Briggs & Stratton Industrial plus 90000 User manual

Document: - page 1 (Black)

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Model Series

Covered in

This Manual

90000

Industrial Plus

Operating & Maintenance

Instructions

Model Type Code

Month Day Year

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.

TABLE OF CONTENTS

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

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. . . . . . . . . . . . . . . . . . . . .

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.

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.

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The Power That Works For You.

After July 1, 2000, Look For Emissions Compliance Period On

Engine Emissions Compliance Label

After July 1, 2000 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, B = 250 hours

and A = 500 hours. For engines of 225 cc or more, Category C = 250 hours, B = 500 hours and A = 1000 hours.

The displacement of Model Series 90000 engine is 148 cc.

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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.

274779

The safety alert symbol ( ) is used to identify safety

information about hazards that can result in personal injury.

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.

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 could result in damage

to the engine.

WARNING

The engine exhaust from this prod-

uct contains chemicals known to the

State of California to cause cancer,

birth defects, or other reproductive

harm.

HAZARD SYMBOLS AND MEANINGS

Explosion

Toxic Fumes

Moving Parts

ShockHot Surface

Kickback

Fire

THE INTERNATIONAL SYMBOLS USED

ON THE ENGINE OR

IN THIS MANUAL INCLUDE:

On Off

Fuel Shutoff

Read Owner’s

Manual

Stop Fuel

Choke

Safety Alert

Oil

*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

Gasoline and its vapors are extremely

flammable and explosive.

Fire or explosion can cause severe burns

or death.

WARNING

WHEN ADDING FUEL

•Turn engine OFF and let engine cool at least 2

minutes before removing gas cap.

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

•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.

WHEN STARTING ENGINE

•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.

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

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 gasoline

vapors.

Starting engine creates sparking.

Sparking can ignite nearby flammable

gases.

Explosion and fire could result.

WARNING

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

start engine.

•Do not use pressurized starting fluids because

vapors are flammable.

WARNING

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.

•When starting engine, pull cord slowly until

resistance is felt, then pull rapidly.

•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.

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 jewelry.

•Do not wear loose-fitting clothing, dangling

drawstrings or items that could become caught.

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SAFETY

Engines give off carbon monoxide, an

odorless, colorless, poison gas.

Breathing carbon monoxide can cause

nausea, fainting or death.

WARNING

•Start and run engine outdoors.

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

doors or windows are open.

WARNING

Running engines produce heat. Engine

parts, especially muffler, become extremely

hot.

Severe thermal burns can occur on contact.

Combustible debris, such as leaves, grass,

brush, etc. can catch fire.

•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.

WARNING

Unintentional sparking can result in fire or

electric shock.

Unintentional start-up can result in en-

tanglement, traumatic amputation, or lac-

eration.

BEFORE PERFORMING ADJUSTMENTS OR

REPAIRS

•Disconnect spark plug wire and keep it away from

spark plug.

•Disconnect battery at negative terminal (only

engines with electric start).

WHEN TESTING FOR SPARK

•Use approved spark plug tester.

•Do not check for spark with spark plug removed.

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. Rope handle

2. Carburetor

3. Air cleaner

4. Fuel shut-off valve

5. Fuel tank (if equipped)

6. Fuel fill

7. Stop switch (if equipped)

8. Engine Model Type Code

xxxxx xxxx xx xxxxxxxx

9. Blower housing

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

(Spark arrester, if equipped)

11. Oil drain plug

12. Oil fill cap

13. Crankshaft

14. Extended oil fill/

Dipstick (if equipped)

15. Spark plug (see page 15)

11 10

GENERAL INFORMATION

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

sions engine.

MODEL SERIES 90000

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

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

Displacement 9.02 cu. in. (148.0 cc). . . . . . . . . . . . . . . . . .

TUNE-UP SPECIFICATIONS

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

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

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.

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

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

Note: For practical operation, the horsepower loading should not

exceed 85% of rated horsepower. Engine power will de-

crease 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).

Engine will operate satisfactorily at an angle up to 15°.

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OIL

274779

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 2/3 qt (18-20 ozs; 0.55

liter).

TYPE OF OIL TO USE

•Use a high quality detergent oil classified “For Service

SF, SG, SH, SJ” or higher, such as Briggs & Stratton 30,

Part Number 100005 (20 oz) or 100028 (48 oz).

•Do not use special additives.

•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.

°F-20 0 20 40 60 80 100

°C-30 -20 -10 0 10 20 30 40

STARTING TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE

*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.

** 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.

SAE Viscosity Grades

CHECKING AND ADDING OIL

•Check oil level before starting the engine.

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

•Keep oil level at FULL.

•Do not overfill.

Note: If this engine is equipped with gear reduction, see gear reduction oil filling instructions on page 11.

[1] Place engine level and

clean around oil fill area.

[2] Remove dipstick (if equipped).

[3] Add oil, if needed. Pour slowly - recheck.

High

Oil Fill

(if equipped)

[4] Fill to FULL line on dipstick.

[5] Replace and tighten oil fill cap

or dipstick.

[1] Place engine level and

clean around oil fill area.

[2] Remove oil fill cap.

[3] Add oil, if needed. Pour slowly -

recheck. Fill to point of overflowing.

Low

Oil Fill

OIL LEVEL

[4] Replace and tighten

oil fill cap.

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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 (P/N 5041 or single use pouch).

•This engine is certified to operate on gasoline. Exhaust

Emission Control System: EM (Engine Modifications).

CAUTION: Some fuels, called oxygenated or reformu-

lated 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 operating symptoms occur, use gasoline

with a lower percentage of alcohol or ether.

ADDING FUEL

WARNING

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

away from sparks, open flames, pilot lights,

heat, and other ignition sources.

•If fuel spills, wait until it evaporates before

starting engine.

•Turn engine OFF and let engine cool at least 2

minutes before removing gas cap.

Fuel Fill

[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.

Briggs & Stratton Smart-fillfuel can fills to the

correct level and automatically shuts off, reducing

spills and emissions.

[2] Replace cap before starting.

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STARTING AND STOPPING

WARNING

•Do not use pressurized

starting fluids.

•Vapors are flammable.

STARTING AND OPERATING TIPS

♦Store and fuel equipment in

level position.

♦Use fresh fuel. (See Fuel.)

♦Use correct type of oil for

expected starting temperature.

(See Oil.)

♦Remove external equipment/

engine loads. (See equipment

operating instructions.)

♦Periodically remove any debris

buildup from the machine (See

Maintenance.)

♦After engine has started, let it

warm up several seconds to

several minutes, depending on

outside temperature.

♦For maximum performance and

life, operate engine with choke

in RUN and throttle in FAST.

REWIND (MANUAL) STARTER

TO START ENGINE

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

[2] Open fuel shut-off Valve

[3] Move throttle to

FAST

(if equipped).

Operate engine

with throttle in

FAST.

Throttle

OIL LEVEL

FULL CHOKE

POSITION

Choke

1/4 TURN

COUNTER

CLOCKWISE

Shut-off valve [4] Move choke lever to CHOKE.

Once engine starts, gradually

move choke to RUN.

[5] Move stop switch to ON

(if equipped).

WARNING

OFF

Stop switch

•When starting engine,

pull cord slowly until

resistance is felt, then

pull rapidly.

[6] Allow engine to

warm up.

If choke equipped:

Slowly adjust toward

RUN position. Wait

until engine runs

smoothly before each

choke adjustment.

TO STOP ENGINE

[1] Move throttle to SLOW,

then STOP

(if equipped).

[2] Push stop switch

to OFF

(if equipped).

Stop switch

OFF

1/4 TURN

CLOCKWISE

[3] Close fuel

shut-off valve.

Throttle Shut-off valve

CAUTION: Do not stop

engine by moving choke

control to CHOKE.

Backfire, fire or engine

damage could occur.

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MAINTENANCE

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.

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.

Follow the instructions and schedules indicated below.

Task

Perform task at hourly

or calendar interval,

whichever comes first.

Every 8 Hours

or Daily

25 Hours or

Every Season

50 Hours or

Every Season

100 Hours or

Every Season

100-300 Hours

Check Oil Level 4

Change Oil 4*

Change oil in gear re-

duction (if equipped) 4

Service air cleaner

pre-cleaner (if equipped) 4**

Service air cleaner car-

tridge (if not equipped

with pre-cleaner)

4**

Service air cleaner car-

tridge (if equipped with

pre-cleaner)

4**

Inspect spark arrester

(if equipped) 4

Replace spark plug 4

Clean cooling system 4**

Clean combustion

chamber 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 present. Replace air cleaner parts, if

very dirty.

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.

CHANGING OIL

Change oil after first 5 hours of use.

WARNING

Typical drain plugs

1/4” HEX PIPE

[1] Place engine level.

[2] Disconnect spark plug

wire and keep it away

from spark plug.

[3] With engine OFF but still warm remove oil drain

plug and drain oil into appropriate receptacle.

[4] Reinstall drain plug. Remove oil fill cap or dipstick.

[5] Add about 2/3 quart (21 ounces; 0.6 liter) new oil.

Fill to point of overflowing at oil fill cap or to FULL

line on dipstick. Do not overfill.

[6] Replace oil fill cap or dipstick.

OIL LEVEL

Low oil fill High oil fill

(if equipped)

OIL

DRAIN

PLUG

OIL FILL

CAP

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