Briggs Stratton Automobile 90000 10000 User Manual

Operating & Maintenance

Instructions

Model Series

Covered in

This Manual

90000

100000

Model

Type

Code

Note: General Model Series numbers noted above are inclusive of the specific model

number found on your engine. To get replacement parts or technical assistance in

the future, write your engine Model, Type, Code and date of purchase here.

Month Day Year

TABLE OF CONTENTS

Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

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 (including

paralysis), or even death.

Engine Information . . . . . . . . . . . . . . . . . . . . . . . . 6

Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Starting Information . . . . . . . . . . . . . . . . . . . . . . . 9

Starting and Stopping . . . . . . . . . . . . . . . . . . . . . 10

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 11-13

Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Parts and Service & Storage . . . . . . . . . . . . 15-16

Warranty Information . . . . . . . . . . . . . . . . . . . . . 17

Need assistance? Go to www.briggsandstratton.com

for detailed information regarding

Briggs & Stratton engines.

Or call, 1-800-233-3723, (U.S.A. and Canada)

to hear a menu of pre-recorded messages

offering engine maintenance information.

PRINTED IN U.S.A.

FORM NO. 275508-5/03

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275508

BEFORE OPERATING ENGINE

• Read entire Operating & Maintenance Instructions AND

the instructions for the equipment this engine powers.*

• Failure to follow instructions could result in serious injury

or death.

THE OPERATING & MAINTENANCE INSTRUCTIONS

CONTAIN SAFETY INFORMATION TO

• Make you aware of hazards associated with engines

• Inform you of the risk of injury associated with those hazards, and

• Tell you how to avoid or reduce the risk of injury.

The safety alert symbol

information about hazards that can result in personal injury.

( )

is used to identify safety

HAZARD SYMBOLS AND MEANINGS

A signal word (DANGER, WARNING, or CAUTION) is

used with the alert symbol to indicate the likelihood and the

potential severity of injury. In addition, a hazard symbol

may be used to represent the type of hazard.

Fire

Explosion

Moving Parts

DANGER indicates a hazard which, if not

avoided, will result in death or serious injury.

Toxic Fumes

Hot Surface

Kickback

Shock

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.

THE INTERNATIONAL SYMBOLS USED

ON THE ENGINE OR

CAUTION, when used without the alert symbol,

indicates a situation that could result in damage

to the engine.

IN THIS MANUAL INCLUDE:

WARNING

On Off

Fuel

Read Owner’s

Manual

Safety Alert

The engine exhaust from this prod-

uct contains chemicals known to the

State of California to cause cancer,

birth defects, or other reproductive

harm.

Oil

Choke

Stop Fuel Shutoff

Briggs & Stratton does not necessarily know what equipment this engine will power. For that reason, you should carefully read

and understand the operating instructions for the equipment on which your engine is placed.

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SAFETY

WARNING

Starting engine creates sparking.

Gasoline and its vapors are extremely

flammable and explosive.

Sparking can ignite nearby flammable

gases.

Fire or explosion can cause severe burns

or death.

Explosion and fire could result.

WHEN ADDING FUEL

• Turn engine OFF and let engine cool at least 2

minutes before removing gas cap.

• If there is natural or LP gas leakage in area, do not

start engine.

• Do not use pressurized starting fluids because

vapors are flammable.

• Fill fuel tank outdoors or in well-ventilated area.

• Do not overfill fuel tank. Fill tank to approximately

1-1/2 inches below top of neck to allow for fuel

expansion.

• 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.

WARNING

Rapid retraction of starter cord (kickback) will

pull hand and arm toward engine faster than

you can let go.

WHEN STARTING ENGINE

• Make sure spark plug, muffler, fuel cap and air

cleaner are in place.

Broken bones, fractures, bruises or sprains

could result.

• Do not crank engine with spark plug removed.

• If fuel spills, wait until it evaporates before starting

engine.

• When starting engine, pull cord slowly until

resistance is felt, then pull rapidly.

• If engine floods, set choke to OPEN/RUN position,

place throttle in FAST and crank until engine starts.

• Remove all external equipment/engine loads

before starting engine.

• Direct coupled equipment components such as,

but not limited to, blades, impellors, pulleys,

sprockets, etc., must be securely attached.

WHEN OPERATING EQUIPMENT

• 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

WARNING

valve OFF.

Rotating parts can contact or entangle

hands, feet, hair, clothing, or accessories.

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 gasoline

vapors.

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 jewelry.

• Do not wear loose-fitting clothing, dangling

drawstrings or items that could become caught.

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SAFETY

WARNING

Engines give off carbon monoxide, an

odorless, colorless, poison gas.

Unintentional sparking can result in fire or

electric shock.

Breathing carbon monoxide can cause

nausea, fainting or death.

Unintentional start-up can result in en-

tanglement, traumatic amputation, or lac-

eration.

• Start and run engine outdoors.

• Do not start or run engine in enclosed area, even if

doors or windows are open.

BEFORE PERFORMING ADJUSTMENTS OR

REPAIRS

• Disconnect spark plug wire and keep it away from

spark plug.

WARNING

Running engines produce heat. Engine

parts, especially muffler, become extremely

hot.

• Disconnect battery at negative terminal (only

engines with electric start).

Severe thermal burns can occur on contact.

WHEN TESTING FOR SPARK

• Use approved spark plug tester.

Combustible debris, such as leaves, grass,

brush, etc. can catch fire.

• Do not check for spark with spark plug removed.

• Allow muffler, engine cylinder and fins to cool

before touching.

• Remove accumulated combustibles 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.

ENGINE INFORMATION

TECHNICAL INFORMATION

POWER RATINGS: The power ratings for an individual engine

model are initially developed by starting with SAE (Society of Auto-

motive Engineers) code J1940 (Small Engine Power & Torque

Rating Procedure) (Revision 2002-05). Given both the wide array

of products on which our engines are placed, and the variety of en-

vironmental issues applicable to operating the equipment, it may

be that the engine you have purchased will not develop the rated

horsepower when used in a piece of power equipment (actual “on-

site” power). This difference is due to a variety of factors including,

but not limited to, the following: differences in altitude, tempera-

ture, barometric pressure, humidity, fuel, engine lubrication, maxi-

mum governed engine speed, individual engine to engine variabil-

ity, design of the particular piece of power equipment, the manner

in which the engine is operated, engine run-in to reduce friction

and clean out of combustion chambers, adjustments to the valves

and carburetor, and other factors. The power ratings may also be

adjusted based on comparisons to other similar engines utilized

in similar applications, and will therefore not necessarily match the

values derived using the foregoing codes.

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ENGINE INFORMATION

1. Carburetor

2. Air cleaner

3. Rope handle

4. Finger guard

5. Oil fill/Dipstick

8. Spark plug wire

9. Governor control lever

10. Primer bulb

11. Fuel tank

12. Fuel fill

13. Flywheel

6. Engine

Model

xxxxx

Type

Code

xxxxxxxx

xxxx xx

7. Muffler/(Muffler guard, if equipped)/

(Spark arrester, if equipped)

GENERAL INFORMATION

TUNE-UP SPECIFICATIONS

This is a single cylinder, L-head, air-cooled engine. It is a

low emissions engine.

Armature air gap . . . 0.006 – 0.010 in. (0.15 – 0.25 mm)

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

MODEL SERIES 90000

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 270962.

Bore . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9/16 in. (65.09 mm)

Stroke . . . . . . . . . . . . . . . . . . . . . . . . . 1-3/4 in. (44.45 mm)

Displacement . . . . . . . . . . . . . . . . . . 9.02 cu. in. (147.8 cc)

Intake . . . . . . . . . . . . . 0.005 – 0.007 in. (0.13 – 0.18 mm)

Exhaust . . . . . . . . . . . 0.007 – 0.009 in. (0.18 – 0.23 mm)

MODEL SERIES 100000

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°.

Bore . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9/16 in. (65.09 mm)

Stroke . . . . . . . . . . . . . . . . . . . . . . . . . 1-7/8 in. (47.63 mm)

Displacement . . . . . . . . . . . . . . . . . . 9.67 cu. in. (158.6 cc)

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275508

OIL

SAE Viscosity Grades

CAUTION: This engine is shipped from Briggs &

Stratton without oil. Check oil level before starting

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

will be damaged beyond repair and will not be

covered under warranty.

OIL CAPACITY

The engine holds approximately 5/8 qt (20 ozs; 0.6 liter).

-20

-30

32 40

100

°F

°C

-20

-10

STARTING TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE

TYPE OF OIL TO USE

• Use a high quality detergent oil classified “For Service

SF, SG, SH, SJ” or higher, such as Briggs & Stratton

SAE 30.

• Do not use special additives.

CAUTION: 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.

• Choose a viscosity according to the table opposite.

Note: Synthetic oil meeting ILSAC GF-2, API

certification mark and API service symbol

(shown at left) with “SJ/CF ENERGY CON-

SERVING” or higher, is an acceptable oil at all

temperatures. Use of synthetic oil does not

alter required oil change intervals.

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

result in hard starting and possible engine bore

damage due to inadequate lubrication.

CHECKING AND ADDING OIL

CAUTION: Do not overfill. Overfilling with oil may cause:

Smoking,

• Check oil level before starting the engine.

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

• Keep oil level at FULL.

Hard starting,

Spark plug fouling, or

Oil saturation of air filter.

High Oil Fill

(if equipped)

[2] Remove dipstick and wipe clean with cloth.

[3] Replace and tighten dipstick. Remove and

[4] If needed, add oil slowly -

recheck. Do not over fill.

[1] Place engine level and

clean around oil fill area.

check oil level. Oil level should be at FULL

line on dipstick.

[5] Replace and tighten dipstick.

Low Oil Fill

(if equipped)

[2] Remove dipstick and wipe clean with cloth.

[4] If needed, add oil slowly -

recheck. Do not over fill.

[3] Replace and tighten dipstick. Remove and

check oil level. Oil level should be at FULL

line on dipstick.

[1] Place engine level and

clean around oil fill area.

[5] Replace and tighten dipstick.

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FUEL

TYPE OF FUEL TO USE

• Use clean, fresh, regular unleaded gasoline with a

minimum of 77 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.

• Do not use gasoline which contains Methanol.

• Do not mix oil with gasoline.

• For engine protection use Briggs & Stratton Gasoline

Additive available from your Authorized Briggs &

Stratton Dealer.

CAUTION: Some fuels, called oxygenated or

reformulated gasoline, are gasoline blended with

alcohols or ethers. Excessive amounts of these

blends can damage the fuel system or cause

performance problems. If any undesirable oper-

ating symptoms occur, use gasoline with a lower

percentage of alcohol or ether.

• This engine is certified to operate on gasoline. Exhaust

Emission Control System: EM (Engine Modifications).

ADDING FUEL

Fuel Fill

WARNING

• Turn engine OFF and let engine cool at least 2

minutes before removing gas cap.

• Fill fuel tank outdoors or in well-ventilated area.

• Keep gasoline away from sparks, open flames,

pilot lights, heat, and other ignition sources.

Neck

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

inches below top of neck to allow for fuel

expansion. Be careful not to overfill.

• If fuel spills, wait until it evaporates before

starting engine.

Briggs & Stratton Smart-fill) fuel canfills to the

correct level and automatically shuts off, reduc-

ing spills and emissions.

[2] Replace cap before starting.

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STARTING

WARNING

If you are starting your engine for the

FIRST time, read the information

outlined under Starting A New Engine.

• Do not use pressurized starting fluids.

• Vapors are flammable.

CAUTION:

This engine is shipped from Briggs & Stratton

without oil. Check oil level before starting engine.

If you start the engine without oil, the engine will be

damaged beyond repair and will not be covered

under warranty.

• Make sure spark plug, muffler, fuel cap and air

cleaner are in place.

• Do not crank engine with spark plug removed.

• If fuel spills, wait until it evaporates before

starting engine.

• If engine floods, set choke to OPEN/RUN

position, place throttle in FAST and crank until

engine starts.

CAUTION:

If engine is tipped to transport equipment, remove

grass, drain oil, etc., keep spark plug side of

engine up. Tipping engine with spark plug down

may cause:

• Smoking,

• Hard starting,

STARTING AND OPERATING TIPS

♦Store and fuel

equipment in level

position.

♦Use fresh fuel. (See

Fuel.)

♦Use correct type of

oil for expected

starting tempera-

ture. (See Oil.)

♦Remove external

equipment/engine

loads. (See equip-

♦Periodically remove

grass buildup under

mower deck. (See

Maintenance.)

♦After engine has

started, let it warm

up several seconds

to several minutes,

depending on out-

side temperature.

• Spark plug fouling,

• Oil saturation of air filter.

KEEP SPARK PLUG UP

♦For maximum per-

formance and life,

operate engine with

throttle in FAST.

ment

operating

instructions.)

♦Start lawn mower

on hard surface or

over previously cut

grass.

STARTING A NEW ENGINE

Add oil and fuel as instructed in this manual prior to

attempting to start engine. (See Oil and Fuel)

Primer

bulb

[1] Move throttle to FAST.

(if equipped)

[2] Firmly push primer bulb 5 times.

Continue at step [4] under TO START ENGINE.

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STARTING AND STOPPING

REWIND (MANUAL) STARTER

TO START ENGINE

When starting engine thereafter, push primer bulb firmly 3 times as illustrated below and pull starter rope as instructed below.

[5] Grasp rope handle. Pull slowly until resistance is

[1] Check oil level (see p. 8).

felt, then pull rapidly to start engine and avoid

kickback.

[2] Move throttle

(if equipped) to FAST.

WARNING

• When starting engine,

pull cord slowly until

resistance is felt, then

pull rapidly.

[3] Firmly push primer

bulb 3 times.

Primer

bulb

[4] Close safety brake handle on lawn mowers

and any other equipment with this feature.

[6] Let engine warm up.

Operate engine with

throttle in FAST.

TO STOP ENGINE

CAUTION:

Do not stop engine by

moving choke control

to CHOKE. Backfire,

fire or engine damage

could occur.

[2] Release safety brake con-

trol handle.

[1] Move throttle (if equipped)

to SLOW, then

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MAINTENANCE

EMISSION CONTROL

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.

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.

Follow the instructions and schedules indicated below.

Task

CHANGING OIL

TOP OIL DRAIN

BOTTOM OIL DRAIN

CUTTING

OIL

DRAIN

PLUG

SPARK

PLUG

Perform task at hourly

or calendar interval,

whichever comes first.

BLADE

RATCHET

AND

EXTENSION

Check Oil Level

Change Oil

Service Oil-FoamR air

4**

DRAIN

PLUGS

SIDE OIL DRAIN

(IF EQUIPPED)

cleaner element

Inspect spark arrester

(if equipped)

3/8”

SQUARE

PIPE

Replace spark plug

[1] Run engine until it runs

out of fuel. Otherwise,

fuel can leak out, creating

a fire/explosion hazard,

when you tip engine in

Step 4.

[2] Disconnect spark plug

wire and keep it away

from spark plug.

Clean cooling system

4**

WARNING

Clean combustion

chamber

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 present. Replace air cleaner parts, if

very dirty.

[3] With engine OFF but still warm remove dipstick.

[4] Top oil drain, keep spark plug side up. Bottom or

side oil drain (if equipped), keep engine level. Drain

oil into appropriate receptacle.

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: Top oil drain is recommended method, however

oil can drain from side (if equipped) or bottom as shown.

[5] Place engine level. Add about 5/8 quart

(20 ounces: 0.6 liter) new oil. Fill to FULL line on

dipstick. Do not overfill. Replace dipstick.

CAUTION

If engine is tipped to transport equipment, remove grass,

drain oil, etc., keep spark plug side of engine up.

Tipping engine with spark plug down may cause:

Low Oil Fill

(if equipped)

KEEP SPARK PLUG UP

• Smoking,

• Hard starting,

High Oil Fill

(if equipped)

• Spark plug fouling,

• Oil saturation of air filter.

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MAINTENANCE

AIR COOLING SYSTEM

AIR CLEANER

Grass or chaff may clog engine’s air cooling system,

especially after prolonged service cutting tall, dry grass.

Internal cooling fins and surfaces may require cleaning to

prevent overheating and engine damage.

All engines have an Oil-FoamR air cleaner.

COVER

SCREWS

REMOVE

PLASTIC COVER

MODEL 100000

Style 1

TAB

SCREWS

REMOVE

BLOWER HOUSING

Style 2

SCREW

Cover / blower housing

KEEP AREAS

WITHIN HEAVY LINE

CLEAR OF ALL DEBRIS

DO NOT

BEND OR

REMOVE

Replace Oil-Foam element if very dirty or damaged.

• Remove screw.

DO NOT LOOSEN

BAND BRAKE SCREWS

• Carefully remove air cleaner to prevent debris from

falling into carburetor.

Air Cooling System

• Take air cleaner apart and clean all parts. Wash

Oil-Foam element in liquid detergent and water.

Squeeze dry in a clean cloth. Saturate Oil-Foam

element in engine oil and squeeze in a clean cloth to

remove excess oil.

REMOVING AND RE-INSTALLING COVER/

BLOWER HOUSING

[1] Remove 2 screws from cover (if equipped) and lift

cover straight until tab clears.

• Install Oil-Foam element and cup, if equipped, in

body.

[2] Remove 3 screws and blower housing.

Note: Do not loosen 2 band brake bracket screws. Do not

bend or remove flywheel guard.

Note: On Style 2 air cleaner, install element so lip Ê

extends over edge of body to form protective seal when

cover is assembled.

[3] Clean areas shown.

• Install air cleaner securely on carburetor with screw.

[4] Reinstall blower housing and cover (if equipped).

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MAINTENANCE

ENGINE AND ENGINE PARTS

We recommend that you see an authorized Briggs & Stratton Service Dealer for all maintenance and service of the engine

and engine parts. Use only genuine Briggs & Stratton parts.

If you perform any maintenance on the engine, first disconnect the spark plug wire

from the spark plug, and disconnect the battery at the negative terminal (electric

WARNING

starter engines only) to prevent unintentional sparking. Unintentional sparking can

result in fire or electric shock. Unintentional start-up can result in entanglement,

traumatic amputation or laceration. Use only correct tools.

• Do not strike the flywheel with a hammer or hard object because the flywheel may

later shatter during operation.

WARNING

• Do not tamper with governor spring, links or other parts to increase engine speed.

MUFFLER

CLEANING DEBRIS

Replacement parts for the

muffler must be the same

and installed in the same

position as the original parts,

otherwise fire can occur.

CAUTION: Do not use water to clean engine parts.

Water could contaminate fuel system. Use a brush

or dry cloth.

WARNING

Engine parts should be kept

WARNING clean to reduce the risk of

overheating and ignition of accu-

If muffler is equipped with

spark arrester screen, re-

mulated debris. This is especial-

ly important if cutting tall grass.

move screen for inspection. Replace screen if damaged

or plugged.

SPARK PLUG

Daily or before every use, clean grass, chaff or accumu-

lated debris from engine. Keep linkage, spring and controls

clean. Keep area around and behind muffler free of any

combustible debris.

Use only Briggs & Stratton Spark Tester (part number

19368) to check for spark.

Note: In some areas, lo-

.030” (0.76 mm)

WIRE GAGE

cal law requires using re-

sistor spark plug to sup-

ROTATING

SCREEN

FINGER GUARD

press ignition signals. If

this engine was originally

equipped with resistor

spark plug, use same type

for replacement.

CLEAN

COMBUSTION DEPOSITS

Finger Guard

Linkage, Springs

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.

& Controls

FUEL SYSTEM

CLEAN

Replacement parts for fuel

system (cap, hoses, tanks,

WARNING

filters, etc.) must be the

same as original parts,

otherwise fire can occur.

CLEAN

Muffler Area & Spark Arrester

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ADJUSTMENTS

CARBURETOR ADJUSTMENT

WARNING

The carburetor on this engine is not adjustable.

WARNING

Prevent unintentional starting.

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.

Before performing adjustments, remove spark plug

wire from spark plug.

THROTTLE ADJUSTMENT

If the engine does not start or if it runs roughly, the

remote throttle control may need adjustment. See

your authorized Briggs & Stratton dealer or follow

the instructions below.

CASING CLAMP

ALTERNATE

ROUTING

CASING CLAMP

SCREW

TO ADJUST REMOTE THROTTLE*

* On some models the governor lever is bent into

position and is not adjustable.

GOVERNOR

CONTROL

LEVER

[1] Loosen casing clamp screw.

[2] Move governor control lever, wire, and casing as far

as possible in direction shown.

ALTERNATE

ROUTING

CASING CLAMP

SCREW

[3] Move remote throttle control to FAST.

[4] Tighten casing clamp screw.

[5] Move throttle to STOP (if equipped).

CASING CLAMP

SCREW

GOVERNOR CONTROL

LEVER

TO ADJUST STOP SWITCH

STOP

SWITCH

[1] Governor control lever should make good contact

with stop switch. Readjust if necessary.

[2] Check operation of throttle.

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SERVICE & STORAGE

PARTIAL LIST OF

An illustrated shop manual includes

common specifications and detailed in-

formation covering adjustment, tune-up

and repair of Briggs & Stratton single

cylinder, L-head, 4 cycle engines. It is

available for purchase from an Autho-

rized Briggs & Stratton Service Dealer or

you can order it from the factory. Write:

Briggs & Stratton Corporation

GENUINE BRIGGS & STRATTON PARTS

PART

PART NO.

Oil-Foam air cleaner element

Oil-Foam air cleaner element used with cup

698369

272235

(5047)

Oil

100005

5041

Gas additive

Attn: Service Division

Part No. 270962

Resistor spark plug

Standard spark plug

Long life platinum spark plug

(used on most L-head engines)

Spark plug wrench

Spark tester

802592

492167

5062

P. O. Box 1144

Milwaukee, WI 53201

89838

19368

5056

Oil pump kit

(uses standard electric drill to remove oil from engine quickly)

SERVICE

See an Authorized Briggs & Stratton Service Dealer. 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 & Stratton standards.

When you purchase equipment powered by a

Briggs & Stratton engine, you are assured of

highly skilled, reliable service at more than

30,000

Authorized

Service

Dealers

worldwide, including more than 5,000 Master

Service 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

m or in the “Yellow Pages”

directory under “Engines, Gasoline” or “Gasoline

 Engines,” or “Lawn Mowers” or similar category.

Note: Walking fingers logo and “Yellow Pages” are regis-

tered trademarks in various jurisdictions.

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SERVICE & STORAGE

[2] While engine is still warm, change oil.

STORAGE

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

engine oil into cylinder. Replace spark plug and crank

slowly to distribute oil.

Engines stored over 30 days need special attention.

[1] To prevent gum from forming in fuel system or on

essential carburetor parts:

[4] Clean engine of surface debris, chaff or grass.

a) 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, or b) if

fuel tank contains gasoline, either run engine until it

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

gas in the tank. (See parts list. Single – use pouches of

gas additive are available from your service dealer.) If

you use a gas additive, run the engine for several

minutes to circulate the additive through the carburetor.

Then, engine and fuel can be stored up to 24 months.

[5]

Store in a clean, dry area.

WARNING 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.

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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 the

time periods and subject to the 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.

(Kool Bore)

(Sleeve Bore)

Consumer Use

2 years

1 year

2 years

90 days

1 year

90 days

2 years

1 year

Commercial Use

Note the following special warranty periods: 2 years for Classic engines in the European Union and Eastern European countries, for all consumer products in

the European Union, and for emission control systems on engines certified by EPA and CARB. 5 years for consumer use, 90 days for commercial use of Touch-N-

Mow starter on Quantum and Intek engines. Engines used in competitive racing or on commercial or rental tracks are not warrantied.

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 pur-

poses 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.

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EMISSION CONTROL WARRANTY COVERAGE IS APPLICABLE TO CERTIFIED ENGINES PURCHASED IN CALIFORNIA IN 1995 AND THERE-

AFTER, WHICH ARE USED IN CALIFORNIA, AND TO CERTIFIED MODEL YEAR 1997 AND LATER ENGINES WHICH ARE PURCHASED AND

USED ELSEWHERE IN THE UNITED STATES (AND AFTER JANUARY 1, 2001 IN CANADA).

The California Air Resources Board (CARB), U.S. Elsewhere in the United States, new non-road, Your emission control system includes parts

EPA and B&S are pleased to explain the Emission spark-ignition engines certified for model year such as the carburetor, air cleaner, ignition sys-

Control System Warranty on your model year 1997 and later must meet similar standards set tem, muffler and catalytic converter. Also in-

2002 and later small off-road engine (SORE). In forth by the U.S. EPA. B&S must warrant the emis- cluded may be connectors and other emission

California, new small off-road engines must be de- sion control system on your engine for the periods related assemblies.

signed, built and equipped to meet the State’s of time listed below, provided there has been no

Where a warrantable condition exists, B&S will

repair your small off-road engine at no cost to

you including diagnosis, parts and labor.

stringent anti-smog standards.

abuse, neglect or improper maintenance of your

small off-road engine.

Small off-road engines are warranted relative to emission 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.

As the small off-road engine owner, you are re- As the small off-road engine owner, you should The undisputed warranty repairs should be

sponsible for the performance of the required however be aware that B&S may deny you war- completed in a reasonable amount of time, not

maintenance listed in your Operating and Main- ranty coverage if your small off-road engine or a to exceed 30 days.

tenance Instructions. B&S recommends that part has failed due to abuse, neglect, improper

you retain all your receipts covering mainte- maintenance or unapproved modifications.

If you have any questions regarding your war-

ranty rights and responsibilities, you should con-

nance on your small off-road engine, but B&S

You are responsible for presenting your small

tact

B&S Service Representative at

cannot deny warranty solely for the lack of re-

off-road engine to an Authorized B&S Service

1-414-259-5262.

ceipts or for your failure to ensure the perfor-

mance of all scheduled maintenance.

Dealer as soon as a problem exists.

The emission warranty is a defects warranty.

Defects are judged on normal engine perfor-

mance. The warranty is not related to an in-use

emission test.

The following are specific provisions relative to your Emission 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

2. Length of Coverage

set forth in the B&S Engine Warranty Policy.

B&S is not liable to cover failures of War-

ranted Parts caused by the use of add-on,

non-original, or modified parts.

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.

Coverage under this warranty extends only

to the parts listed below (the emission con-

trol systems parts) to the extent these parts

were present on the engine purchased.

5. Maintenance

a. Fuel Metering System

Any Warranted Part which is not scheduled

for replacement as required maintenance or

which is scheduled only for regular inspec-

tion to the effect of “repair or replace as nec-

essary” shall be warranted as to defects for

the warranty period. Any Warranted Part

which is scheduled for replacement as re-

quired 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 perfor-

mance and durability may be used in the per-

formance of any maintenance or repairs.

The owner is responsible for the perfor-

mance of all required maintenance, as de-

fined in the B&S Operating and Maintenance

Instructions.

•

Cold start enrichment system

Carburetor and internal parts

Fuel Pump

3. No Charge

Repair or replacement of any Warranted

Part will be 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 Ser-

vice Dealer as listed in the “Yellow Pages”

under “Engines, Gasoline,” “Gasoline En-

gines,” “Lawn Mowers,” or similar category.

b. Air Induction System

•

Air cleaner

Intake manifold

c. Ignition System

•

Spark plug(s)

Magneto ignition system

d. Catalyst System

•

Catalytic converter

Exhaust manifold

Air injection system, Pulse valve

4. Claims and Coverage Exclusions

Warranty claims shall be filed in accordance

with the provisions of the B&S Engine War-

ranty Policy. Warranty coverage shall be ex-

cluded for failures of Warranted Parts which

are not original B&S parts or because of

abuse, neglect or improper maintenance as

e. Miscellaneous Items

6. Consequential Coverage

•

Vacuum, temperature, position,

time sensitive valves

and switches

Coverage hereunder shall extend to the fail-

ure of any engine components caused by

the failure of any Warranted Part still under

warranty.

•

Connectors and assemblies

(

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5,819,513

5,813,384

5,765,713

5,645,025

5,642,701

5,619,845

5,606,948

5,606,851

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

5,086,890

5,070,829

5,058,544

5,040,644

5,009,208

4,996,956

4,977,879

4,971,219

4,895,119

4,819,593

4,719,682

4,633,556

4,630,498

4,522,080

4,520,288

4,512,499

4,453,507

4,430,984

DES. 308,871

DES. 308,872

DES. 309,457

DES. 356,951

DES. 361,771

DES. 375,963

6,325,036

6,284,123

6,260,529

6,230,678

6,202,616

6,116,212

6,077,063

6,064,027

6,014,808

5,894,715

5,852,951

5,823,153

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