Briggs Stratton Lawn Mower MODEL 290000 User Manual

Operator’s Manual

Vanguard

Model 350000

Model 380000

Model 290000

Model 300000

ECopyright Briggs & Stratton Corporation

Form No. 277107-3/07

Printed in U.S.A.

BRIGGSandSTRATTON.com

Milwaukee, Wisconsin 53201 U.S.A.

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Features

1. Air Cleaner

9. Rotating Screen

10. Emission Label

2. Carburetor or LPG / NG Fuel Mixer

3. Rewind Starter (if equipped)

4. Blower Housing

11. Engine Identification

Model XXXXXX Type XXXXXX Code

XXXXXXXX

5. Oil Filter (if equipped)

6. Spark Plug Wire

12. Fuel Pump

13. Exhaust Manifold

7. Oil Drain Plug

14. 12V Electric Starter (if equipped)

8. Oil Fill/Dipstick

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Safety

WARNING

Gaseous fuels, such as liquid

petroleum gas (LPG) and natural

gas (NG), are extremely flammable

and can readily form explosive

air-vapor mixtures at moderate

temperatures.

Gasoline and its vapors are extremely

flammable and explosive.

Fire or explosion can cause severe

burns or death.

WHEN ADDING FUEL

IF YOU SMELL GAS:

• DO NOT start the engine.

• DO NOT actuate any electrical switches.

• DO NOT use the phone in the vicinity.

• Evacuate the area.

• Contact the gas supplier or fire department.

REMEMBER:

• Turn engine OFF and let engine cool at least

2 minutes before removing gas cap.

• Fill fuel tank outdoors or in well-ventilated

area.

• Do not overfill fuel tank.

• Keep gasoline away from sparks, open

flames, pilot lights, heat, and other ignition

sources.

• Check fuel lines, tank, cap, and fittings

frequently for cracks or leaks. Replace if

necessary.

WHEN STARTING ENGINE

• LPG vapor is heavier than air and tends to

collect in low areas. NG vapor is lighter then

air and tends to collect in high areas. Both may

travel to remote locations.

• Keep all flames, sparks, pilot lights and other

ignition sources away from the area where the

engine is operated or repaired.

• Make sure spark plug, muffler, fuel cap and

air cleaner are in place.

• Do not crank engine with spark plug

• DO NOT smoke when operating or repairing

removed.

the engine.

• If fuel spills, wait until it evaporates before

• DO NOT store gasoline or other flammable

starting engine.

vapors or liquids in the vicinity of the engine.

• If engine floods, set choke to OPEN/RUN

position, place throttle in FAST and crank

until engine starts.

• BEFORE doing any service work to the

engine, shut off the gas supply.

• After initial installation or servicing, check for

gas leaks. DO NOT use an open flame. Apply

very soapy water or leak test solution with a

brush and look for bubbles.

WHEN OPERATING EQUIPMENT

• Do not choke carburetor to stop engine.

WHEN TRANSPORTING EQUIPMENT

• Transport with fuel tank EMPTY.

WHEN STORING GASOLINE OR EQUIP-

MENT 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 gasoline vapors.

• Keep the equipment and the area surrounding

the engine free of debris.

• Install the fuel system according to applicable

fuel/gas codes.

WARNING

Starting engine creates sparking.

Sparking can ignite nearby flammable

gases.

Explosion and fire could result.

• If there is natural or LP gas leakage in area, do

not start engine.

• Do not use pressurized starting fluids because

vapors are flammable.

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WARNING

Running engines produce heat. Engine

parts, especially muffler, become

extremely hot.

Severe thermal burns can occur on

contact.

Rapid retraction of starter cord

(kickback) will pull hand and arm

toward engine faster than you can

let go.

Broken bones, fractures, bruises

or sprains could result.

Combustible debris, such as leaves,

grass, brush, etc. can catch fire.

• When starting engine, pull cord slowly until

resistance is felt, then pull rapidly.

• Allow muffler, engine cylinder and fins to cool

• Direct coupled equipment components such as,

but not limited to, blades, impellers, pulleys,

sprockets, etc., must be securely attached.

before touching.

• Remove accumulated debris from muffler area

and cylinder area.

• Install and maintain in working order a spark

arrester before using equipment on

forest-covered, grass-covered, brush-covered

unimproved land. The state of California

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 en-

tangle hands, feet, hair, clothing, or

accessories.

Traumatic amputation or severe

laceration can result.

WARNING

Unintentional sparking can result

in fire or electric shock.

Fire or explosion can cause

severe burns or death.

• Operate equipment with guards in place.

• Keep hands and feet away from rotating parts.

• Tie up long hair and remove jewelry.

• Do not wear loose-fitting clothing, dangling

drawstrings or items that could become caught.

Unintentional start-up can result

in entanglement, traumatic

amputation, or laceration.

WARNING

Before performing maintenance or repairs:

Engines give off carbon monoxide,

an odorless, colorless, poison gas.

• Disconnect spark plug wire and keep it away

Breathing carbon monoxide can

cause nausea, fainting or death.

from spark plug.

• Disconnect battery at negative terminal (only

engines with electric start).

• Start and run engine outdoors.

• Use only correct tools.

• Do not strike the flywheel with a hammer or

hard object because the flywheel may later

shatter during operation.

• Do not start or run engine in enclosed area,

even if doors or windows are open.

• Do not tamper with governor spring, links or

other parts to increase engine speed.

When testing for spark:

• Use approved spark plug tester.

• Do not check for spark with spark plug

removed.

WARNING

Wear eye protection when doing

repair work.

Frostbite can result from skin/eye

contact with leaking LP liquid.

• Installation, adjustment and repair work should

be done by a qualified technician.

• Flexible supply lines should be checked regularly

to make sure they are in good condition. Replace

damaged or leaking components.

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Before Starting

Oil

Oil Capacity

Checking and Adding Oil

Engine holds approximately 1-1/2 quarts (48 ounces or

1.4 liters) when changing oil and filter.

• Check oil level before starting the engine.

• Keep oil level at FULL. Do not overfill.

• Check level daily, or after every eight (8) hours.

Oil Recommendation

• Use a high quality detergent oil classified “For

Service SF, SG, SH, SJ” or higher. Briggs & Stratton

strongly recommends the use of synthetic oil. If

synthetic oil is unavailable, Briggs & Stratton

non-synthetic 30 weight oil P/N 1000005 (20 oz.) or

P/N 1000028 (48 oz.) is an acceptable substitute.

Oil Fill

• Do not use special additives.

• Choose a viscosity according to the table below.

Note: Synthetic oil meeting ILSAC

GF-2, API certification mark and API

service symbol (shown at left) with

“SJ/CF ENERGY CONSERVING” or

higher, is an acceptable oil at all

temperatures. Use of synthetic oil

does not alter required oil change

intervals.

1. Place engine level and clean around oil fill and

dipstick.

2. Remove dipstick and wipe with clean cloth.

3. Tighten dipstick down. Remove and check oil

level.

4. Remove oil fill cap. Pour oil slowly. First add 1 qt

(32 oz or 1 liter). Start and run engine at idle for

30 seconds. Shut off engine and wait 30 seconds.

Then add more oil slowly to bring level to FULL

mark on dipstick.

SAE Viscosity Grades

-20

-30

32 40

100

°F

°C

-20

-10

STARTING TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL

CHANGE

CAUTION

5. Fill to FULL mark on dipstick. Recheck.

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.

FULL

** SAE 30 oil, if used below 40° F (4° C), will

result in hard starting and possible engine

bore damage due to inadequate lubrication.

6. Tighten dipstick firmly.

Oil Pressure Switch

If engine is equipped with oil pressure switch, the

switch will either activate a warning device or stop the

engine when the engine runs low on oil. (Read the

operating instructions supplied by equipment

manufacturer to determine how your engine is

equipped.)

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Before Starting

Fuel

Gasoline Powered Engines

Liquid Propane Gas (LPG)

• Use clean, fresh, regular unleaded gasoline with a

minimum of 85 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.

• For engine protection use Briggs & Stratton

Gasoline Additive available from your Authorized

Briggs & Stratton Dealer.

Natural Gas (NG) Powered Engines

• Use clean, dry fuel, free of moisture or any

particulate material. Using fuels outside the

following recommended values may cause

performance problems.

• In engines set to run on LPG, commercial grade

HD5 LPG is recommended. Recommended fuel

composition is fuel with a minimum fuel energy of

2500 BTU’s/ft# with maximum propylene content

of 5% and butane and heavier gas content of

2.5% and minimum propane content of 90%.

• Do not use gasoline which contains Methanol.

• Do not mix oil with gasoline.

• This engine is certified to operate on gasoline.

Exhaust Emission Control System: EM (Engine

Modifications).

• LPG or NG engines are certified to operate on

Adding Fuel

liquid propane gas or natural gas.

1. Turn engine OFF and let engine cool at least 2

minutes before removing gas cap.

2. Remove cap. Fill tank to approximately 1-1/2

inches below top of neck to allow for fuel

expansion. Be careful not to overfill.

Adding Fuel

Read the operating instructions supplied by the

equipment manufacturer for information on refueling

natural or LP gas engine.

3. Replace cap before starting.

WARNING

LPG/NG Engines: The equipment on

which this engine is mounted is

equipped with an automatic safety gas

“fuel lock-off” valve. DO NOT operate

the equipment if the “fuel lock-off” valve

is missing or inoperative.

CAUTION

Some fuels, called oxygenated or reformulated

fuels, are fuels 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.

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Starting

Oil Pressure Switch

If engine is equipped with oil pressure switch, the

switch will either activate a warning device or stop the

engine when the engine runs low on oil. (Read the

operating instructions supplied by equipment

manufacturer to determine how your engine is

equipped.)

CAUTION

When operating on LPG fuel, 12 volts MUST be

supplied to the connector.

When operating on NG fuel, 12 volts MUST NOT

be supplied to connector. Failure to do so may

cause engine damage.

Before Starting - Liquid Petroleum

Gas (LPG) / Natural Gas (NG) Engines

The LPG/NG mixer is equipped with solenoid, fuel inlet,

12 volt connector, and equipped for a fuel lock-off

valve. (Read the operating instructions supplied by

equipment manufacturer to determine how your engine

is equipped).

12 VOLT CONNECTOR

FUEL

LOCK-OFF

FUEL INLET

VALVE

SOLENOID

CAUTION

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.

Starting − All Engines

1. Check oil level.

6. ELECTRIC (KEY) STARTER: Push rocker switch

(if equipped) to ON or RUN.

Note: LPG/NG Engines: Skip steps 2 and 3.

2. Open fuel shut-off valve (if equipped).

3. Pull choke control to CHOKE or START position.

STOP

RUN

7. Insert key and turn to START.

8. Allow engine to warm up.

4. Move throttle (if equipped) to FAST position.

Operate engine with throttle in FAST position and

choke in RUN or OFF position.

CAUTION

Use short starting cycles (5 seconds, wait one

minute between cycles). Follow equipment

manufacturer’s recommendations for charging

battery.

5. REWIND (MANUAL) STARTER: Grasp rope

handle. Pull slowly until resistance is felt. Then

pull rapidly to start engine and avoid kickback.

Repeat if necessary with choke in OFF or RUN.

Note: Choke equipped: In warm weather

temperatures, move choke control lever toward RUN

slowly over several seconds, in cold weather allow

engine to run smoothly before each change. Operate

with choke in RUN.

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Stopping

1. REWIND (MANUAL) STARTER: Move throttle

control (if equipped) to SLOW and then STOP

position.

2. ELECTRIC (KEY) STARTER: Move throttle lever

(if equipped) to SLOW.

WARNING

• Do not stop engine by moving choke

control to CHOKE. Backfire, fire or

engine damage could occur.

3. ELECTRIC (KEY) STARTER: Turn key to OFF.

Remove key and store out of reach of children.

4. Push rocker switch (if equipped) to STOP.

STOP

RUN

5. Close fuel shut-off valve (if equipped).

Note: When engine is transported, close fuel shut-off

valve (if equipped) to prevent leakage.

Need Assistance?

Go to www.briggsandstratton.com or call 1-800-233-3723

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Troubleshooting

Starter Handle will Not Pull

WARNING

• Place equipment on flat level surface.

Rapid retraction of starter cord

(kickback) will pull hand and arm

toward engine faster than you can

let go.

• Remove all external equipment/engine loads before

starting engine.

• Direct coupled equipment components such as, but

not limited to, blades, impellers, pulleys, sprockets,

etc., must be securely attached.

Broken bones, fractures, bruises

or sprains could result.

• When starting engine, pull cord slowly until

resistance is felt, then pull rapidly.

Engine will Not Start

CAUTION

This engine is shipped from Briggs & Stratton

without oil. If you start the engine without oil, the

engine will be damaged beyond repair and will

not be covered under warranty.

Out of Fuel

• Add fuel to tank.

Engine Flooded

WARNING

• Gasoline engine: Set choke (if equipped) to

OPEN/RUN position, and continue to pull starter

handle.

• Ensure fuel cap is in place before

starting engine

• Turn engine OFF and let engine cool

at least 2 minutes before removing

fuel cap.

• Check fuel lines, tank, cap, and fittings

frequently for cracks or leaks. Replace

if necessary.

Spark Plug Fouling

• Check and ensure the spark plug is clean. Check the

gap with a feeler gauge and reset to .76 mm or .030

in. if necessary.

• If the electrode is burned or worn, replace spark plug

• Do not crank engine with spark plug

with new spark plug.

removed.

Engine is Smoking or Running

Rough

Engine may have been tipped during

transport.

CAUTION

• Check for fouled spark plug.

If engine is tipped to transport equipment, to

remove debris, to drain oil, etc., keep the spark

plug side of engine up.

• Check air cleaner filter for oil saturation. Squeeze

pre-cleaner in clean, absorbant cloth to remove ALL

EXCESS oil. If air cleaner is saturated, replace with

new cartridge.

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WARNING

Maintenance

Unintentional sparking can result

in fire or electric shock.

Regular maintenance will improve the performance and

extend the life of the engine. See any Authorized Briggs

& Stratton Dealer for service. Use only genuine

Briggs & Stratton parts. Other parts may not

perform as well, may damage the engine, and may

result in injury. In addition, use of other parts may void

your warranty.

Fire or explosion can cause

severe burns or death.

Unintentional start-up can result

in entanglement, traumatic

amputation, or laceration.

Emission Control

Maintenance, replacement or repair of the emission

control devices and systems may be performed by

any nonroad engine repair establishment or

individual. However, to obtain no charge repairs under

the terms and provisions of the Briggs & Stratton

warranty statement, any service or emission control

part repair or replacement must be performed by a

factory authorized dealer.

Before performing maintenance or repairs:

• Disconnect spark plug wire and keep it away

from spark plug.

• Disconnect battery at negative terminal (only

engines with electric start).

• Use only correct tools.

• Do not strike the flywheel with a hammer or hard

object because the flywheel may later shatter

during operation.

CAUTION

All the components used to build this engine

assembly must remain in place for the proper

operation of this engine.

• Do not tamper with governor spring, links or

other parts to increase engine speed.

When testing for spark:

• Use approved spark plug tester.

• Do not check for spark with spark plug removed.

Follow the instructions and schedules indicated below.

Task

Perform task at hourly

or calendar interval,

whichever comes first.

Every 8 Hours

or Daily

Hours

100

Hours

100 − 400

Hours

Check Oil Level

Service Air Cleaner Pre-Cleaner*

Inspect Spark Arrester (if equipped)

Change Oil **

Change Oil Filter (if equipped)

Service Air Cleaner Cartridge*

Clean Oil Cooler (if equipped)*

Clean Cooling System*

Check Valve Clearance on LPG/NG Engines

Clean/Replace Spark Plugs

Clean/Replace In-line Fuel Filter (if equipped)

Check Valve Clearance

Clean more often under dusty conditions or when airborne debris is present. Replace air cleaner, if very dirty.

** Change oil after first 5 to 8 hours of use, then every 100 hours. Change oil every 50 hours when operating the

engine under heavy load or in high temperatures.

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Changing Oil

WARNING

Change oil after first 5 to 8 hours of use, then every

100 hours. Change oil every 50 hours when operating

the engine under heavy load or in high temperatures.

• Disconnect spark plug wire and keep it

away from spark plug.

Changing Oil Filter (if equipped)

Change oil filter after every 100 hours or every season.

1. Place engine level.

2. Disconnect spark plug wire and keep it away from

spark plug. Disconnect battery (if equipped with

electric starter) at negative terminal.

3. With engine OFF but still warm remove oil drain

plug and drain oil into appropriate receptacle.

1. Drain engine oil and remove oil filter.

2. Before installing new filter, lightly oil filter gasket

with fresh, clean oil.

PIPE

3. Screw filter on by hand until gasket contacts oil

filter adapter. Tighten 1/2 to 3/4 turn more.

Typical

drain plug

OIL DRAIN

PLUG

4. Add fresh oil. Fill to FULL line on dipstick.

5. Start and run engine at idle to check for leaks.

4. Reinstall drain plug. Remove dipstick.

6. Stop engine. Re-check oil level. Add oil if

required.

5. OIL FILLING PROCEDURE: Add 1 quart (32

ounces or 1 liter). Start and run engine at idle for

30 seconds. Shut engine off and wait 30 seconds.

Then add more oil slowly to bring level to FULL

mark on dipstick. Do not overfill.

CAUTION

Used oil is a hazardous waste product. Dispose

of used oil properly. Do not discard with

household waste. Check with your local

authorities, service center, or dealer for safe

disposal/recycling facilities.

Note: Engine holds approximately 1-1/2 quarts (48

ounces or 1.4 liters) when changing oil and filter.

Oil Pressure

If oil pressure drops below 1-4 psi (0.1-0.2 kg/cm@), an

oil pressure switch (if engine is equipped) will either

activate a warning device or stop the engine. check oil

level with dipstick. if oil level is between ADD and FULL

mark on dipstick do not try to restart engine. Contact

an authorized Briggs & Stratton Service Dealer. Do not

operate engine until oil pressure is corrected.

If oil level is below ADD mark on dipstick, add oil to

bring level to FULL mark. Restart engine and check oil

pressure. If pressure is normal, continue to operate

engine.

Note: Oil pressure gauge, if engine is equipped, is

supplied by the manufacturer of equipment.

6. Replace dipstick.

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Pre-cleaner

Air Cleaner

To clean pre-cleaner (if equipped), separate it from

cartridge and wash in liquid detergent and water.

Squeeze dry in a clean cloth.

All engines have a round air cleaner cartridge. In

addition, some engines have a pre-cleaner.

Dual element air cleaner

BODY

PLATE

KNOB

CARTRIDGE

FOAM PRE-CLEANER

COVER

FASTENERS

Removing and Installing Air Cleaner

WARNING

1. Unhook clips on both sides of cover and remove

cover.

Ensure air cleaner, retainer, and cover

are properly installed before starting

engine.

2. Remove knob and plate. Carefully remove air

cleaner assembly to prevent debris from entering

carburetor.

3. Reassemble clean (or new) pre-cleaner on clean

(or new) cartridge.

CAUTION

Do not use pressurized air or solvents to clean

cartridge. Pressurized air can damage cartridge;

solvents will dissolve cartridge.

4. Reinstall air cleaner assembly, plate and knob in

body.

5. Replace cover and reattach clips to body.

Spark Plug

Check the spark plug every 100 hours. Replace the

spark plug if upon inspection the electrode Ê is burned

or worn. Ensure the spark plug is clean. Check the gap

Ë with a wire gauge Ì and reset to .76 mm or 0.030

in. if necessary.

Note: In some areas, local law requires using resistor

spark plug to suppress ignition signals. If this engine

was originally equipped with resistor spark plug, use

same type for replacement.

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Cleaning Debris

Daily or before every use, clean accumulated debris

from engine. Keep linkage, springs and controls clean.

Keep area behind and around muffler free of any

combustible debris.

WARNING

• Engine parts should be kept clean to reduce the

risk of overheating and ignition of accumulated

debris.

Muffler and Spark Arrester

Rotating

Screen

Linkage, Springs and Controls

Finger Guard

CLEAN

SPARK

ARRESTER

CAUTION

Do not use water to clean engine parts. Water

could contaminate fuel system. Use a brush or dry

cloth.

CLEAN

Fuel System

WARNING

Replacing Fuel Filter (if equipped)

• Replacement parts for fuel system and muffler

(cap, hoses, tanks, filters, etc.) must be the

original parts, and installed in the same position

as the original parts, otherwise fire can occur.

Drain Fuel tank or close fuel shut-off valve before

replacing fuel filter. Otherwise, fuel can leak out

creating a fire/explosion hazard.

Muffler

OIL COOLER REMOVED

If muffler is equipped with spark arrester screen,

remove screen for inspection. Replace screen if

damaged or plugged.

Oil Cooler (if equipped)

Clean oil cooler of all debris and chaff.

Air Cooling System

Debris may clog the engine’s air cooling system.

Remove blower housing and clean area shown to

prevent overheating and engine damage.

Valve Clearance

Gasoline Engines: Check valve clearance yearly.

LPG/NG Engines: Valve clearance must be checked

after every 100 hours of operation. Adjust if necessary.

CLEAN ALL AREAS

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Technical Information

Engine Power Rating Information

Specifications

The gross power rating for individual gas engine

models is labeled in accordance with SAE (Society of

Automotive Engineers) code J1940 (Small Engine

Power & Torque Rating Procedure), and rating

performance has been obtained and corrected in

accordance with SAE J1995 (Revision 2002-05).

Torque values are derived at 3060 RPM; horsepower

values are derived at 3600 RPM. Actual gross engine

power will be lower and is affected by, among other

things, ambient operating conditions and

engine-to-engine variability. Given both the wide array

of products on which engines are placed and the

variety of environmental issues applicable to operating

the equipment, the gas engine will not develop the

rated gross power when used in a given piece of power

equipment (actual “on-site” or net power). This

difference is due to a variety of factors including, but

not limited to, accessories (air cleaner, exhaust,

charging, cooling, carburetor, fuel pump, etc.),

application limitations, ambient operating conditions

(temperature, humidity, altitude), and engine-to-engine

variability. Due to manufacturing and capacity

limitations, Briggs & Stratton may substitute an engine

of higher rated power for this Series engine.

We recommend that you use an authorized Briggs &

Stratton Service Dealer for all maintenance and service

of the engine and engine parts. Use only genuine

Briggs & Stratton parts.

In the state of California, Model 290000, 300000,

350000 and 380000 engines are certified by the

California Air Resources Board to meet emissions

standards for 250 hours. Such certification does not

grant the purchaser, owner or operator of this engine

any additional warranties with respect to the

performance or operational life of this engine. This

engine is warranted solely according to the product and

emissions warranties stated elsewhere in this manual.

Model 290000 and 300000

Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.68 in. (68 mm)

Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.6 in. (66 mm)

Displacement . . . . . . . . . . . . . . . . . . 29.3 cu. in. (480 cc)

Model 350000

Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.83 in. (72 mm)

Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.76 in. (70 mm)

Displacement . . . . . . . . . . . . . . . . . . 34.7 cu. in. (570 cc)

Model 380000

Emission Information

Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.97 in. (75.5 mm)

Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.76 in. (70 mm)

Displacement . . . . . . . . . . . . . . . . . . 38.2 cu. in. (627 cc)

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 engine emission label will

indicate certification information.

Tune-up Specifications

Armature air gap . . 0.008 − 0.012 in. (0.20 − 0.30 mm)

Spark plug gap . . . . . . . . . . . . . . . . . 0.030 in. (0.76 mm)

The Emissions Durability Period describes the

number of hours of actual running time for which the

engine is certified to be emissions compliant, assuming

proper maintenance in accordance with the Operating

& Maintenance Instructions. The following categories

are used:

Valve clearance with valve springs installed and piston 1/4

in. (6 mm) past top dead center (check when engine is

cold). See Repair Manual P/N 272144.

Intake . . . . . . . . . . . . 0.004 − 0.006 in. (0.10 − 0.15 mm)

Exhaust . . . . . . . . . . . 0.004 − 0.006 in. (0.10 − 0.15mm)

Moderate:

Note: For practical operation, the horsepower loading should not

exceed 85% of rated horsepower. Engine power will decrease

3-1/2% for each 1,000 feet (300 meters) above sea level and 1%

for each 10° F (5.6° C) above 77° F (25° C). It will operate

satisfactorily at an angle up to 15°.

Engine is certified to be emission compliant for 125

hours of actual engine running time.

Intermediate:

Engine is certified to be emission compliant for 250

hours of actual engine running time.

Extended:

Engine is certified to be emission compliant for 500

hours of actual engine running time. For example, a

typical walk-behind lawn mower is used 20 to 25 hours

per year. Therefore, the Emissions Durability Period

of an engine with an intermediate rating would equate

to 10 to 12 years.

Certain Briggs & Stratton engines will be certified to

meet the United States Environmental Protection

Agency (USEPA) Phase 2 emission standards. For

Phase 2 certified engines, the Emissions Compliance

Period referred to on the Emissions Compliance label

indicates the number of operating hours for which the

engine has been shown to meet Federal emission

requirements.

For engines less than 225 cc displacement.

Category C = 125 hours

Category B = 250 hours

Category A = 500 hours

For engines of 225 cc or more displacement.

Category C = 250 hours

Category B = 500 hours

Category A = 1000 hours.

Model, Type and Code Number

To get replacement parts or technical assistance in the

future write your engine Model, Type and Code number

along with the date of purchase here. These numbers

are located on your engine. For the location, see

page 3, Engine Features.

Model

Type

Code

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Storage

1. Engines stored over 30 days need to be

protected or drained of fuel to prevent gum from

forming in fuel system or on essential carburetor

parts.

WARNING

When storing fuel or equipment with fuel in

tank:

• If fuel tank contains oxygenated or reformulated

gasoline (gasoline blended with an alcohol or an

ether), run engine until it stops from lack of fuel.

• If fuel tank contains gasoline, either run engine until

it stops from lack of fuel, or add a gasoline additive to

the gas in tank.

• Store away from furnaces, stoves, water

heaters, or other appliances that have a pilot

light or other ignition source because they can

ignite vapors.

When Transporting Equipment:

2. While engine is still warm, change oil.

• Gasoline Engine: Transport with fuel tank

EMPTY or with fuel shut-off valve OFF.

3. Remove spark plug and pour about 1/2 oz (15ml)

of engine oil into cylinder. Replace spark plug and

crank slowly to distribute oil.

• Liquid Petroleum Gas (LPG) /Natural Gas

Engine: Transport with fuel cylinder empty

and valve closed or tank disconnected.

4. Clean dirt and chaff from cylinder, cylinder head

fins, blower housing and rotating screen areas.

5. Store in a clean, dry area. Do not store in same

area as a stove, furnace, water heater, or other

appliance that uses a pilot light or has a device

that can create a spark.

Service

See an Authorized Briggs & Stratton Service Dealer for

all your engine service needs. Each one carries a stock

of Genuine Briggs & Stratton Parts and is equipped

with special service tools. Trained mechanics assure

expert repair service on all Briggs & Stratton engines.

Only dealers advertising as “Authorized Briggs &

Stratton” are required to meet Briggs &

PARTIAL LIST OF

GENUINE BRIGGS & STRATTON

PARTS

PART

PART NO.

Air Cleaner Cartridge . . . . . . . . . . . . . . . . . . . . . . 394018

Air Cleaner Pre-Cleaner . . . . . . . . . . . . . . . . . . . . 272490

Air Cleaner Pre-cleaner and Cartridge . . . . . . . . . . 5050

Air Cleaner Cartridge (380700) . . . . . . . . . . . . . . 692519

Air Cleaner Pre-cleaner (380700) . . . . . . . . . . . . 692520

Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . 100005 -OR- 100028

Oil Filter (3-1/2 in. long) . . . . . . . . . . . . . . . . . . . . 491056

Oil Filter (2-1/4 in. long) . . . . . . . . . . 492932 -OR- 5049

Fuel Filter (with fuel pump) . . . . . . . . . . . . . . . . . 493629

Fuel Filter (without fuel pump) . . . . . 298090 -OR- 5018

Gas Additive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5041

Resistor Spark Plug . . . . . . . . . . . . . . . . . . . . . . . 491055

Resistor Spark Plug . . . . . . . . . . . . . . . . . . . . . . . 496018

Stratton standards.

When you purchase equipment powered

by Briggs & Stratton, you are assured of

highly skilled, reliable engine service at

more than 30,000 Authorized Service

Dealers worldwide, including more than

6,000 Master Service Technicians.

Look for these signs wherever Briggs &

Stratton service is offered.

You may find the nearest Authorized Service Dealer

in our dealer locator map at

www.briggsandstratton.com, or by

calling 1-800-233-3723

Long Life Platinum Spark Plug . . . . . . . . . . . . . . . . 5066

(used on most OHV engines)

Spark Plug Wrench . . . . . . . . . . . . . . . . . . . . . . . . . 19374

Spark Tester . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19368

Oil Pump Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5056

(uses standard electric drill to remove oil from engine

quickly)

An illustrated shop manual includes common

specifications and detailed information covering

adjustment, tune-up and repair of Briggs & Stratton

single cylinder, 4 cycle engines. It is available for

purchase from an Authorized Briggs & Stratton Service

Dealer or you can order it from

Need Assistance?

Go to www.briggsandstratton.com

or call 1-800-233-3723

www.briggsandstratton.com.

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Warranty Information

Briggs & Stratton Corporation (B&S), the California Air Resources Board (CARB)

and the United States Environmental Protection Agency (U.S. EPA)

Emissions Control System Warranty Statement

(Owner’s Defect Warranty Rights and Obligations)

The California Air Resources Board (CARB), U.S. EPA and

B&S are pleased to explain the Emissions Control System

Warranty on your small off-road engine (SORE). In

California, new small off-road engines model year 2006 and

later must be designed, built and equipped to meet the

State’s stringent anti-smog standards.

Elsewhere in the United States, new non-road, spark-ignition

engines certified for model year 1997 and later must meet

similar standards set forth by the U.S. EPA. B&S must

warrant the emissions control system on your engine for the

periods of time listed below, provided there has been no

abuse, neglect or improper maintenance of your small

off-road engine.

Your emissions control system includes parts such as the

carburetor, air cleaner, ignition system, fuel line, muffler and

catalytic converter. Also included may be connectors and

other emissions related assemblies.

Where a warrantable condition exists, B&S will repair your

small off-road engine at no cost to you including diagnosis,

parts and labor.

Briggs & Stratton Emissions Control Defects Warranty Coverage

Small off-road engines are warranted relative to emissions control parts defects for a period of two years, subject to provisions set

forth below. If any covered part on your engine is defective, the part will be repaired or replaced by B&S.

Owner’s Warranty Responsibilities

As the small off-road engine owner, you are responsible for

the performance of the required maintenance listed in your

Operating and Maintenance Instructions. B&S recommends

that you retain all your receipts covering maintenance on

your small off-road engine, but B&S cannot deny warranty

solely for the lack of receipts or for your failure to ensure the

performance of all scheduled maintenance.

As the small off-road engine owner, you should however be

aware that B&S may deny your warranty coverage if your

small off-road engine or a part has failed due to abuse,

You are responsible for presenting your small off-road engine

to an Authorized B&S Service Dealer as soon as a problem

exists.

The undisputed warranty repairs should be completed in a

reasonable amount of time, not to exceed 30 days.

If you have any questions regarding your warranty rights and

responsibilities, you should contact

Representative at 1-414-259-5262.

B&S Service

The emissions warranty is a defects warranty. Defects are

judged on normal engine performance. The warranty is not

related to an in-use emissions test.

neglect,

improper

maintenance

unapproved

modifications.

Briggs & Stratton Emissions Control Defects Warranty Provisions

The following are specific provisions relative to your Emissions Control Defects Warranty Coverage. It is in addition to the B&S

engine warranty for non-regulated engines found in the Operating and Maintenance Instructions.

1. Warranted Parts

performed at no charge to the owner, including

diagnostic labor which leads to the determination that a

Warranted Part is defective, if the diagnostic work is

performed at an Authorized B&S Service Dealer. For

emissions warranty service contact your nearest

Authorized B&S Service Dealer as listed in the “Yellow

Pages” under “Engines, Gasoline,” “Gasoline Engines,”

“Lawn Mowers,” or similar category.

Coverage under this warranty extends only to the parts

listed below (the emissions control systems parts) to the

extent these parts were present on the engine

purchased.

a. Fuel Metering System

•

Cold start enrichment system

Carburetor and internal parts

Fuel pump

4. Claims and Coverage Exclusions

Fuel line, fuel line fittings, clamps

Fuel tank, cap and tether

Carbon canister

Warranty claims shall be filed in accordance with the

provisions of the B&S Engine Warranty Policy. Warranty

coverage shall be excluded for failures of Warranted

Parts which are not original B&S parts or because of

abuse, neglect or improper maintenance as set forth in

the B&S Engine Warranty Policy. B&S is not liable to

cover failures of Warranted Parts caused by the use of

add-on, non-original, or modified parts.

b. Air Induction System

•

Air cleaner

Intake manifold

Purge and vent line

c. Ignition System

•

Spark plug(s)

Magneto ignition system

5. Maintenance

•

Any Warranted Part which is not scheduled for

replacement as required maintenance or which is

scheduled only for regular inspection to the effect of

“repair or replace as necessary” shall be warranted as to

defects for the warranty period. Any Warranted Part which

is scheduled for replacement as required maintenance

shall be warranted as to defects only for the period of time

up to the first scheduled replacement for that part. Any

replacement part that is equivalent in performance and

durability may be used in the performance of any

maintenance or repairs. The owner is responsible for the

performance of all required maintenance, as defined in

the B&S Operating and Maintenance Instructions.

6. Consequential Coverage

d. Catalyst System

•

Catalytic converter

Exhaust manifold

Air injection system, Pulse valve

e. Miscellaneous Items

•

Vacuum, temperature, position, time sensitive

valves and switches

Connectors and assemblies

2. Length of Coverage

B&S warrants to the initial owner and each subsequent

purchaser that the Warranted Parts shall be free from

defects in materials and workmanship which caused the

failure of the Warranted Parts for a period of two years

from the date the engine is delivered to a retail purchaser.

3. No Charge

Coverage hereunder shall extend to the failure of any

engine components caused by the failure of any

Warranted Part still under warranty.

Repair or replacement of any Warranted Part will be

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ABOUT YOUR ENGINE 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.

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 Operating & 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.

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.

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

replace the cartridge.) Read Operating &

Maintenance Instructions.

Normal wear:

7. Parts damaged by over-speeding, 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

Engines, like all mechanical devices, need periodic

parts service 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:

recommended intervals.) Read Operating &

Maintenance Instructions.

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.

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, improper attachment of

equipment to engine crankshaft, over-speeding or

other abuse in operation.

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

solid object with the cutter blade of a rotary lawn

mower, or excessive v-belt tightness.

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 because of:

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

11. Engine or engine component failure, i.e.,

combustion chamber, valves, valve seats, valve

guides, or burned starter motor windings, caused

by the use of alternate fuels such as, liquified

petroleum, natural gas, altered gasolines, etc.

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 engine life. (Contact equipment

manufacturer.)

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 “Engines, Gasoline” or

“Gasoline Engines,” “Lawn Mowers,” or similar

category.

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 Fuel

Stabilizer, Part No. 5041.)

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BRIGGS & STRATTON ENGINE OWNER WARRANTY POLICY

Effective 12/06

LIMITED WARRANTY

Briggs & Stratton Corporation will repair or replace, free of charge, any part(s) of the engine that is defective

in material or workmanship or both. Transportation charges on parts submitted for repair or replacement

under this warranty must be borne by purchaser. This warranty is effective for and is subject to the time

periods and conditions stated below. For warranty service, find the nearest Authorized Service Dealer in

our dealer locator map at www.briggsandstratton.com, or by calling 1-800-233-3723, or as listed in the

‘Yellow Pages™’.

THERE IS NO OTHER EXPRESS WARRANTY. IMPLIED WARRANTIES, INCLUDING THOSE OF

MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE LIMITED TO ONE YEAR FROM

PURCHASE, OR TO THE EXTENT PERMITTED BY LAW ANY AND ALL IMPLIED WARRANTIES ARE

EXCLUDED. LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES ARE EXCLUDED TO THE

EXTENT EXCLUSION IS PERMITTED BY LAW. Some states or countries do not allow limitations on how

long an implied warranty lasts, and some states or countries do not allow the exclusion or limitation of

incidental or consequential damages, 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 and

country to country.

WARRANTY TERMS **

Brand/Product Type

Consumer Use

2 years

Commercial Use

2 years

1 year

Vanguard

Extended Life Seriest , I/CR , Intek I/CR , Intek Pro

Kerosene Fuel Operated Engines

1 year

90 days

All Other Briggs & Stratton Engines

2 years

90 days

** Engines used on Home Standby Generator applications are warranted under consumer use only.

This warranty does not apply to engines on equipment used for prime power in place of a utility.

Engines used in competitive racing or on commercial or rental tracks are not warranted.

The warranty period begins on the date of purchase by the first retail consumer or commercial end user, and

continues for the period of time stated in the table above. “Consumer use” means personal residential household use

by a retail consumer. “Commercial use” means all other uses, including use for commercial, income producing or

rental purposes. Once an engine has experienced commercial use, it shall thereafter be considered as a commercial

use engine for purposes of this warranty.

NO WARRANTY REGISTRATION IS NECESSARY TO OBTAIN WARRANTY ON BRIGGS & STRATTON

PRODUCTS. SAVE YOUR PROOF OF PURCHASE RECEIPT. IF YOU DO NOT PROVIDE PROOF OF THE

INITIAL PURCHASE DATE AT THE TIME WARRANTY SERVICE IS REQUESTED, THE MANUFACTURING

DATE OF THE PRODUCT WILL BE USED TO DETERMINE THE WARRANTY PERIOD.

(

)

47 6, 62 9

45 7, 8 91

36 8, 1 87

37 5, 9 63

30 9, 4 57

37 2, 8 71

36 1, 7 71

35 6, 9 51

30 9, 4 57

30 8, 8 72

30 8, 8 71

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