Operating & Maintenance
Instructions
The Power That Works For You)
Model 12K300 IntekE Series for Pump applications
covered in this manual
FORM NO. 276797-1/06
PRINTED IN U.S.A.
© Copyright 2006 by Briggs & Stratton Corporation
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Engine Features
1
2
1. Engine Identification Model Type Code
2. Spark Plug
3. Oil Fill
4. Oil Drain
5. Stop Switch
6. Starter Handle
7. Air Cleaner
8. Choke Control
9. Kerosene Tank
10. Primer Bulb
3
9
4
8
10
7
6
4
5
3
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Operator Safety
WARNING
WARNING
Starting engine creates sparking.
Sparking can ignite nearby flammable
gases.
Kerosene and its vapors are extremely
flammable and explosive.
Fire or explosion can cause severe burns or
death.
Explosion and fire could result.
WHEN ADDING FUEL
• If there is natural or LP fuel leakage in area, do
not start engine.
• Turn engine OFF and let engine cool at least 2
minutes before removing fuel cap.
• Do not use pressurized starting fluids because
vapors are flammable.
• Fill fuel tank outdoors or in well-ventilated area.
• Do not overfill fuel tank.
• Keep kerosene away from sparks, open flames,
pilot lights, heat, and other ignition sources.
WARNING
• Check fuel lines, tank, cap, and fittings frequently
for cracks or leaks. Replace if necessary.
Engines give off carbon monoxide, an
odorless, colorless, poison gas.
Breathing carbon monoxide can cause
nausea, fainting or death.
WHEN STARTING ENGINE
• Make sure spark plug, muffler, fuel cap and air
cleaner are in place.
• DO NOT start engine with air filter or cover not
properly installed. Serious injury or death could
result from backfire.
• Start and run engine outdoors.
• Do not start or run engine in enclosed area, even if
• Do not crank engine with spark plug removed.
doors or windows are open.
• If fuel spills, wait until it evaporates before starting
engine.
• If engine floods, set choke to OPEN/RUN position,
WARNING
Rapid retraction of starter cord (kickback) will
pull hand and arm toward engine faster than
you can let go.
place throttle in FAST and crank until engine starts.
WHEN OPERATING EQUIPMENT
• Do not choke carburetor to stop engine.
WHEN TRANSPORTING EQUIPMENT
• Transport with fuel tank EMPTY.
WHEN STORING KEROSENE OR EQUIPMENT
WITH FUEL IN TANK
Broken bones, fractures, bruises or sprains
could result.
• When starting engine, pull cord slowly until
resistance is felt, then pull rapidly.
• Direct coupled equipment components such as,
but not limited to, blades, impellors, pulleys,
sprockets, etc., must be securely attached.
• Store away from furnaces, stoves, water heaters or
other appliances that have pilot light or other
ignition source because they can ignite fuel vapors.
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.
4
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WARNING
WARNING
Running engines produce heat. Engine
parts, especially muffler, become extremely
hot.
Severe thermal burns can occur on
contact.
Unintentional sparking can result in fire or
electric shock.
Unintentional start-up can result in
entanglement, traumatic amputation, or
laceration.
Combustible debris, such as leaves, grass,
brush, etc. can catch fire.
• Allow muffler, engine cylinder and fins to cool
BEFORE PERFORMING ADJUSTMENTS OR
REPAIRS
before touching.
• Remove accumulated combustibles from muffler
• Disconnect spark plug wire and keep it away from
area and cylinder area.
spark plug.
• 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.
• Do not strike the flywheel with a hammer or hard
object because the flywheel may later shatter
during operation.
• Do not tamper with governor spring, links or other
parts to increase engine speed.
• Use only correct tools.
WHEN TESTING FOR SPARK
• Use approved spark plug tester.
• Do not check for spark with spark plug removed.
5
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Oil Recommendation
Use a high quality detergent oil classified “For Service SF, SG, SH, SJ” or higher.
Do not use special additives.
Determine best grade for use by temperature during
operation, see chart.
SAE 30 405F and higher (55C and higher)
is good for all purpose use above 40°F, use below 40°F
will cause hard starting.
10W-30 0 to 1005F (−18 to 385C)
is better for varying temperature conditions. This grade of
oil improves cold weather starting, but may increase oil
consumption at 80°F (27°C) or higher.
Check oil level frequently at higher temperatures.
Synthetic 5W-30 −20 to 1205F (−30 to 405C)
provides the best protection at all temperatures as well as
improved starting with less oil consumption.
5W-30 405F and below (55C and below)
is recommended for winter use, and works best in cold
conditions.
Oil Capacity
The engine holds approximately 5/8 qt. (20 oz; 0.6 liter).
Adding Oil
• Check oil level before starting the engine.
A
• Keep oil level at FULL.
• Check level daily, or after every eight (8) hours.
1. Place engine level and clean around oil fill plug. (A)
2. Remove oil fill plug. Fill oil to point of overflowing. (B)
3. Replace plug before starting engine.
B
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Fuel Recommendation
Kerosene
• Use clean, fresh kerosene. Fresh kerosene prevents gum
from forming in the fuel system or on essential carburetor
parts. Purchase kerosene in quantity that can be used
within 30 days.
A
• To keep kerosene fresh and protect the engine use a
Kerosene Additive.
• Do not mix oil with kerosene.
Adding Fuel
1. Replace cap before starting.
2. Clean area around black kerosene cap and remove.
Fill tank to approximately 1-1/2 inches below top of
neck to allow for fuel expansion (A). Be careful not to
overfill.
3. Replace cap before starting.
WARNING
Kerosene and its vapors are extremely
flammable and explosive.
Fire or explosion can cause severe burns
or death.
WHEN ADDING FUEL
• Turn engine OFF and let engine cool at least 2
minutes before removing fuel cap.
• Fill fuel tank outdoors or in well-ventilated area.
• Do not overfill fuel tank.
• Keep kerosene 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.
7
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Starting Engine
1. Check oil level.
2. Fill kerosene tank with kerosene.
3. Fill petrol tank with petrol per the equipment
manufacturer’s instructions.
4. Move CHOKE to choke position (A).
5. Move throttle control to fast position, if equipped.
6. Open kerosene shut off valve (B).
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.
7. Push rocker switch to ON position (C).
8. Push primer bulb three times (D).
• When starting engine, pull cord slowly until
resistance is felt, then pull rapidly.
• Direct coupled equipment components such as,
but not limited to, blades, impellors, pulleys,
sprockets, etc., must be securely attached.
9. Grasp rope handle. Pull slowly until resistance is felt,
then pull rapidly to start engine and avoid kickback (E).
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.
A
E
D
B
C
A
Adjusting Choke
After engine has started, slowly adjust choke to OPEN (A)
position as engine warms up.
8
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Operation
Do not tip engine or equipment at angle which causes
kerosene or petrol to spill.
WARNING
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.
Stopping Engine
WARNING
Do not stop engine by moving choke control to
CHOKE.
Backfire, or explosion can cause severe burns
or death. Engine damage may occur.
A
1. Do not move choke lever. (A)
2. Push stop switch to OFF position (1).
3. Close kerosene shut off valve (2).
C
B
Troubleshooting
Need Assistance?
Starter Handle will Not Pull
Place equipment on flat level surface.
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.
Engine will Not Start
Out of Fuel
• Add kerosene to tank.
• Prime engine.
WARNING
• Ensure fuel cap is in place before starting
Engine Flooded
engine
• Set choke (if equipped) to OPEN/RUN position, and
• Turn engine OFF and let engine cool at
least 2 minutes before removing fuel cap.
continue to pull starter handle.
Spark Plug Fouling
• Check an ensue the spark plug is clean. Check the gap
with a feeler gage and reset to .76 mm or .030 in. if
necessary.
• Do not crank engine with spark plug
removed.
• Replace the spark plug if upon inspection the electrode
is burned or worn.
Engine is Smoking or Running
Rough
Engine may have been tipped during
CAUTION
transport.
If engine is tipped to transport equipment, to remove
debris, to drain oil, etc., keep the spark plug side
of engine up.
• Check for fouled spark plug.
• Check air cleaner filter for oil saturation. If clean but
saturated, squeeze in clean, absorbant cloth to remove
ALL EXCESS oil. If filter is dirty see page 11 for
servicing air cleaner.
9
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Engine Specifications
Technical Information
CAUTION
Operation of this engine is for the application it was
intended for. All the components used to build this
engine assembly must remain in place for the proper
operation of this engine.
Power Ratings: The power ratings for an individual engine
model are initially developed by starting with SAE (Society
of Automotive 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 environmental
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
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.
equipment (actual “on-site” power). This difference is due
to a variety of factors including, but not limited to, the
following: differences in altitude, temperature, barometric
pressure, humidity, fuel, engine lubrication, maximum
governed engine speed, individual engine to engine
variability, design of the particular piece of power
Model Series 120000
Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.69 in. (68.26 mm)
Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.04 in. (52 mm)
Displacement . . . . . . . . . . . . . . . . . . . . 11.57 cu. in. (190 cc)
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.
Tune-up Specifications
Armature air gap . . . . . 0.010 − 0.014 in. (0.25 − 0.36 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 . . . . . . . . . . . . . . . 0.004 − 0.006 in. (0.10 − 0.15 mm)
Exhaust . . . . . . . . . . . . . 0.009 − 0.011 in. (0.23 − 0.28 mm)
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°.
Model, Type and Code Number
To get replacement parts or technical assistance in the
future write you 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 Series
Type
Code
10
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Engine 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.
WARNING
Unintentional sparking can result in
fire or electric shock.
Fire or explosion can cause severe
burns or death.
Unintentional start-up can result in
entanglement, traumatic
amputation, or laceration.
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.
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.
Check Oil Level
Clean Debris
Service Air Cleaner*
Change Oil **
Replace Spark Plug
Clean Air Cooling System
Clean Combustion Chamber
*
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 50 hours. Change oil every 25 hours when operating the engine
under heavy load or in high temperatures.
11
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Changing Oil
WARNING
Disconnect spark plug wire and keep it
away from spark plug while performing
maintenance.
Change oil after first 5 to 8 hours of use, then every 50
hours. Change oil every 25 hours when operating the
engine under heavy load or in high temperatures.
1. Change oil while the engine is warm.
2. Clean around oil drain plug.
3. Remove plug and 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.
4. Clean oil drain plug before reinstalling.
5. Clean around oil filler plug and remove.
6. Place engine level. Add about 5/8 quart (20 ounces: 0.6
liter) new oil. Oil should be full (almost overflowing).
Replace plug before starting engine
7. Clean oil filler plug before reinstalling.
Air Cleaner
WARNING
1. Loosen cover screw.
Ensure air cleaner and cover are properly
reinstalled before starting engine.
2. Remove cover and air cleaner assembly from base.
3. Remove air cleaner assembly from inside of cover and
disassemble.
Fire could occur if engine is started with
out cover in place.
4. To service foam air cleaner:
Wash in liquid detergent and water. Squeeze dry in clean
cloth. Saturate in engine oil. Squeeze in clean, absorbent
cloth to remove ALL EXCESS oil. If very dirty or damaged,
replace it.
AIR CLEANER ASSEMBLY
CAUTION
Do not use pressurized air or solvents to clean
foam. Pressurized air can damage foam; solvents
will dissolve foam.
5. Reassemble retainer on foam air cleaner. Install this
assembly into cover.
RETAINER
BASE
6. Insert tabs on cover into slots in base. Tighten cover
screw securely.
FOAM AIR CLEANER
COVER
Spark Plug
Check the spark plug every 100 hours. Replace the spark
plug if upon inspection the electrode is burned or worn.
Ensure the spark plug is clean. Check the gap with a feeler
gage and reset to .76 mm or 0.030 in. if necessary. Use
only Briggs & Stratton Spark Tester (part number 19368) to
check for spark.
.030” (0.76 mm) WIRE GAGE
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.
12
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Cleaning Debris
Daily or before every use, clean accumulated debris from
engine. Keep linkage, spring and controls clean. Keep area
behind and around muffler free of any combustible debris.
WARNING
Engine parts should be kept clean to re-
duce the risk of overheating, and igniting
debris buildup.
CAUTION
Do not use water to clean engine parts. Water
could contaminate fuel system. Use a brush or dry
cloth.
Fuel System
Replacement parts for fuel system (cap, hoses, tanks,
filters, etc.) must be the original parts, otherwise fire can
occur.
WARNING
Fire may occur if non-original equipment
manufactured parts are used for
replacement.
Combustion Deposits
We recommend that after every 100-400 hours you have an authorized Briggs & Stratton Service Dealer remove combustion
deposits from the cylinder, cylinder head, top of piston, and around valves.
Air Cooling System
Debris may clog engine’s air cooling system, especially
after prolonged service.
REMOVE
BLOWER
HOUSING TO
CLEAN
AIR COOLING
SYSTEM
Remove blower housing and clean area shown to prevent
overheating and engine damage.
When reinstalling housing ensure all hoses and wires are
in place.
WARNING
Disconnect spark plug wire and keep it
away from spark plug while performing
maintenance.
13
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Storage
If engine is stored over 30 days, prepare as follows:
WARNING
1. Operate until fuel tank is empty, if possible
2. While engine is still warm, change oil.
3. Remove spark plug and pour about 1/2 oz. (15 ml.) of
engine oil into cylinder. Replace spark plug, but do not
attach spark plug wire. Crank engine over by slowly
pulling rope handle to distribute oil.
Kerosene and its vapors are extremely
flammable and explosive.
Fire or explosion can cause severe burns
or death.
4. Clean engine of accumulated debris.
WHEN STORING KEROSENE 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 fuel vapors.
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.
WHEN TRANSPORTING EQUIPMENT
• Transport with fuel tank EMPTY.
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
PARTIAL LIST OF
GENUINE BRIGGS & STRATTON PARTS
Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10030C
Filter − Air Cleaner Foam . . . . . . . . . . . . . . . . . . . . . . 696263
Resistor Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . 802592
Standard Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . 492167
Spark Pug Wrench . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89838
Spark Tester . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19368
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 6,000
Master Service Technicians. Look for
these signs wherever Briggs & Stratton
service is offered.
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, OHV, 4 cycle
engines. It is available for purchase from an Authorized
Briggs & Stratton Service Dealer.
You may find the nearest Authorized Service Dealer
in our dealer locator map at
Need Assistance?
14
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Warranty
Effective January 1, 2006 replaces all undated Warranties and all Warranties dated before January 1, 2006.
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 product 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
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**
Consumer
Use
Commercial
Use
Condition of
Warranty Term
Brand / Product Type
Classict
1 year
90 days
1 year
2 years Consumer Use in European Union
Etekt
1 year
Extended Life Seriest
Fourcet
2 years
2 years
2 years
2 years
2 years
2 years
1 year
1 year
90 days
1 year
I/C®
Industrial Plust
Intekt (Kool Bore)
Intekt (Sleeve Bore)
Kerosene fuel operated engines
Power Builtt OHV
Q45t
1 year
90 days
1 year
90 days
90 days
90 days
90 days
90 days
90 days
2 years
90 days
90 days
2 years
2 years
2 years
2 years
2 years
2 years
2 years
5 years
Quantum®
Quattrot
Sprintt
Vanguardt
2-Cycle Snow engine
Touch-N-Mow® Starter
Equipped on Quantum® or Intekt engines
**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 warrantied.
The warranty period begins on the date of purchase by the first retail consumer or commercial end user, and continues forthe
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.
15
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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.
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:
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.)
3. Leaking carburetors, clogged fuel pipes, sticking valves,
or other damage, caused by using contaminated or stale
fuel.
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 and 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.
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.
5. Repair or adjustment of associated parts or assemblies
such as clutches, transmissions, remote controls, etc.,
which are not manufactured by Briggs & Stratton.
6. Damage or wear to parts caused by dirt, which entered
the engine because of improper air cleaner maintenance,
re-assembly, or use of a non-original air cleaner element
or cartridge. At recommended intervals, clean and/or
replace the filter as stated in the Operator’s Manual.
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 engine debris at recommended
intervals as stated in the Operator’s Manual.
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.
Normal wear:
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:
The life of an engine depends upon the conditions under
which it operates, and the care it receives. Some engines are
used in dusty or dirty conditions, which can cause premature
wear. Wear caused by dirt, dust, or other abrasive material
that has entered the engine because of improper
maintenance, is not covered by warranty.
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.
Warranty service is available only through authorized service
dealers by Briggs & Stratton Corporation. Locate your
nearest Authorized Service Dealer in our dealer locator map
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