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In the USA and Canada, a 24 hour hot line, 1-800-233-3723, has a menu of pre-recorded messages offering you engine maintenance information.

About your engine warranty: (see next page for statement of LIMITED WARRANTY).

Briggs & Stratton welcomes warranty repair and apologizes
to you for being inconvenienced. Any Authorized Service
Dealer may perform warranty repairs. Most warranty repairs
are handled routinely, but sometimes requests for warranty
service may not be appropriate. For example, warranty would
not apply if engine damage occurred because of misuse, lack
of routine maintenance, shipping, handling, warehousing or
improper installation. Similarly, warranty is void if the serial
number of the engine has been removed or the engine has
been altered or modified.

If a customer differs with the decision of the Service Dealer, an
investigation will be made to determine whether the warranty
applies. Ask the Service Dealer to submit all supporting facts to
his Distributor or the Factory for review. If the Distributor or the
Factory decides that the claim is justified, the customer will be
fully reimbursed for those items that are defective. To avoid
misunderstanding which might occur between the customer
and the Dealer, listed below are some of the causes of engine
failure that the warranty does not cover.

Normal wear:

Engines, like all mechanical devices, need periodic parts ser-
vice 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:

The life of an engine depends upon the conditions under
which it operates, and the care it receives. Some applications,
such as tillers, 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, or other abrasive material that has
entered the engine because of improper maintenance, is not
covered by warranty.

This warranty covers engine related defective material
and/or workmanship only, and not replacement or refund
of the equipment to which the engine may be mounted.
Nor does the warranty extend to repairs required be-
cause of:

1. PROBLEMS CAUSED BY PARTS THAT ARE NOT

ORIGINAL BRIGGS & STRATTON PARTS.

2. Equipment controls or installations that prevent starting,

cause unsatisfactory engine performance, or shorten en-
gine life. (Contact equipment manufacturer.)

3. Leaking carburetors, clogged fuel pipes, sticking valves,

or other damage, caused by using contaminated or stale
fuel. (Use clean, fresh, lead-free gasoline and Briggs &
Stratton gasoline stabilizer, Part No. 5041.)

4. Parts which are scored or broken because an engine was

operated with insufficient or contaminated lubricating oil,
or an incorrect grade of lubricating oil (check oil level daily
or after every 8 hours of operation. Refill when necessary
and change at recommended intervals.) OIL GARD

may not shut down running engine. Engine damage may
occur if oil level is not properly maintained. Read Operat-
ing & Maintenance Instructions.

5. Repair or adjustment of associated parts or assemblies

such as clutches, transmissions, remote controls, etc.,
which are not manufactured by Briggs & Stratton.

6. Damage or wear to parts caused by dirt, which entered

the engine because of improper air cleaner maintenance,
re-assembly, or use of a non-original air cleaner element
or cartridge. (At recommended intervals, clean and re-oil
the Oil-Foam

 

element or the foam pre-cleaner, and re-

place the cartridge.) Read Operating & Maintenance
Instructions.

7. Parts damaged by overspeeding, or overheating caused

by grass, debris, or dirt, which plugs or clogs the cooling
fins, or flywheel area, or damage caused by operating the
engine in a confined area without sufficient ventilation.
(Clean fins on the cylinder, cylinder head and flywheel at
recommended intervals.) Read Operating & Maintenance
Instructions.

8. Engine or equipment parts broken by excessive vibration

caused by a loose engine mounting, loose cutter blades,
unbalanced blades or loose or unbalanced impellers, im-
proper attachment of equipment to engine crankshaft,
overspeeding or other abuse in operation.

9. A bent or broken crankshaft, caused by striking a solid ob-

ject with the cutter blade of a rotary lawn mower, or exces-
sive v-belt tightness.

10. Routine tune-up or adjustment of the engine.

Warranty is available only through service dealers which
have been authorized by Briggs & Stratton Corporation.
Your nearest Authorized Service Dealer is listed in the
“Yellow Pages

” of your telephone directory under “En-

gines, Gasoline” or “Gasoline Engines,”  “Lawn Mow-
ers,” or similar category.

Briggs & Stratton Engines Are Made Under One Or More Of The Following Patents: Design D-247,177 (Other Patents Pending)
5,852,951
5,823,153
5,819,513
5,765,713
5,645,025
5,642,701
5,606,948

5,548,955
5,546,901
5,503,125
5,501,203
5,497,679
5,320,795
5,271,363

5,269,713
5,265,700
5,243,878
5,235,943
5,197,425
5,197,422
5,191,864

5,188,069
5,186,142
5,138,996
5,105,331
5,086,890
5,070,829
5,058,544

5,040,644
5,040,503
5,009,208
4,996,956
4,995,357
4,977,879
4,971,219

4,895,119
4,875,448
4,819,593
4,719,682
4,694,792
4,684,917
4,633,556

4,630,498
4,522,080
4,520,288
4,453,507
4,430,984
4,355,253

DES. 309,458
DES. 309,457
DES. 308,872
DES. 308,871

Summary of Contents for 290700 Series

Page 1: ...ng and Stopping 9 10 Maintenance 11 14 Adjustments 14 15 Parts and Service Storage 16 Warranty Information 17 WARNING Briggs Stratton does not approve or authorize the use of these engines on 3 wheel All Terrain Vehicles ATVs motor bikes aircraft products or vehicles intended for use in competitive events Use of these engines in such applications could result in property damage serious injury incl...

Page 2: ...atton Corporation Look For Relevant Emissions Durability Period and Air Index Information On Your Engine Emissions Label Engines that are certified to meet the California Air Resources Board CARB Tier 2 Emission Standards must display information regarding the Emissions Durability Period and the Air Index Briggs Stratton makes this information available to the consumer on our emission labels The E...

Page 3: ...dition a hazard symbol may be used to represent the type of hazard DANGER indicates a hazard which if not avoided will result in death or serious injury WARNING indicates a hazard which if not avoided could result in death or serious injury CAUTION indicates a hazard which if not avoided might result in minor or moderate injury CAUTION when used without the alert symbol indicates a situation that ...

Page 4: ...NT Do not tip engine or equipment at angle which causes gasoline to spill Do not choke carburetor to stop engine WHEN TRANSPORTING EQUIPMENT Transport with fuel tank EMPTY or with fuel shut off valve OFF WHEN STORING GASOLINE OR EQUIPMENT WITH FUEL IN TANK Store away from furnaces stoves water heaters or other appliances that have pilot light or other ignition source because they can ignite gasoli...

Page 5: ...ifornia requires this Section 4442 of the California Public Resources Code Other states may have similar laws Federal laws apply on federal land WARNING Rotating parts can contact or entangle hands feet hair clothing or accessories Traumatic amputation or severe laceration can result Operate equipment with guards in place Keep hands and feet away from rotating parts Tie up long hair and remove jew...

Page 6: ...is engine is warranted solely according to the product and emissions warranties stated elsewhere in this manual MODEL SERIES 290000 and 300000 Bore 2 68 in 68 mm Stroke 2 60 in 66 mm Displacement 29 3 cu in 480 cc MODEL SERIES 350000 Bore 2 83 in 72 mm Stroke 2 76 in 70 mm Displacement 34 7 cu in 570 cc Note For practical operation the horsepower loading should not exceed 85 of rated horsepower En...

Page 7: ...AUTION Air cooled engines run hotter than automotive engines The use of non synthetic multi viscosity oils 5W 30 10W 30 etc in temperatures above 40 F 4 C will result in higher than normal oil consumption When using a multi viscosity oil check oil level more frequently CAUTION SAE 30 oil if used below 40 F 4 C will result in hard starting and possible engine bore damage due to inadequate lubricati...

Page 8: ...emoving gas cap 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 STARTING WARNING Do not use pressurized starting fluids Vapors are flammable OIL PRESSURE SWITCH If engine ...

Page 9: ...n pull rapidly to start engine and avoid kickback 7 Let engine warm up Choke Equipped Move choke control lever toward RUN a short dis tance at a time over sev eral seconds in warm weather or minutes in cold weather Let engine run smoothly before each change Operate with choke in RUN WARNING STOP RUN Î Î TO STOP ENGINE CAUTION Do not stop engine by moving choke control to CHOKE Backfire fire or eng...

Page 10: ...short starting cycles 5 seconds maximum then wait one minute Follow equipment manufacturer s recommendations for charging battery 7 Let engine warm up Choke Equipped Move choke control lever toward RUN a short dis tance at a time over sev eral seconds in warm weather or minutes in cold weather Let engine run smoothly before each change Operate with choke in RUN STOP RUN TO STOP ENGINE 1 Move throt...

Page 11: ...pect spark arrester if equipped 4 Clean cooling system 4 Clean replace spark plugs 4 Clean replace in line fuel filter if equipped 4 Check valve clearance 4 Change oil after first 5 to 8 hours of use then every 50 hours or every season Change oil every 25 hours when operating the engine under heavy load or in high temperatures Clean more often under dusty conditions or when airborne debris is pres...

Page 12: ... is normal continue to operate engine Note Oil pressure gauge if engine is equipped is supplied by manufacturer of equipment AIR CLEANER All engines have a round air cleaner cartridge In addition some engines have a pre cleaner CLEANING PRE CLEANERS AND CARTRIDGES CAUTION Do not use pressurized air or solvents to clean cartridge Pressurized air can damage cartridge solvents will dissolve cartridge...

Page 13: ...rk arrestor screen remove screen for inspection Replace screen if damaged or plugged WARNING FUEL SYSTEM Replacement parts for fuel system cap hoses tanks filters etc must be the same as original parts otherwise fire can occur WARNING FUEL FILTER IF EQUIPPED PART NO 493629 WITH FUEL PUMP PART NO 298090 or 5018 WITHOUT FUEL PUMP ÎÎ ÎÎ ÎÎ ÎÎ Î Î Î Î ÎÎ ÎÎ ÎÎ FILTER FILTER 1 Disconnect spark plug wir...

Page 14: ...R GUARD ROTATING SCREEN Î Î Î ÎÎ Linkage Springs and Controls CLEAN Muffler and Spark Arrester CLEAN SPARK ARRESTER ADJUSTMENTS CONTROL ADJUSTMENTS WARNING Prevent unintentional starting Before performing adjustments Remove spark plug wires from spark plugs Disconnect battery at negative terminal only engines with electric start TO ADJUST REMOTE CHOKE CONTROL 1 Remove air cleaner 2 Move choke cont...

Page 15: ...d hold it 3 Turn idle speed screw to obtain 1300 to 1500 rpm 4 While still holding carburetor throttle lever against idle speed screw turn idle mixture valve with limiter cap screw midway between limits 1 Readjust the idle speed to 1200 rpm if governed idle spring is red or 900 rpm if governed idle spring is white 2 Release carburetor throttle lever Move throttle control to FAST position Engine sh...

Page 16: ...ervice Technicians Look for these signs wherever Briggs Stratton service is offered You may locate your nearest Authorized Briggs Stratton Service Dealer in our dealer locator map on our web site www briggsandstratton com or in the Yellow Pages directory under Engines Gasoline or Gasoline Engines or Lawn Mowers or similar category An illustrated shop manual includes com mon specifications and deta...

Page 17: ...ct a B S Service Representative at 1 414 259 5262 The emission warranty is a defects warranty Defects are judged on normal engine performance The warranty is not related to an in use emission test Briggs Stratton Emission Control Defects Warranty Provisions The following are specific provisions relative to your Emission Control Defects Warranty Coverage It is in addition to the B S engine warranty...

Page 18: ...uel Use clean fresh lead free gasoline and Briggs Stratton gasoline stabilizer Part No 5041 4 Parts which are scored or broken because an engine was operated with insufficient or contaminated lubricating oil or an incorrect grade of lubricating oil check oil level daily or after every 8 hours of operation Refill when necessary and change at recommended intervals OIL GARD may not shut down running ...

Page 19: ...r consequential dam ages so the above limitation and exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state Briggs Stratton Corporation F P Stratton Jr Chairman and Chief Executive Officer WARRANTY PERIOD WITHIN U S A AND CANADA OUTSIDE U S A AND CANADA ENGINES CONSUMER USE COMMERCIAL USE CONSUMER USE COMMERCIA...

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