Briggs Stratton Automobile Parts 350000 User Manual

290000, 300000, 350000, 380000  
GB  
E
Operating & Maintenance Instructions  
Instrucciones de Mantenimiento & Operación  
Instructions d’utilisation et de maintenance  
F
Briggs & Stratton Corporation  
Milwaukee, Wisconsin 53201  
FORM NO. MS-5249--03/06  
PRINTED IN U.S.A.  
© Copyright 2006 by Briggs & Stratton Corporation  
Note: (This note applies only to engines used in the U.S.A.) 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.  
WHEN USING THIS MANUAL, FIGURES REFERENCED IN THE TEXT ARE  
GB  
SYMBOLS ASSOCIATED WITH THIS ENGINE  
FOUND ON THE INSIDE FRONT AND INSIDE BACK COVERS.  
ENGINE FEATURES - SEE FIGURE  
1
Read Operator’s  
Safety Alert  
Manual  
1
2
Air cleaner  
Carburetor / LP/NG mixer cover  
Finger guard  
Shock  
3
Fire  
4
Starter rope  
5
6
7
8
Blower housing  
Hot Surface  
Explosion  
Oil filter, if equipped  
Spark plug wire  
Rotating screen  
Fuel pump  
Moving Parts  
Kickback  
9
10  
11  
12  
Spark arrester, if equipped  
Exhaust manifold  
Wear Eye  
Protection  
Toxic Fumes  
Engine Model  
Type  
Code  
xxxxxx xxxx xx xxxxxxxx  
Frostbite  
13  
14  
15  
12V electric starter, if equipped  
Oil fill/Dipstick  
Oil drain plug  
On Off  
Stop  
Slow  
Record your engine Model, Type and Code numbers here for future use.  
Oil  
Record your date of purchase here for future use.  
Fuel  
Fast  
Open Choke  
GENERAL INFORMATION  
Fuel Shutoff  
In the state of California, OHV Model Series 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.  
Full / Closed  
Choke  
This manual contains safety information to make you aware  
of the hazards and risks associated with engines, and how  
to avoid them. Because Briggs & Stratton does not necessarily know what  
equipment this engine will power, it is important that you read and understand  
these instructions and the instructions for the equipment this engine powers.  
SAFETY SPECIFICATIONS  
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.  
WARNING  
The engine exhaust from this product contains chemicals known to the State  
of California to cause cancer, birth defects, or other reproductive harm.  
DANGER indicates a hazard which, if not avoided,  
will result in death or serious injury.  
WARNING indicates a hazard which, if not avoided,  
WARNING  
could result in death or serious injury.  
Briggs & Stratton does not approve or authorize the use of these engines on  
3-wheel All Terrain Vehicles (ATVs), motor bikes, fun/recreational go--karts,  
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.  
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.  
1
SAFETY  
WARNING  
WARNING  
Starting engine creates sparking. Sparking can ignite nearby  
flammable gases. Explosion and fire could result.  
Fuel and its vapors are extremely flammable and explosive.  
Fire or explosion can cause severe burns or death.  
If there is natural or LP gas leakage in area, do not start engine.  
Do not use pressurized starting fluids because vapors are flammable.  
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.  
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.  
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.  
WARNING  
Rotating parts can contact or entangle hands, feet, hair, clothing,  
or accessories. Traumatic amputation or severe laceration can  
result.  
WHEN OPERATING EQUIPMENT  
Do not tip engine or equipment at an angle which causes gasoline to spill.  
Do not choke carburetor to stop engine.  
Operate equipment with guards in place.  
Keep hands and feet away from rotating parts.  
Tie up long hair and remove jewelry.  
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.  
Do not wear loose-fitting clothing, dangling drawstrings or items that could become  
caught.  
WARNING  
WARNING  
Running engines produce heat. Engine parts, especially muffler,  
become extremely hot.  
Severe thermal burns can occur on contact.  
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.  
Combustible debris, such as leaves, grass, brush, etc. can catch fire.  
IF YOU SMELL GAS:  
Allow muffler, engine cylinder and fins to cool before touching.  
Remove accumulated combustibles from muffler area and cylinder area.  
DO NOT start the engine.  
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 actuate any electrical switches.  
DO NOT use the phone in the vicinity.  
Evacuate the area.  
Contact the gas supplier or fire department.  
REMEMBER:  
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.  
WARNING  
Wear eye protection when doing repair work.  
Frostbite can result from skin/eye contact with leaking LP liquid.  
Keep all flames, sparks, pilot lights and other ignition sources away from the  
area where the engine is operated or repaired.  
DO NOT smoke when operating or repairing the engine.  
DO NOT store gasoline or other flammable vapors or liquids in the vicinity of the  
engine.  
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.  
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.  
Keep the equipment and the area surrounding the engine free of debris.  
Install the fuel system according to applicable fuel/gas codes.  
WARNING  
Engines give off carbon monoxide, an odorless, colorless, poison  
gas. Breathing carbon monoxide can cause nausea, fainting or death.  
Start and run engine outdoors.  
Do not start or run engine in enclosed area, even if doors or windows are open.  
2
FUEL RECOMMENDATIONS  
WARNING  
GASOLINE POWERED ENGINES  
Unintentional sparking can result in fire or electric shock.  
Unintentional start-up can result in entanglement, traumatic  
amputation, or laceration.  
This engine is certified to operate on gasoline. The emission control system for  
this engine is EM (Engine Modifications).  
Always use gasoline that meets these requirements:  
Clean, fresh unleaded gasoline.  
BEFORE PERFORMING ADJUSTMENTS OR REPAIRS  
Disconnect spark plug wire and keep it away from spark plug.  
Disconnect battery at negative terminal (engines with electric start.)  
A minimum of 87 octane/87 AKI (91 RON). If operating at high altitude, see  
below.  
Gasoline with up to 10% ethanol (gasohol) or up to 15% MTBE (methyl tertiary  
WHEN TESTING FOR SPARK  
Use approved spark plug tester.  
butyl ether), is acceptable.  
Use of any gasoline other than those approved above will void the engine  
warranty. In some local areas fuel pumps may be marked if the gasoline  
contains alcohols or ethers. If you are unsure about the gasoline you purchase  
check with your fuel provider.  
Do not modify the engine fuel system or carburetor to run on alternative fuels.  
Never mix oil with gasoline.  
All gasoline is not the same. If you experience starting or performance problems  
after new gasoline has been used in your engine, switch to a different fuel  
provider or change fuel brands.  
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.  
Do not check for spark with spark plug removed.  
OIL RECOMMENDATIONS  
Use a high quality detergent oil classified “For Service SF, SG, SH, SJ” or higher.  
Do not use special additives.  
SAE 30 40°F and higher (5°C and higher)  
is good for all purpose use above 40°F, use below 40°F will cause hard starting.  
10W-30 0 to 100°F (-18 to 38°C)  
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 120°F (-30 to 40°C)  
provides thebestprotection atall temperatures as wellas improvedstarting withless  
oil consumption.  
5W-30 40°F and below (5°C and below)  
is recommended for winter use, and works best in cold conditions.  
FUEL STABILIZER  
To protect the fuel system from gum formation, mix in a fuel preservative when  
adding fuel. Briggs & Stratton recommends using FRESH STARTt fuel  
stabilizer, available as a liquid additive, concentrated liquid cartridge or granular  
additive.  
HIGH ALTITUDE USE  
At higher altitudes (over 5,000 feet), 85 octane/85 AKI (89 RON) gasoline can be  
used. Operation at high altitude may require a high-altitude carburetor jet kit to  
improve performance and decrease fuel consumption. See an Authorized Briggs  
& Stratton dealer for more information.  
ADDING GASOLINE  
Clean around fuel fill before removing cap. Remove cap. Fill tank to  
approximately 1-1/2 inches below top of neck to allow for fuel expansion. Be  
careful not to overfill.  
OIL CAPACITY  
LIQUID PROPANE GAS (LPG)  
Approximately 1-1/2 quarts (48 ounces or 1.6 liters) when changing oil and filter.  
(Oil capacity will be greater if engine is equipped with remote oil filter.)  
CAUTION: Engine is shipped from Briggs & Stratton without oil. Before starting  
engine, fill to FULL mark on dipstick with oil. Do not over fill.  
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%.  
ADDING OIL- SEE FIGURE  
2
1. For first use or when performing oil change, add 1 liter (32 ounces).  
2. Start and run engine at idle for 30 seconds. Shut engine off and wait 30  
seconds.  
LPG or NG engines are certified to operate on liquid propane gas or natural  
gas.  
ADDING FUEL  
3. Then add more oil slowly to bring level to FULL mark on dipstick. Check for  
oil leaks.  
4. Tighten dipstick firmly before starting engine.  
Read the operating instructions supplied by the equipment manufacturer for  
information on refueling natural or LP gas engine.  
CHECKING OIL  
1. Place engine on level surface and clean around oil fill  
2. Remove dipstick , wipe with clean cloth, insert and tighten down again.  
Remove dipstick and check oil level.  
3. Oil should be at FULL mark . If oil is required, add slowly.  
.  
WARNING  
š
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, explosion  
or fire could occur.  
4. Tighten dipstick firmly before starting engine.  
OIL PRESSURE  
If engine runs low on oil, an oil pressure switch (if engine is equipped) will either  
activate a warning device or stop the engine. (Read the operating instructions  
supplied by the equipment manufacturer to determine which way your engine is  
equipped.) See Maintenance for further information.  
3
STARTING  
MAINTENANCE  
CAUTION: This engine is shipped from Briggs & Stratton WITHOUT oil. Check oil  
level. If you start the engine without oil, the engine will be damaged beyond repair  
and will not be covered under warranty. See Oil section for recommendations,  
capacity and filling details.  
WARNING  
To prevent accidental starting, disconnect spark plug wire and keep it away  
from spark plug before servicing.  
Do not strike the flywheel with hammer or hard object. If done, the flywheel  
may shatter during operation.  
BEFORE STARTING LPG / NG ENGINES  
The LPG / NG mixer maybe equipped with solenoid, fuel inlet, 12 volt connector,  
and equipped for a fuel lock-off valve. (Read the operating instructions supplied  
by the equipment manufacturer to determine how your engine is equipped.)  
Do not tamper with links or other parts to increase engine speed.  
Regular maintenance improves performance and extends engine life.  
Follow the hourly or calendar intervals, whichever occur first. More frequent  
service is required when operating in adverse conditions noted below.  
First 8 Hours  
D Change oil  
Every 8 hours or daily  
D Check oil level  
D Clean around muffler, linkage and springs  
Every 25 hours or every season  
D Change oil if operating under heavy load or high ambient temperature  
D Service air cleaner pre-cleaner*  
Every 50 hours or every season  
D Clean and inspect spark arrester, if equipped  
Every 100 hours or every season  
D Service air cleaner cartridge*  
D Change oil  
BEFORE STARTING ALL ENGINES- SEE FIGURE  
Note: LPG / NG engines skip steps 1 and 2.  
Note: If equipment manufacturer has supplied battery, charge it as manufacturer  
recommends before trying to start engine,.  
3
1. Open fuel shut-off valve  
2. Move choke control š to CHOKE or START.  
(if equipped).  
3. Move throttle (if equipped) to FAST position. (Operate engine with throttle in  
FAST position and choke in RUN or OFF position.)  
4. Push rocker switch œ to I position, if equipped.  
REWIND STARTER - SEE FIGURE  
4
1. Grasp rope handle and pull slowly until resistance is felt.  
2. Then, pull cord rapidly to overcome compression, prevent kickback and start  
engine.  
3. Repeat if necessary with choke in RUN position throttle in FAST.  
4. When engine starts, operate in FAST.  
D Replace oil filter, if equipped  
D Clean oil cooler, if equipped*  
D Clean cooling system*  
D Check valve clearance -- LPG / NG engines  
Every season  
ELECTRIC STARTER - SEE FIGURE  
5
CAUTION: If equipment manufacturer has supplied battery, charge it before  
trying to start engine. DO NOT operate engine with battery disconnected. To  
prolong starter life, use short starting cycles (5 seconds maximum, then wait one  
minute). Extended cranking can damage starter motor.  
D Replace spark plugs**  
D Replace in-line fuel filter  
1. Turn key to START position  
or press button  
š.  
2. Repeat if necessary with choke off and throttle control in FAST position.  
3. Allow engine to warm up.  
D Check valve clearance  
*
Clean more often under dusty conditions, or when airborne debris is present or after  
prolonged operation cutting tall, dry grass.  
** In some areas, local law requires using a resistor spark plug to suppress ignition  
signals. If this engine was originally equipped with resistorspark plug, use same type  
of spark plug for replacement.  
4. If choke equipped: Slowly adjust toward RUN or OFF position. Wait until  
engine runs smoothly before each choke adjustment.  
5. Operate engine with choke off and throttle in FAST position.  
STOPPING - SEE FIGURE  
6
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. Turn key to  
OFF š. Remove key and store out of reach of children.  
3. Push rocker switch (if equipped) to O  
4. Close fuel shut--off valve (if equipped).  
.  
WARNING  
DO NOT stop the engine by moving choke control to CHOKE position.  
Backfire, fire or engine damage could occur.  
4
VALVE CLEARANCE  
CHANGING ENGINE OIL -SEE FIGURE  
7
Gasoline Engines -  
Change oil after first 8 hours of operation.  
1. Change oil while engine is warm.  
Check valve clearance yearly (intake and exhaust .10-.15 mm).  
LPG / NG Engines -  
Valve clearance must be checked after every 100 hours of operation. Adjust if  
necessary.  
2. Remove oil drain plug to drain oil.  
3. Refill with new oil of recommended SAE viscosity grade.  
4. Fill to FULL mark on dipstick.  
MUFFLER - SEE FIGURE 10  
OIL FILTER  
š, IF EQUIPPED.  
Replace oil filter after every 100 hours of operation or every season, whichever  
occurs first.  
WARNING  
1. Before installing new filter, lightly oil filter gasket with fresh, clean engine oil.  
Accumulation of debris around exhaust manifold/muffler  
fire. Inspect and clean before every use.  
could cause a  
2. Screw filter on by hand until gasket contacts oil filter adapter. Tighten 1/2 to  
3/4 turn more.  
If muffler is equipped with spark arrester screen  
š, remove spark arrester screen for  
3. Refill engine with new oil of recommended SAE viscosity grade. See Adding  
Oil under OIL RECOMMENDATIONS for procedure.  
cleaning and inspection every 50 hours or every season. Replace if damaged.  
4. Start and run engine at IDLE to check for oil leaks.  
5. Stop engine. Recheck oil level and add oil if required.  
CLEANING DEBRIS - SEE FIGURE 10  
Periodically remove grass/chaff buildup from engine.  
OIL PRESSURE  
Remove oil cooler to clean debris.  
œ
2
If oil pressure drops below 1-4 psi (.1-.2 kg/cm ), an oil pressure switch (if engine  
Grass or chaff may clog engine’s air cooling system, especially after prolonged  
service cutting tall, dry grass. Every 100 hours or every season, clean internal  
cooling fins and surfaces to prevent overheating and engine damage. Remove  
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.  
blower housing to clean areas shown  
.  
Keep linkage, springs and controls free of debris.  
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.  
CAUTION:  
DO NOT use water to clean engine parts. Water could contaminate fuel system.  
Use a brush or dry cloth.  
Note:Oil pressure gauge, if engine is equipped, is supplied by  
manufacturer of equipment.  
AIR CLEANER, DUAL ELEMENT - SEE FIGURE  
8
1. Unhook clips on sides of cover and remove cover.  
2. Carefully slide pre-cleaner off cartridge  
3. Remove knob and plate . Carefully remove cartridge to prevent debris  
from entering carburetor  
š
.  

œ
.
To service cartridge, clean by tapping gently on a flat surface. Replace  
pre-cleaner, if equipped, or cartridge if very dirty or damaged.  
CAUTION: Do not use petroleum solvents, e.g., kerosene, which will cause  
cartridge to deteriorate. Do not use pressurized air, which can damage  
cartridge. Do not oil cartridge.  
4. Reinstall cartridge, plate and knob.  
5. Reassemble pre-cleaner on cartridge.  
6. Replace cover and fasten clips.  
SPARK PLUG - SEE FIGURE  
9
WARNING  
DO NOT check for spark with spark plug removed.  
Use only Briggs & Stratton Spark Tester, to check for spark.  
If engine is flooded, place throttle in FAST and crank until engine starts.  
The electrodes on the spark plug must be clean and sharp to produce the  
powerful spark required for ignition. If the spark plug is worn or dirty the  
engine will be hard to start.  
Ensure spark plug gap  
is 0.76 mm or 0.030 in.  
Note: In some areas, local law requires using a resistor spark plug to suppress  
ignition signals. If this engine was originally equipped with resistor spark plug,  
use same type of spark plug for replacement.  
FUEL FILTER - SEE FIGURE 10  
Replace in-line fuel filter  
every season.  
WARNING  
Drain fuel tank or close fuel shut-off valve before replacing filter.  
5
STORAGE  
ENGINE SPECIFICATIONS  
Fuel can become stale when stored over 30 days. Stale fuel causes acid and  
gum deposits to form in fuel system or on essential carburetor parts. Mix fuel  
stabilizer with fuel in tank or storage container. Run engine for a short time to  
circulate stabilizer through carburetor and engine. Engine and fuel can be stored  
up to 24 months.  
Armature air gap . . . . . . . . . . . . . . . . . . . . . 0.20-0.30 mm (0.008-0.012 in.)  
Spark plug gap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.76 mm (0.30 in.)  
Valve clearance with valve springs installed and piston 6 mm past top dead center  
(check when engine is cold). See Repair Manual.  
Intake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.10-0.15 mm (0.004-0.006 in.)  
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.10-0.15 mm (0.004-0.006 in.)  
If fuel stabilizer is not used, you need to drain gasoline from equipment prior to  
storage. Run engine until it stops from lack of fuel.  
If FRESH START fuel cap with concentrated slow drip liquid cartridge is used,  
there is no need to drain fuel, as long as cartridge contains stabilizer for seasonal  
storage.  
Note: 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_. Refer to the equipment  
operator manual for safe allowable operating limits on slopes.  
1. Change oil.  
MODEL SERIES 290000 & 300000  
2. Remove spark plugs and pour about 30 ml (1 oz) of engine oil into  
Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 mm (2.68 in.)  
Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66 mm (2.60 in.)  
Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480 cc (29.3 cu. in.)  
cylinders. Replace spark plugs and crank slowly to distribute oil.  
3. Clean grass/chaff from cylinders and cylinder head fins and behind muffler.  
4. When engine is cooled from operating, Store in a clean dry area.  
MODEL SERIES 350000  
WARNING  
Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 mm (2.83 in.)  
Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 mm (2.76 in.)  
Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 570 cc (34.7 cu. in.)  
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.  
Engine fumes could ignite.  
MODEL SERIES 380000  
Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 mm (2.97 in.)  
Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 mm (2.76 in.)  
Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 627 cc (38.2 cu. in.)  
SERVICE  
Partial List of Genuine Briggs & Stratton Parts  
Oil (48 oz.) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100028  
Oil filter (6 cm long) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 492932  
Oil pump kit (uses electric drill to remove oil from engine quickly) . . . . . . 5056  
Fuel stabilizer (4.2 oz., 125 ml bottle) . . . . . . . . . . . . . . . . . . . . . . . . . . 5041  
Fuel filter (without fuel pump) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5018  
Fuel filter (with fuel pump) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 493629  
Air cleaner cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394018  
(all models except model 380000)  
TECHNICAL INFORMATION  
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 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 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.  
Air cleaner pre-cleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272490  
(all models except model 380000)  
Air cleaner (cartridge and pre-cleaner kit) . . . . . . . . . . . . . . . . . . . . . . . 5050  
(all models except model 380000)  
Air cleaner cartridge (model 380000) . . . . . . . . . . . . . . . . . . . . . . . . . 692519  
Air cleaner pre-cleaner (model 380000) . . . . . . . . . . . . . . . . . . . . . . . . 692520  
Resistor spark plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 496018  
Long life platinum spark plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5066  
(used on most OHV engines)  
Repair Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272144  
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.  
You may find the nearest Authorized Service Dealer in our  
dealer locator map at ww.briggsandstratton.com or by calling  
1-800-233-3723.  
6
Briggs & Stratton Emissions Control  
Defects Warranty Provisions  
Briggs & Stratton Corporation (B&S),  
the California Air Resources Board (CARB)  
and the United States  
Look For Relevant Emission  
Durability Period and  
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.  
Air Index Information On  
Your Engine Emission Label  
Environmental Protection Agency (U.S. EPA)  
Emissions Control System Warranty Statement  
(Owner’s Defect Warranty Rights and Obligations)  
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.  
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:  
1. Warranted Parts  
California, United States and Canada Emissions  
Control Defects Warranty Statement  
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.  
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.  
a. Fuel Metering System  
Cold start enrichment system (soft choke)  
Carburetor and internal parts  
Fuel Pump  
Fuel line, fuel line fittings, clamps  
b. Air Induction System  
Air cleaner  
Intake manifold  
c. Ignition System  
Spark plug(s)  
Magneto ignition system  
d. Catalyst System  
Moderate:  
Engine is certified to be emission compliant for 125 hours  
of actual engine running time.  
Intermediate:  
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.  
Engine is certified to be emission compliant for 250 hours  
of actual engine running time.  
Catalytic converter  
Exhaust manifold  
Air injection system or pulse valve  
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.  
e. Miscellaneous Items Used in Above Systems  
Vacuum, temperature, position, time sensitive valves  
and switches  
Connectors and assemblies  
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  
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.  
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.  
3. No Charge  
Repair or replacement of any Warranted Part will be performed  
at no charge to the owner, including diagnostic labor which  
leads to the determination that a Warranted Part is defective, if  
the diagnostic work is performed at an Authorized B&S Service  
Dealer. For emissions warranty service contact your nearest  
Authorized B&S Service Dealer as listed in the “Yellow Pages”  
under “Engines, Gasoline,” “Gasoline Engines,” “Lawn  
Mowers,” or similar category.  
As the small off-road engine owner, you should however  
be aware that B&S may deny you warranty coverage if  
your small off-road engine or a part has failed due to  
abuse, neglect, improper maintenance or unapproved  
modifications.  
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 a B&S Service  
Representative at 1-414-259-5262.  
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.  
4. Claims and Coverage Exclusions  
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.  
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  
Coverage hereunder shall extend to the failure of any engine  
components caused by the failure of any Warranted Part still  
under warranty.  
Briggs & Stratton Engines Are Made Under One Or More Of The Following Patents: Design D-247,177 (Other Patents Pending)  
6,691,683  
6,647,942  
6,622,683  
6,615,787  
6,617,725  
6,603,227  
6,595,897  
6,595,176  
6,584,964  
6,557,833  
6,542,074  
6,520,141  
6,495,267  
6,494,175  
6,472,790  
6,460,502  
6,456,515  
6,382,166  
6,369,532  
6,356,003  
6,349,688  
6,347,614  
6,325,036  
6,311,663  
6,284,123  
6,263,852  
6,260,529  
6,242,828  
6,239,709  
6,237,555  
6,230,678  
6,213,083  
6,202,616  
6,145,487  
6,142,257  
6,135,426  
6,116,212  
6,105,548  
6,347,614  
6,082,323  
6,077,063  
6,064,027  
6,040,767  
6,014,808  
6,012,420  
5,992,367  
5,904,124  
5,894,715  
5,887,678  
5,852,951  
5,843,345  
5,823,153  
5,819,513  
5,813,384  
5,809,958  
5,803,035  
5,765,713  
5,732,555  
5,645,025  
5,642,701  
5,628352  
5,619,845  
5,606,948  
5,606,851  
5,605,130  
5,497,679  
5,548,955  
5,546,901  
5,445,014  
5,503,125  
5,501,203  
5,497,679  
5,320,795  
5,301,643  
5,271,363  
5,269,713  
5,265,700  
5,243,878  
5,235,943  
5,234,038  
5,228,487  
5,197,426  
5,197,425  
5,197,422  
5,191,864  
5,188,069  
5,186,142  
5,150,674  
5,138,996  
5,086,890  
5,070,829  
5,058,544  
5,040,644  
5,009,208  
4,996,956  
4,977,879  
4,977,877  
4,971,219  
4,895,119  
4,875,448  
4,819,593  
4,720,638  
4,719,682  
4,633,556  
4,630,498  
4,522,080  
4,520,288  
4,512,499  
4,453,507  
4,430,984  
D 476,629  
D 457,891  
D 368,187  
D 375,963  
D 309,457  
D 372,871  
D 361,771  
D 356,951  
D 309,457  
D 308,872  
D 308,871  
7
BRIGGS & STRATTON ENGINE OWNER WARRANTY POLICY  
Effective January 1, 2006 replaces all undated Warranties and all Warranties dated before January 1, 2006.  
LIMITED WARRANTY  
Briggs&StrattonCorporationwillrepairorreplace,freeofcharge,anypart(s)oftheenginethatisdefectiveinmaterialorworkmanshiporboth.Transportationchargesonproduct  
submitted for repair or replacement under this warranty must be borne by purchaser. This warranty is effective forthe timeperiods andsubject tothe conditionsstated below. For  
Yellow Pagest’.  
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 Condition of  
Brand / Product Type  
Use  
Warranty Term  
Classict  
1 year  
1 year  
90 days  
1 year  
2 years Consumer Use in European Union  
Etekt  
Etended Life Seriest  
Fourcet  
I/Ct  
2 years  
2 years  
2 years  
2 years  
2 years  
2 years  
. 1 year  
2 years  
2 years  
2 years  
2 years  
2 years  
2 years  
2 years  
. 5 years  
1 year  
90 days  
1 year  
Industrial Plust  
Intekt (Kool Bore)  
Intekt (Sleeve Bore)  
Kerosene fuel operated engines  
Powerbuiltt 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  
Quantum®  
Quattrot  
Sprintt  
Vanguardt  
2-Cycle Snow engine  
Touch-N-Mowt 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 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.  
ABOUT YOUR ENGINE WARRANTY  
Briggs  
&
Stratton welcomes warranty repair and  
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.  
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. Partswhicharescoredorbrokenbecauseanengine  
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.  
5. Repair or adjustment of associated parts or  
assembliessuchasclutches,transmissions,remote  
controls, etc., which are not manufactured by Briggs  
& Stratton.  
air cleaner element or cartridge. At recommended  
intervals, clean and/or replace the filter as stated in  
the Operator’s Manual.  
apologizes to you for being inconvenienced. Any  
Authorized Service Dealer may performwarranty 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.  
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.  
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  
thoseitemsthataredefective.Toavoidmisunderstanding  
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.  
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.  
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  
by calling 1--800--2333723, or as listed in the ’Yellow  
Pagest’.  
Normal wear:  
Engines, like all mechanical devices, need periodic parts  
serviceandreplacementtoperformwell.Warrantywillnot  
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  
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,  
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  
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