Briggs Stratton Lawn Mower MODEL 290000 User Manual

Operator’s Manual  
Vanguard  
Vanguard  
Vanguard  
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  
3
2
4
1
5
6
10  
11  
9
8
12  
7
13  
14  
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Safety  
WARNING  
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.  
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.  
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.  
5
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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  
0
20  
32 40  
0
60  
80  
100  
40  
°F  
°C  
-20  
-10  
10  
20  
30  
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.)  
6
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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.  
7
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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.  
8
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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  
9
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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.  
10  
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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  
25  
Hours  
50  
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.  
11  
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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.  
12  
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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.  
Ë
Ì
Ê
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.  
13  
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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  
CLEAN  
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  
14  
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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  
15  
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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  
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?  
or call 1-800-233-3723  
16  
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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.  
a
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  
or  
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  
17  
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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.)  
18  
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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  
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  
2 years  
Commercial Use  
2 years  
1 year  
Vanguard  
t
Extended Life Seriest , I/CR , Intek I/CR , Intek Pro  
t
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.  
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19  
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