce engine
speed before stopping.
DO NOT run engine at excessive speeds. This
may result in injury.
THIS SYMBOL MEANS WARNING OR CAUTION.
DEATH, PERSONAL INJURY AND/OR PROPERTY DAMAGE MAY OCCUR UNLESS INSTRUCTIONS ARE FOLLOWED CAREFULLY.
13.
34.
15.
16.
17.
18.
13.
20.
21.
Interest Of Safety
FAs |
FA BEFORE STARTING ENGINE, READ AND UNDERSTAND THE “OPERATING AND MAINTENANCE INSTRUCTIONS.”
DO NOT tamper with governor springs, gover-
nor links or other parts which may increase the
governed engine speed.
DO NOT tamper with the engine speed selected
by the original equipment manufacturer.
DO NOT check for spark with spark plug or
spark plug wire removed. Use an approved
tester.
DO NOT crank engine with spark plug removed.
if engine is fivoded, place throtile in +AST” po-
sition and crank until engine starts.
DO NOT strike flywhee! with a hard object or
metal too! as this may cause flywheel to shatter
in operation. Use proper tools to service engine.
DO NOT operate engine without a muffler. 1п-
spect periodically and repiace, if necessary. If
engine is equipped with muffler deflector, in-
spect periodically and replace, if necessary,
with correct deflector.
DO NOT operate engine with an accumulation
of grass, leaves, dirt or other combustible mate-
rial in the muffler area.
DO NOT use this engine on any forest covered,
brush covered, or grass covered unimproved
land unless a spark arrester is installed on the
muffler. Fhe arrester must be maintained in ef-
fective working order by the operator. In the
State of California the above is required by law
(Section 4442 of the California Public He-
sources Code). Other states may have similar
laws. Federal laws apply on federal lands.
CO NOT touch hot muffler, cylinder, or fins be-
cause contact may cause burns.
22, DO NOT run engine with air cleaner or air
cleaner cover {or cover directly over carburetor
air intake, if Sno/Gard engine) removed.
1. ALWAYS DO remove the wire from the spark
lug when servicing the engine or equipment
TO PREVENT ACCIDENTAL STARTING. Dis-
connect the negative wire from the battery ter-
minal if equipped with a 12 volt starting system.
2. DO keep cylinder fins and governor parts free ot
grass and other debris which can affect engine
speed. |
3. DO pul starter cord slowiy unti resistance is felt.
Then pull cord rapidly to avoid kickback and pre-
vent hand or arm injury.
4. DO examine muffler periodically to be sure it is
functioning effectively. A worn or leaking muffler
should be repaired or replaced as necessary.
5. DO use fresh gasoline. Stale fuel can gum car-
buretor and cause leakage.
6. DO check fuel lines and fittings frequently for
cracks or leaks. Replace if necessary.
NOTE: Use Original Briggs & Stratton Service Re-
placement Parts when servicing your engine. Briggs
& Stration Authorized Service Centers carry a stock
of such parts. The use of Briggs & Stratton parts pre-
serves the original design of your engine. Imitation
replacement parts offer potential risk including the
risk of personal injury. Contact any Briggs & Sirattan
Authorized Service Center for Original Briggs &
Stratton Replacement Parts.
Before Starting
READ THE OPERATING INSTRUCTIONS OF THE
EQUIPMENT THIS ENGINE POWERS.
37” NOTE: Engine is shipped WITHOUT oil.
4-CYCLE OIL RECOMMENDATIONS
Change and Add Oi! According to Chart below.
We recommend the use of a high quality detergent
oi classified “For Service SE, SF, SG," such as
Briggs & Stratton 30 weight oi, part no. 100005. De-
tergent oils keep the engine cleaner and retard the
formation of gum and varnish deposiis. No special
additives should be used with recommended oils.
NOTE: DO NOT MixX OIL WITH GASOLINE.
SAE VISCOSITY GRADES
Eu 32 40 50 80 390
a
Роя
= -2 ©
"2.30 2g 40 0 19 26 30 40
TEMPERATURE RANGE ANTICIPATED BEFORE NEXT CIL CHANGE
" Air cooled engines run hotter than automotive en-
gines. Use of multi-viscasity oils (10W-30, etc.)
above 40° F (4° C) will result in high oil consump-
tion and possible engine damage. Check oil level
more frequently if using these types of oils.
*™ SAE 30 oil, if used below 40° F (4° C), will result in
hard starting and possible engine bore damage
due to inadequate lubrication.
TO FILL CRANKCASE WITH OIL:
Capacity is approximately 1.25 pints (21 ounces or
2.6 liters). Place engine level. Clean area around oil
31. Remove off fill plug. POUR OIL SLOWLY. Fill to
aver flowing, as Hlustrated below. DBO NOT OVER-
FILL. Replace oil fi plug.
OIL FILL PLUG
OL FILL PLUG
1. Air Cleaner 5. Holding Tab for
2. Carburetor Spark Plug Wire
3. Rewind Start Grip 6. Model, Type and
4. Spark Plug Code Numbers
E FUEL RECOMMENDATIONS
This engine will operate satisfactorily on any gaso-
ine intended for automotive use. A minimum of 77
octane is recommended. DO NOT MIX OIL WITH
GASOLINE.
Use clean, fresh, jead-free gasoline. Leaded gaso-
line may be used If lead-free is not available. Use of
iead-free gasoline results in fewer combustion de-
posits and longer valve life. We recommend the use
of Briggs & Stratton Gasoline Additive, part no.
5041. Purchase fuel in quantity that can be used
within 36 days. This will assure fuel freshness and
volatility tailored to the season.
NOTE: We DO NOT recommend the use of gasoline
which coniains alcohol, such as gasohol. However,
if gasaline with alcohol is used, it MUST NOT con-
tain more than 10 percent Ethanol and MUST be re-
moved from the engine during storage. DO NOT use
gasoline containing Methanol, See STORAGE IN-
SPRUCTIONS.
DO NOT FILL fuel tank to point of over-
flowing. AHow approximately 1/4 in. (5 mm)
of tank space for tuel expansion.
7. Crankshait
8. Oil Fill Plug
9, Oil Drain Plug
TO START ENGINE:
WARNING: ALWAYS KEEP HANDS AND
FEET CLEAR OF ROTATING MACHIN-
ERY.
TIPS TO OBTAIN BEST STARTING
PERFORMANCE
1. Stan, store and fuel engine ın a level position.
2. DO NOT use a pressurized starting fluid . Se-
vere engine damage may occur because of loss
ot lubrication.
3. Awarmengine requires less choking than a cold
engine.
4. Aslightly richer fuel mixture will usually improve
cold starting. Turn idie mixture valve 1/8 turn
counterciockwise.
STOP CONTROLS
Push top of stop switch in. (Green light will come on
when engine starts.)
—= \
a GREEN
LR | LIGHT
o ©
“STOP
ie SWITCH
O “RUN
D jp Position
STOP CONTROLS
FUEL SHUT-OFF VALVE
Open fuel shut-off valve, if so equipped.
“| CHOKE ENGINE:
Move engine choke iever to “CHOKE” po-
sition,
CHOKE
LEVER
I
CHOKE LEVER
REWIND STARTER
Grasp starter grip as illustrated and puli slowly until
resistance is felt. Then pull cord rapidly to over-
come compression, prevent kickback and start
engine. Repeat if necessary with choke opened half
way. When engine starts, open choke fully.
oA \
N LA \ 12
a u) N
REWIND STARTER
TO STOP ENGINE:
Push bottom of stop switch in. (Green light
will gradually go off.} Do not choke carbu-
retor to stop engine. Backfire or engine
damage may result if choke is used to stop
engine.
GREEN
À LIGHT
ft | ©
Fu
le
Ei
i
N
à NC STOP
i sic
“STOP”
© POSITION
=
STOP CONTROLS
ENGINE CONTROLS
CAUTION: The manufacturer of the equip-
ment on which this engine is installed
specifies 3750 RPM as the Top No-Load
RPM at which the engine will be operated.
DO NOT EXCEED this RPM.
Correct adjustment is necessary for good engine
performance.
CARBURETOR ADJUSTMENTS
Minor carburetor adjustment may be required to
compensate for differences in fuel, temperature, ai-
titude or load. Air cleaner and air cleaner cover must
be assembled ta carburetor when running engine.
CAUTION: DO NOT ADJUST TOP NO
LOAD ADJUSTING SCREW (Pre-set at
factory). lí adjustment is required, consult
any Briggs & Stratton Authorized Service
Center.
INITIAL ADJUSTMENT:
With engine off, gently turn idle mixture valve clock-
wise until it just closes. Valve may be damaged by
turning it in too far. .
Next open valve 1-1/2 turns counterclockwise. This
initial adjustment will permit the engine to be started
and warmed up (approximately 5 minutes) prior to fi-
nai adjustment.
¡DLE
SPEED
ADJUSTING
SCREW
IDLE
MIXTURE
Y VALVE
alt
el
CARBURETOR ADJUSTMENTS
FINAL ADJUSTMENT
Rotate throttle counterclockwise and hold against
idie speed adjusting screw. Then turn idle speed ad-
justing screw to obtain idle speed of 1750 RPM.
Next, while still holding throttle against idle speed
adjusting screw, turn idie mixture valve in (clock-
wise - lean mixture} until engine starts to siow. Then
turn idle mixture valve out (rich mixture} until engine
runs unevenly. Now turn valve midway between rich
and lean. Release throttle. Engine should acceler-
ate smoothly. If angine does not, carburetor should
ne readjusted, usually to a slightly richer mixture by
turning the idle mixture vaive counterclockwise 1/8
turn more.
aintenance
CAUTION: TO PREVENT ACCIDENTAL
STARTING when servicing the engine or
equipment, always remove the wire from
the spark plug and insert in holding tab.
yy CHECK OtL LEVEL REGULARLY:
Check after each 5 hours of operation or
daily. BE SURE OIL LEVEL 15 MAIN-
TAINED.
CHANGE OIL AS RECOMMENDED:
Change oil after first 5 hours of operation. Then, un-
der normal operating conditions, change oil after
every 50 hours of operation or every season, which-
aver occurs first. Change oil after every 25 hours of
operation if the engine is operated under heavy
load, or in high ambient temperatures. Change oil
while engine is warm, Drain oil as shown. Refill with
new oil of correct grade. Replace drain plug and oil
fil piug.
OIL
ow
Ty ake
OIL FILL PLUG
DRAIN PLUG
OL DRAIN OIL Fill
TO SERVICE AIR CLEANER:
Remove and service cartridge every 25 hours of
every season, whichever occurs first.
NOTE: Service more often under dusty conditions.
1. Unctamp air cleaner cover from bottom of base
and remove as ifiustrated.
2 Remove cartridge from cover and ciean by tap-
ping gently on a flat surface. If paper is dam-
aged replace cartridge. Hf very dirty, replace or
wash in a non-sudsing detergent and warm
water solution. Rinse thoroughly with flowing
water from mesh side until water is clear. Allow
cartridge to stand and air dry thoroughly before
USING.
3. Clean any din out of cover.
CAUTION: Petroleum solvents, such as
kerosene, are not to be used to clean car-
tridge. They may cause deterioration of the
cartridge. DO NOT OIL CARTRIDGE. DO
NOT USE PRESSURIZED AIR TO
CLEAN OR DRY CARTRIDGE.
Reinstall cartridge in cover (mesh side out}.
Place slots in cover on tabs and push bottom of
cover firmly until cover clamps on to base.
NOTE: Be sure bottom of cover is clamped se-
curely to base.
CLAMP |
CARTRIDGE
P/N 399959
_ AIR CLEANER
Maintenance
LEAN ENGINE:
Remove dirt and debris with a cloth or brush.
Cleaning with a forceful spray of water is not
recommended as water could contaminate the fuel
system,
CAUTION: To assure smooth operation,
keep governor linkage, springs and can-
trols free of cebris.
CAUTION: Periodically clean muffler area
to remove all grass, dirt and combustible
debris.
SPARK ARRESTER SCREEN:
Muffler is equipped with spark arrester screen as-
sembly. Remove for inspection and cleaning every
50 hours or every season, whichever accurs first.
Replace if damaged. See Equipment Manufactur-
ars service recommendation.
REPLACE IN-LINE FUEL FILTER:
Repiace In-Line fuel fiter every season, if so
equipped. Contact any Briggs & Stratton Service
Center for correct replacement.
CLAMPS
FILTER
PIN 298099
FUEL FILTER
CLEAN COOLING SYSTEM:
Grass, chaff or dirt may clog the rotating screen and
the air cooling system, especially after prolonged
service cutting dry grasses. After every 100 hours or
every season, whichever occurs first, remove
blower hausing to clean internal cooling fins and sur-
faces as shown to prevent overspeeding, overheat-
ing and engine damage. Clean more often if neces-
Sary.
IR CLEAN OUT
E | CHAFF AND
E] pa DIRT
El
47
COOLING SYSTEM
REPLACE OR CLEAN SPARK PLUG:
Replace or clean after every 100 hours ofoperation
or every season, whichever occurs first.
030" (.76mm}
FEELER GAUGE
>,
N STANDARD P/N 492167 \
RESISTOR P/N 802592
SPARK PLUG
NOTE: Do not blast clean spark plug. Spark plug
should be cleaned by scraging or wire brushing and
washing with a commercial solvent.
CAUTION: Sparking can occur if wire ter-
minal does not fit firmiy on spark plug. Re-
form terminal if necessary.
REMOVE COMBUSTION DEPOSITS:
Remove cylinder head every 100-300 hours af
operation. Scrape and wire brush the combustion
deposits from cylinder, cylinder head, top of piston
and around valves. Reassembie gasket and cylin-
der head. Turn screws down finger tight with three
longer screws around exnaust valve, if So equipped.
Torque cylinder head screws in a staggered se-
quence to 140 in.-lbs. (15.8Nm)
Follow the hourly or calendar intervals, whichever occur first.
More frequent service may be required.
Every 5 Hours| 25 Hours or | 50 Hours or | 100 Hours or] 100-300
MAINTENANCE OPERATION or Daily Every Season} Every Season} Every Season Hours
Check Oil Level e
o fi e
Change Oi + Note 1
Service Air Cleaner Cartridge ©
Note 2
Debris Gard a | |
(Optional Accessory) Note 2
| oling System Mg
Clean Cooiing sy Note 2
Inspect Spark Arrester e o
{Optional Accessory}
Replace or Clean Spark Plug &
Replace In-Line Fuel Filter @
‘if so equipped)
Clean Combustion e
Chamber Deposits
+ Change oil after first 5 hours, then after every 50 hours or every season.
Note 1: Change oil every 25 hours when operating under heavy load or in high ambient lémperaiures.
Note 2: Clean more often under dusty conditions or when atrborne debris Is present.
BRIGGS & STRATTON AUTHORIZED SERVICE CENTERS ARE
READY TO SERVE YOU AND ARE COMMITTED TO QUALITY SERVICE.
International
Symbols
а. Read Operator's Manual
Warning/Caution
General Information
This is a single cylinder, L-head, air-cooled engine.
On mobile equipment, the engine wil! operate satis-
factorily at any angle at which operator and equip-
ment can function safely.
MODEL SERIES 83400
Bore 2.0... ee eee 2-3/8 in. (60.33 mm)
Stroke ...,........,..., 1-3/4 in. (44,45 mm)
Displacement .......... 7.75 cu. in. (127.0 cc)
Torque (Max.) ....... 4.6 Ft.-Lbs. @ 2900 RPM
NOTE: Engine power will decrease 3-1/2% for each
1,000 feet (305 m) above sea level and 1% for each
10° F (5.8° C) above 60° F (16°C).
TUNE-UP SPECIFICATIONS
DESCRIPTION B&SPARTNO.
Air cleaner cariridge ................. 399959
Spark plug (standard) ..............-. 492167
o nenn... (Champion J19LM)
Soark plug (resistor) ..,............. 802592
bee ee bennett eens (Champion RJ19LM}
CLEARANCES DIMENSION
Spark plug gap ............. .030 in. (.76 mm)
intake valve” ........ .005-.007 in. {.13-.18 mm)
Exhaust valve” ...... .007-.008 in. (.18-.23 mm)
In some areas, local law requires the use of a resis-
tor spark plug to suppress ignition signals. Н# ап еп-
gine was originally equipped with a resistor spark
plug, be sure to use the same type of spark plug for
replacement,
* with valve springs installed and piston 1/4 in.
(6 mm) past top dead center,
Note: Walking tingers logo and “Yellow pages” are regis-
tered trademarks in various furisdictions.
STORAGE INSTRUCTIONS
Engines to be stored over 30 days need to be pro-
tected or drained of fuel to prevent gum from forming
in the fuel system or on essential carburetor parts.
1. For engine protection, we recommend the use
of Briggs & Stratton Gasoline Additive, Part No.
5041, available from any Authorized Briggs &
Stratton Service Center. Mix Additive with fuel in
fuel tank or storage container. Run engine fora
short time to circulate Additive through carbure-
tor. Engine and fuel can be stored up to 24
months.
CAUTION: If Additive is not used or if en-
gine is operating on gasoline containing al-
cohol, remove all fuel from tank and run
engine until it stops from lack of fuel.
2. While engine is stil warm, drain oil from crank-
case. Refill with fresh oil. See OIL RECOM-
MENDATIONS.
3. Remove spark plug and pour approximately 1/2
ounce (15 mil) of engine oil into the cylinder. Re-
place spark plug and crank slowly to distribute
ail.
4. Clean din and chaff from cylinder, cylinder head
fins, olower housing, rotating screen and muffler
areas.
5. Store in a clean and dry area.
SERVICE & REPAIR INFORMATION
lí service or repair is needed, contact a Briggs &
Stratton Authorized Service Center. Ta serve you
promptly and efficiently, the Service Center will
need the model, type and code numbers on your en-
gine.
Your nearest Service Center may be
located in the “Yellow Pages™"
directory under “Engines, Gasoline,”
"Gasoline Engines.” or similar
category. You may also locate fhe
Service Center in your mailing
zip code area by telephoning
1-800-233-3723. There are over
30,000 Authorized Service Centers
| worldwide available to serve you.
Each Authorized Service Center carries a stock of
Original Briggs & Station Service Heplacement
Paris and is equipped with special service tools. Ask
for Original Brigas & Stratton Service Replacement
Parts. The use of Genuine Paris preserves the origi-
nai design of your Briggs € Stratton engine. Imita-
tion replacement parts offer potential risks, not just
obvious differences such as, ft, finish and warranty
back-up, but hidden differences in internal construc-
lion as well. Trained mechanics assure expert repair
service on ail Briggs & Stratton engines.
Major engine repairs require proper tools and a thor-
ough knowledge of internal combustion engine re-
pair procedure.
Briggs & Stratton publishes illustrated shop manu-
ais, parts lists and owner's manuals for every engine
it manufactures. To receive a list of available publi-
cations, write fo Briggs & Stratton Corp., P. O. Box
1144, Milwaukee, WI 53201, Attn.: Service Division.
The shop manual shown
here includes “Theories
of Operation,” common
specifications and de-
tailed information cover-
ing adjustment, tune-up
and repair of Briggs &
Stratton L-head, single
cylinder, 4 cycie engines
and is available from a
Briags & Stratton Auihor-
ized Service Center. You
can also order directly
from the factory at the
above address.
Part No. 270962
ABOUT THE WARF
ANTY ON YOUR ENGI!
NOTE: See Back Cover for Statement of Limited Warranty.
lt warranty service is needed, contact your nearest Authorized Briggs & Stratton
Service Center. For prompt attention, your Center will need to know the engine
model, type and code numbers, the trouble experienced and the total number of
hours the engine was run.
BRIGGS & STRATTON WARRANTY COVERS ONLY DEFECTIVE MATERIAL
and/or WORKMANSHIP,
Briggs & Stratton Corporation welcomes the opportunity to make jusiiied war-
ranty repairs by any of its Authorized Service Centers. In most instances, the re-
quests for warranty repair are handled in a quick and routine manner. However,
some requests for warranty are received which appear not justified. in these
cases, though engine owners may not be aware of it, the premature failure of their
engine was caused by abuse or neglect, or the equipment on which it was
mounted, rather than the engine.
lf you differ with the decision of your Service Center, investigation will be made to
determine the applicability of warranty. Ask the Service Center to submit all sup-
porting facts to his Distributor for review. if the Distributor decides that your claim
is justified, you will be fully reimbursed for ihose items accepted as detective. In
any event, all decisions regarding warranty applicability will be made in the sole
discretion of Briggs and Stratton. To avoid misunderstanding which might occur
between engine owners and Authorized Briggs & Stratton Service Centers, we list
belaw some of the causes of engine failure that Briggs & Stratton warranty does
not cover for repair or replacement.
NORMAL WEAR: Engines, like all mechanical devices, need periodic parts serv-
ice and replacement to perform well. Warranty will not cover repair when normal
use has exhausted the life of a part or an engine.
IMPROPER MAINTENANCE: Remember that the service life of an engine de-
pends upon the conditions uncer which it operates and the care if receives. Same
applications, such as fillers, pumps and rotary mowers, are very often used in
dusty or dirty conditions which can cause what appears to be premature wear.
Such wear, when caused by dirt, dust, spark plug cleaning grit ar other abrasive
material that has entered the engine because of improper maintenance, is not
covered by warranty.
WARRANTY DOES NOT APPLY FOR SOME ADJUSTMENTS OR IF ABUSE
OR NEGLECT CAUSES ENGINE DAMAGE: SUCH AS *
1. Bent or broken crankshatts that could be caused by striking a solid abject with
the cutter blade of a rotary mower;
2. Sticking valves ar clogged carburetors, fuel pipes or oiher damage caused by
using contaminated or stale fuel (Use clean, fresh gasoline — lead-free if avail-
able.);
3, Parts which are scored or broken because an engine was operated with insuf-
ficient or contaminated lubricating oil or an incorrect grade of jubricating olf. (4
cycle engines: check oil level daily or after every 5 hours of operation. Refill
when necessary and change at recommended intervals.) (2 cycle engines:
use correct mixture of gasoline and BIA/NMMA certified O11};
4. Parts damaged by overspeeding or overheating caused by dirt, grass or de-
bris plugging the cooling fins and clogging the flywheel area, or caused by op-
erating the engine in a confined area without sufficient ventilation (Clean fins
on the cylinder, cylinder head and flywheel at recommended intervals.);
5. Damage or wear to paris caused by dirt whichventered the engine because of
improper air cleaner maintenance or re-assembly {At recommended inter-
vals, clean and re-oil the of-foam@ element or the foam pre-cieaner and/or
clean or replace the cartridge.);
5. Damage or wear to parts caused by grit which entered the engine from spark
plugs cleaned on an abrasive blast cleaning machine;
7. Tune-up or adjustment needed by an engine but not caused by defective ma-
terial nor workmanship {Follow the “Operating and Maintenance Instructions”
when making any minor adjustments.);
8. Parts broken by excessive vibration caused by loose engine mounting, loose
cutter blades unbalanced blades or impellers improperly attaching equipment
to engine crankshaft, overspeeding or abuse in operation;
9. Repair or adjustment of associated paris or assemblies such as ciutches,
transmissions, remote controls, etc., which are not of Briggs & Stration manu-
facture;
10. PARTS THAT ARE NOT ORIGINAL BRIGGS & STRATTON PARTS OR
PARTS THAT ARE NOT APPROVED BY BRIGGS & STRATTON.
WARRANTY !S AVAILABLE ONLY THROUGH SERVICE CENTERS WHICH
HAVE BEEN AUTHORIZED BY THE BRIGGS & STRATTON CORPORATION.
YOUR NEAREST SERVICE CENTER IS LISTEDIN THE “YELLOW PAGES™"
OF YOUR TELEPHONE DIRECTORY, UNDER “ENGINES, GASOLINE” OR
“GASOLINE ENGINES, LAWN MOWERS” OR SIMILAR CATEGORY.
BRIGGS & STRATTON ENGINES ARE MADE UNDER ONE OR MORE OF THE FOLLOWING PATENTS: DESIGN D-247,177 (OTHER PATENTS PENDING)
4,971,219 4,745,995 4,453,507 4,233,043 4,048,788 3,991,102 3,901,199 3,828,212
4,971,001 4,720,638 4,430,984 4,209,737 4,048,787 3,981,289 3,888,450 3,827,307
4,939,916 4,719,682 4,414,993 4,189,040 4,037,389 3,971,353 3,885,547 3,823,700
4,915,068 4,694,792 4,414,934 4,188,930 4,031,872 3,970,913 3,882,336 3,848,586
4,909,218 4,684,917 4.372.433 4,181,200 4,023,550 3,968 854 3,875,438 3,790,277
4,895,119 4,633,556 4,395,293 4,178,894 4,014,302 3,961,724 3,874,551 _ 3,790,075
4,889,006 4,630,458 4,353,335 4,168,808 4,014,195 3,958,906 3,883,614 3,796,027
4,875,448 4,622,935 4,345,885 4,169,289 4,013,105 3,955,904 3,857,545 3,782,139
4,823,752 4,522,080 4,306,522 4,090,345 4,011,533 3,951,223 3,841,425 3,782,084
4,819,593 4,520,288 4,270,509 4,068,636 4,006,616 3,916,280 3,931,268 3,678,365
4.817.577 4.512.499 4 233.534 4,055,898 4,003,120