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Before starting this engine , read and understand Operator / Owner Manual . Failure to follow instructions this in this manual could result in serious injury or death . ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ModeTlype Code For future reference , write yourengine Model / Type / Code here . For future reference , write yourengine Date of Purchase here . Table of Contents Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . 8 . . In the Interest of Safety . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . Service , Storage & Specifications . . . . . . . . . . . . . . . . . 9 . Oil & Fuel Recommendations . . . . . . . . . . . . . . . . . . . . . 3 . Emission System Warranty . . . . . . . . . . . . . . . . . . . . . . 1.0 Starting & Stopping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 . . About Engine Warranty . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 . Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 . . . Engine Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 . Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 . . . Briggs & Stratton Corporation Milwaukee , Wisconsin 53201 FORM NO . 273684 - 7 / 98 www.briggsandstratton.com PRINTED IN U.S.A . ï£© Copyright 1998 by Briggs & Stratton Corporation
Maintenance , replacement or repair of the emission control devices and systems may be performed by any nonroad en - gine 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 . In the Interest of Safety This safety alert symbol indicates that this message You are not ready to operate this engine if you involves personal safety . Words danger , warning have not read and understood the following and caution indicate degree of hazard . Death , safety items . Read this entire ownerâs manual and personal injury and / or property damage may occur the operating instructions of the equipment this engine powers . unless instructions are followed carefully . The Briggs & Stratton engine you bought with your equipment is made of the finest material in a state - of - the - art manufacturing facility . Please understand that Briggs & Stratton sells engines to original equipment manufacturers . It also sells to otherns tihe distribution chain who may sell to the ultimate consumer , an equipment manufacturer , another distributor or a dealer . As a rlet , su Briggs & Stratton does not necessarily know the application on which the engine will be placed . For that reason , you should carefully read and understand the operating instructions of the equipment on which your engine is placed before you operate it . You should also understand that there are equipment applications for which Briggs & Stratton does not approve the use of its engines . Briggs & Stratton engines are not to be used on vehicles with less than 4 wheels . They include motor bikes , aircraft products and All Terrain Vehicles . Moreover , Briggs & Stratton does not approve of its engines being used in competitive eve.nts F0R THAT REASON , BRIGGS & STRATTON ENGINES ARE NOT AUTHORIZED FOR ANY OF THESE APPLICATIONS . Fail - ure to follow this warning could result in death , serious injury ( including paralysis ) or property damage . DO NOT check for spark with spark plug removed . ( Use an DO NOT run engine in an enclosed area . ( Exhaust gases contain carbon monoxide , an approved tester . ) odorless and deadly poison . ) DO NOT crank engine with spark plug removed . ( If engine is flooded , place throttle in FAST and crank until engine starts . ) DO NOT remove fuel tank cap nor fill fuel tank while DO NOT strike flywheel with a hammer or hard object as this engine is hot or running . DONOT refuel indoors or in may cause flywheel to shatter in operation . ( To remove flywheel , an unventilated area . ( Allow engine to cool 2 min - use Briggs & Stratton approved tools only . ) utes before refueling . ) DO NOT operate engine without a muffler . ( Inspect periodically DO NOT place hands or feet near moving or rotating parts . and replace if worn or leaking . If engine is equipped with muf - DO NOT store , spill , or use gasoline near an open flame , nor fler deflector , inspect periodically and replace if necessary . Re - near an appliance like a stove , furnace , or water heater that placement parts must be same as on original equipment . ) uses a pilot light or can create a spark . DO NOT operate engine with an accumulation of grass , DO NOT refuel indoors or in an unventilated area . leaves or other combustible material in muffler area . DO NOT operate or tip engine / equipment at such a severe DO NOT use this engine on any forest covered , brush cov - angle that causes gasoline spillage . ered , or grass covered unimproved land unless a spark ar - DO NOT operate engine if gasoline is spilled or when smell of rester is installed on muffler . The spark arrester must be main - gasoline is present or other explosive conditions exist . ( Move tained in working order by the owner and / or operator . In the equipment away from spill and avoid any ignition until gasoline State of California the above is required by law ( Section 4442 has evaporated . ) of the California Public Resources Code ) . Other states may DO NOT transport engine with fuel in tank or fuel shut - off have similar laws . Federal laws apply on federal lands . valve open . DO NOT touch hot muffler , cylinder , or fins which can cause DO NOT choke carburetor to stop engine , especially in an en - burns . closed vehicle . ( Whenever possible , gradually reduce engine DO NOT start engine with air cleaner or air cleaner cover re - speed before stopping . ) moved ( or cover over carburetor air intake , if Sno / Gard engine ) . DO NOT tamper with governor springs , links or other parts to DO NOT attempt to start engine with cutting blade loose or re - increase engine speed . ( Run engine at speed set for equipment moved . ( Blade must be tight , otherwise a kickback may occur . ) manufacturer . ) leaks . Replace if necessary . â PULL starter cord slowly until resistance is felt . Then pull cord rapidly to avoid kickback and prevent hand or arm injury . â Use only Genuine Briggs & Stratton Parts or their equivalent . The use of replacement parts which are â PREVENT ACCIDENTAL STARTING by removing spark not of equivalent quality may damage the engine . plug wire from spark plug when servicing engine or equip - ment . Disconnect negative wire from battery terminal if equipped with electric starting system . ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ â REMOVE blower housing periodically and clean engine . The engine exhaust from this product Keep cylinder fins and governor parts free of dirt , grass contains chemicals known to the State and other debris which can affect engine speed . of California to cause cancer , birth â USE fresh gasoline . Stale fuel can gum carburetor and defects , or other reproductive harm . cause leakage . â CHECK fuel lines and fittings frequently for cracks or International Safety Alert - Read Fuel On Off Stop Fuel Choke Ownerâs Manual Shutoff Symbols In the USA and Canada , a 24 hour hot line , 1 - 800 - 233 - 3723 , has a menu of pre - recorded messages offering you engine maintenance information . 2
Oil & Fuel Recommendations Oil Fuel Use clean , fresh , regular unleaded gasoline with a minimum This engine is shipped from Briggs & Stratton withoutoil . of 85 octane . Do not mix oil with gasoline . Fresh fuel prevents Before starting engine , check oil level as shown below . gum from forming in fuel system or on essential carburetor Change and add oil according to chart below . Do not over - fill . parts . Purchase fuel in quantity that can be used within 30 Use a high quality detergent oil classified â For Service days . In countries other than the U.S.A . , leaded gasoline may SF , SG , SH , â such as Briggs & Stratton â warranty certified â be used if commercially available and unleaded is unavailable . SAE 30 oil , Part No . 100005 . Use no special additives with We recommend the use of Briggs & Stratton Gasoline Additive . recommended oils . Do not mix oil with gasoline . ( See your Authorized Briggs & Stratton Service Dealer for SAE Viscosity Grades Part No . 5041 or the single - use pouch . ) See storage instruc - tions , on page 9 . * * Note : Some fuels , called oxygenated or reformulated * gasolines , are gasolines blended with alcohols or ethers . Excessive amounts of these blends can damage the fuel system or cause performance problems . Do not use gasoline which contains Methanol . If any undesirable operating 32 20 40 60 80 100 - 20 0 Â° F symptoms occur , use gasoline with a lower percentage of Â° C - 30 - 20 - 10 0 10 20 30 40 alcohol or ether . STARTING TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE Do not over - fill fuel tank . Allow space for fuel expansion . * Air cooled engines run hotter than automotive engines . The use of multi - viscosity oil such as ( 10W - 30 , etc . ) in ambient temperatures above 40 Â° F ( 4 Â° C ) will result in higher than normal oil consumption . If multi - viscosity oil is used , check the oil level more frequently to prevent any possible engine damage due to lack of lubrication . * * Use of SAE 30 oil below 40 Â° F ( 4 Â° C ) will result in hard starting and possible engine damage due to inadequate lubrication . Oil capacity : approximately 1 - 1 / 2 quarts ( 48 ounces or 1.6 1 2 r . liters ) when changing oil and filte ÃÃ Oil checking procedure : before starting engine , check oil 8 level . 3 1 . Rewind starter ÃÃ ÃÃÃ ÃÃ 2 . Carburetor cover 3 . Air cleaner ÃÃ 4 . Valve cover 7 Ã 4 5 . Spark plug wire 5 6 . Crank shaft 6 Ã 7 . Oil filter Place engine level . Remove dipstick . Tighten dipstick . 8 . Blower housing Clean around oil fill . Wipe with clean cloth . Remove & check . 16 Oil filling procedure:first add 1 quart ( 32 ounces or 1 liter ) . 15 Start and run engine at idle for 30 seconds . Shut engine off 9 and wait 30 seconds . Then add more oil slowly to bring level to Full mark on dipstick . 10 ÃÃ Ã ÃÃ 11 ÃÃ ÃÃÃ 9 . Rotating screen 10 . Oil fill / Dipstick ÃÃ 14 11 . Oil drain plug 12 . 12V electric starter 12 13 13 . Exhaust manifold 14 . Fuel pump Fill to FULL mark on dipstick . Pour oil Tighten dipstick be - 15 . Emission label slowly . Check oil level and add if required . fore starting engine . 16 . Engine Model Type Code xxxxxx xxxx xx xxxxxxxx In the USA and Canada , a 24 hour hot line , 1 - 800 - 233 - 3723 , has a menu of pre - recorded messages offering you engine maintenance information . 3
Starting & Stopping Choke operation / engine warm - up Start engine This is a low emissions engine which operates differently from Always keep hands and feet clear of mower blade or previously built engines . It is designed for maximum perfor - other rotating machinery . mance and life if operated with the choke fully open ( in RUN ) Rewind starter and throttle fully open ( in FAST ) . To open the choke fully requires an engine warm - up period of several seconds to Grasp rope handle as illustrated and pull slowly until several minutes , depending on the temperature . resistance is felt . Then pull cord rapidly to overcome compression , prevent kickback and start engine . After starting engine , first open the choke ( toward RUN ) until Repeat if necessary with choke off and throttle control in the engine just begins to run smoothly . Then open the choke in FAST position . Operate engine in FAST position . small steps , allowing the engine to accept small changes in speed and load , until the choke is fully open ( in RUN ) . During engine warm - up , the equipment can be operated . To obtain best starting results Store and fuel lawn mower in level position . Start lawn mower on hard surface or over previously cut grass . ÃÃ Do not use a pressurized starting fluid . Starting fluid is flammable . Severe engine damage or fire may occur . A warm engine requires less choking than a cold engine . Rewind starter Starting in cold weather : Electric starter , if equipped Use the correct oil for the starting temperature expected . Turn key to START or press starter button . Repeat if neces - De - clutch all possible external loads . sary with throttle control in FAST position . Operate engine in FAST position . Set speed control at part throttle position . Note : If equipment manufacturer has supplied battery , charge it A warm battery has more starting capacity than a cold battery . before trying to start engine , as equipment manufacturer recom - Do not use gasoline left over from summer . Use fresh winter mends . Use short starting cycles ( 15 secs . per min . ) to prolong grade gasoline which has higher volatility to improve starting . starter life . Extended cranking can damage starter motor . If engine runs low on oil , an oil pressure switch ( if engine is PRESS BUTTON equipped ) will either activate a warning device or stop the engine . ( Read the operating instructions supplied by the equip - ment manufacturer to determine which way your engine is equipped . ) See oil pressure on page 6 for oil filling instructions . Typical starter switches If engine is equipped with battery for electric starter , Before starting engine do not operate engine with battery disconnected . Open fuel shut - off valve , if engine is equipped . Stop engine Move choke control to CHOKE or START position . Do not move choke control to CHOKE position to stop engine . Note : Choke must fully close . If engine does not start , see Backfire or engine damage may occur . Move throttle control control adjustments on page 5 . to SLOW position , then push rocker switch to 0 ( STOP ) , or turn key to OFF , if equipped . Always remove key from switch Move throttle control to RUN or FAST position . when equipment is not in use or left unattended . If engine is equipped with rocker style stop switch , push I Close fuel shut - off valve , when transporting engine , to ( RUN ) before starting . prevent fuel leakage . PULL OUT TO CHOKE STOP RUN STOP RUN Typical throttle and choke controls Stop switch Typical stop switches In the USA and Canada , a 24 hour hot line , 1 - 800 - 233 - 3723 , has a menu of pre - recorded messages offering you engine maintenance information . 4
Adjustments Control adjustments Carburetor adjustments 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 . Differences in fuel , temperature , altitude or load may require minor carburetor adjustment . Air cleaner and air cleaner cov - To prevent accidental starting , WIRE er must be assembled to carburetor before starting engine . remove spark plug wires and discon - nect battery at negative terminal , The carburetor on this engine is low emission . It is equipped when adjusting controls . with an idle mixture valve with a limiter ( see inset ) , which allows some adjustment , and an idle speed adjustment screw . Adjustments Start engine and warm up approximately 5 minutes before ad - To adjust choke control : justing . With engine running , place throttle control in SLOW Remove air cleaner . Move choke controlto CHOKE or START position . Rotate carburetor throttle lever against the idle position . Carburetor choke should be completely closed . If not , speed screw and hold it . Turn idle speed screw to obtain 1300 loosen casing clamp screw . Then move casing , wire and While still holding carburetor throttle lever to 1500 rpm . engine choke lever in direction shown until choke is completely against idle speed screw , turn idle mixture valve with limiter closed . Tighten casing clamp screw . Replace air cleaner . cap screw midway between limits . CARBURETOR IDLE THROTTLE SPEED PULL LEVER SCREW TO CHOKE CHOKE CLOSED LIMITER CAP WIRE AND CASING IDLE MIXTURE VALVE SCREW Carburetor adjustments Choke control adjustment Readjust the idle speed to 1200 rpm , if governed idle spring is red , or 900 rpm , if governed idle spring is white . Release car - buretor throttle lever . Move throttle control to FAST position . To adjust throttle control : Engine should accelerate smoothly . If it does not , readjust idle Remove air cleaner . Move throttle control to FAST position . mixture valves slightly counterclockwise . Swivel should be against throttle stop . If not , loosen casing DO NOT remove limiter caps . DO NOT force beyond limits . clamp screw . Move casing and wire in direction shown by arrow until swivel is against throttle stop . Tighten casing clamp screw . SWIVEL EXHAUST MANIFOLD GOVERNED IDLE SPRING ( RED OR WHITE ) Governed idle spring CASING Note : Engines operated at approximately 3000 to 5000 feet EXHAUST MANIFOLD THROTTLE CLAMP STOP SCREW ( 900 to 1500 meters ) or above sea level may require a high alti - tude carburetor main jet . If erratic performance is observed , Throttle control adjustment contact a Briggs & Stratton Authorized Service Dealer for a high altitude carburetor main jet . In the USA and Canada , a 24 hour hot line , 1 - 800 - 233 - 3723 , has a menu of pre - recorded messages offering you engine maintenance information . 5
See Maintenance Schedule , page 8 . Follow the hourly or calendar intervals , whichever occur first . Note that more frequent service is required when operating in adverse conditions . Maintenance Air cleaner To prevent accidental starting , re - WIRE FOAM PRE â CLEANER PART NO . 272490 move spark plug wires and discon - ÃÃ nect battery at negative terminal , when servicing engine or equipment . Ã Ã PRE â CLEANER AND CARTRIDGE PART NO . 5050 Oil Check oil level regularly . CARTRIDGE BODY PART NO . 394018 Be sure correct oil level is maintained . Check every 8 hours or daily , before starting engine . See check oil level on page 3 . Change oil ( Follow Maintenance Schedule . ) PLATE Change oil after first 8 hours of operation . Remove drain plug KNOB and drain oil while engine is warm . Replace drain plug . Remove dipstick or oil cap andrefill with new oil of recommended grade ( see chart , page 3 ) . Start and run engine at idle for COVER CLIPS 30seconds . Stop engine . Wait 30 seconds and re - check oil level . Add oil to bring level toFULL mark on dipstick , if required . Dual element air cleaner Note : Change oil after every 50 hours of operation . Change oil 1 . Unhook clips on both sides of cover and remove cover . every 25 hours if engine is operated under heavy load or in high ambient temperatures . 2 . Carefully slide pre - cleaner off cartridge . To service pre - cleaner , wash in liquid detergent and water . Maintenance Schedule . ) Change oil filter ( Follow Squeeze dry in a clean cloth . Saturate in engine oil . Squeeze Replace oil filter after every 100 hours of operation . Drain in clean , absorbent cloth to remove all EXCESS oil . Replace if engine oil and replace with fresh oil . Before installing new very dirty or damaged . filter , lightly oil filter gasket with fresh , clean oil . Screw filter on 3 . Remove knob and plate . Carefully remove cartridge to by hand until gasket contacts oil filter adapter . Tighten 1 / 2 to prevent debris from entering carburetor . 3 / 4 turn more . Start and run engine at idle to check for leaks . To service cartridge , clean by tapping gently on a flat surface . Stop engine . Re - check oil level . Add oil if required . Do not oil cartridge . Replace if very dirty or damaged . Note : Do not use petroleum solvents , e.g . , kerosene , which will rto cause the cartridge to deteriorate . Do not use pressurized ai clean cartridge . Pressurized air can damage the cartridge . 4 . Reinstall cartridge , plate and knob . 5 . Reassemble pre - cleaner on cartridge . 6 . Replace cover and reattach clips to body . OIL FILTER OIL DRAIN Keep muffler area clean and muffler in working order . P / N SEE PAGE 8 PLUG Oil drain Oil filter Daily or more often , before running engine , clean muffler area to remove all grass and combustible debris . Oil Pressure If engine muffler is equipped with spark arrester screen , remove 2 If oil pressure drops below 1 - 4 psi ( . 1 - . 2 kg / cm ) , anoil pressure for cleaning and inspection . Replace if damaged or plugged . switch ( if engine is equipped ) will either activate a warning device or stop the engine . Check oil level with dipstick . If oil level ARRESTER is betweenADD andFULL 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 belowADD mark on dipstick , add oil to bring level CLEAN 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 Muffler area / Spark arrester screens by manufacturer of equipment . In the USA and Canada , a 24 hour hot line , 1 - 800 - 233 - 3723 , has a menu of pre - recorded messages offering you engine maintenance information . 6
See Maintenance Schedule , page 8 . Follow the hourly or calendar intervals , whichever occur first . Note that more frequent service is required when operating in adverse conditions . Maintenance Grass or chaff may clog the air cooling system , especially Keep engine and parts clean . after prolonged operation cutting tall , dry grass . Clean area With a brush or cloth , remove grass , chaff or debris from shown to prevent overheating and engine damage . debris guard or rotating screen daily or more often if needed to prevent engine damage caused by overheating . Do not clean with a forceful spray of water because water could contaminate fuel system . ROTATING SCREEN ÃÃ Ã ÃÃ ÃÃ REWIND STARTER Rewind starter guard Rotating screen CLEAN AREAS OF ALL DIRT AND DEBRIS To assure smooth operation , keep governor linkage , springs and controls free of debris . Air cooling system CLEAN Linkage , springs & controls . 030 â ( 0.76 mm ) Replace or clean spark WIRE GAGE plugs . Do not blast clean . Replace in - line fuel filter . See an Authorized Briggs & Stratton Clean by scraping or wire Service Dealer for correct replacement . brushing and washing with a commercial solvent . FILTER FILTER Use only Briggs & Strat - ÃÃÃÃ RESISTOR ton Spark Tester , Part No . PART NO . 491055 PART NO . 496018 19368 , to check for spark . ÃÃÃÃ ÃÃÃÃ Drain fuel tank or Spark plug ÃÃÃ PART NO . 298090 close fuel shut - off valve PART NO . 493629 or 5018 ( WITH FUEL Note : In some areas , local law requires using resistor spark plugs before replacing fuel filter . ( WITHOUT FUEL PUMP ) PUMP ) to suppress ignition signals . If this engine was originally equipped Fuel filter with resistor spark plugs , use same type for replacement . See any Authorized Briggs & Stratton 273684 Fill in both sides , clip and return to : Service Dealer . Insist on Genuine Briggs & Stratton Corporation Briggs & Stratton parts ! Non - original P.O . Box 1144 parts may not perform as well and Milwaukee , WI 53201 - 1144 U.S.A . may void your warranty . ï¿½ ï¿½ ï¿½ ï¿½ To obtain a complete Parts List of Genuine Briggs & Stratton Parts for ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ your engine , fill in both sides of this order form carefully . We cannot fill ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ your order without the correct Engine Model / Type / Code . ( Please Your Engine allow 3 to 4 weeks for delivery . ) Model Type Code In the USA and Canada , a 24 hour hot line , 1 - 800 - 233 - 3723 , has a menu of pre - recorded messages offering you engine maintenance information . 7
273684 Maintenance Schedule Follow the hourly or calendar intervals , whichever occur first . More frequent service is required when operating in adverse conditions noted below . Every 8 Hours 25 Hours or 50 Hours or 100 Hours or Maintenance Operation Yearly or Daily Every Season Every Season Every Season Check oil level ï¿½ ï¿½ Change oil â¦ Note 1 Change oil filter â¦ ï¿½ ï¿½ Service air cleaner pre - cleaner Note 2 ï¿½ Service air cleaner cartridge Note 2 Inspect spark arrester , ï¿½ if equipped ï¿½ Clean cooling system Note 2 Replace spark plugs ï¿½ Replace in - line fuel filter ï¿½ Check valve clearance ï¿½ â¦ Change oil after first 8 hours , then after every 50 hours or every season . Note 1 : Change oil every 25 hours when operating under heavy load or in high temperatures . Clean more often under dusty conditions or when airborne debris is present . Note 2 : Replace air cleaner parts , if very dirty . Briggs & Stratton Part Numbers of some Briggs & Stratton Part Numbers of some Genuine Briggs & Stratton Parts : Genuine Briggs & Stratton Parts : Briggs & Stratton Part No . Part Briggs & Stratton Part No . Part Air cleaner cartridge . . . . . . . . . . . . . . . . . . . . . . . . . 3.94018 Oil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 . 0 . 0 . 005 or 100028 Air cleaner pre - cleaner . . . . . . . . . . . . . . . . . . . . . . . 2.72490 Oil filter ( 3 - 1 / 2 in . long ) . . . . . . . . . . . . . . . . . . . . . . . 4.91056 Air cleaner pre - cleaner and cartridge . . . . . . . . . . . . . 5 . 050 Oil filter ( 2 - 1 / 4 in . long ) . . . . . . . . . . . . . . . . 4 . 92932 or 5049 Resistor spark plug ( Champion RC12YC ) . . . . . . . 491055 Fuel filter with fuel pump ) . . . . . . . . . . . . . . . . . . . . . 4.93629 Resistor spark plug ( Champion RC14YC ) . . . . . . . 496018 Fuel filter ( without fuel pump ) . . . . . . . . . . . 298090 or 5018 Spark plug wrench . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.9.374 Gas additive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22.214.171.124 Spark tester . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126.96.36.199 Genuine Briggs Only Fill in both sides of this order form carefully Payment Method : & Stratton Parts have the Briggs & ï¿½ Check or money order enclosed payable to Stratton logo ! Briggs & Stratton Corporation in the amount of $ ________ ( U.S . Dollars , please ) ï¿½ Please charge my ï¿½ MasterCard ï¿½ VISA __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ CREDIT CARD NUMBER SIGNATURE ( REQUIRED FOR CREDIT CARD ORDERS EXPIRATION DATE Parts List $ 2.00 Shipping & Handling $ 1.50 Add sales tax if you live in any of the following states : * * Add State Sales Tax Look for Briggs & Stratton logo ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ Total ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ stamped on part and / or package ! In the USA and Canada , a 24 hour hot line , 1 - 800 - 233 - 3723 , has a menu of pre - recorded messages offering you engine maintenance information . 8
Service , Storage & Specifications For service Storage instructions See an Authorized Briggs & Stratton Service Dealer . Each Engines stored over 30 days need to be protected or drained one carries a stock of Genuine Briggs & Stratton Parts and is of fuel to prevent gum from forming in fuel system or on equipped with special service tools . Trained mechanics essential carburetor parts . assure expert repair service on all Briggs & Stratton engines . Only dealers advertising as â Authorized Briggs & Stratton â 1 . For engine protection , we recommend use of are required to meet Briggs & Stratton standards . Briggs & Stratton Gasoline Additive , Part No . When you purchase equipment powered by a 5041 , available from an Authorized Briggs & Briggs & Stratton engine , you are assured of Stratton Service Dealer . Mix Additive with highly skilled , reliable service at more than fuel in fuel tank or storage container . Run 30,000 Authorized Service Dealers worldwide , engine for a short time to circulate Additive including more than 2,700 Master Service through carburetor . Engine and fuel can be Technicians . Look for these signs wherever P / N 5041 stored up to 24 months . Briggs & Stratton service is offered . Your Service Dealer has single - use You may locate your nearest Authorized Briggs & Stratton pouches of Gasoline Additive available . Service Dealer in our d ealer locator map on our web site ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ ï¿½ or in the â Yellow Pages ï£ª â Note : If engine is operating on oxygenated or reformulated directory under â Engines , Gasoline â or â Gasoline Engines , â or â Lawn Mowers â or similar category . gasoline ( gasoline blended with an alcohol or an ether ) , ï£ª remove all fuel from tank and run engine until it stops from Note : Walking fingers logo and â Yellow Pages â are registered lack of fuel . If engine is stored with gasoline in fuel tank , we trademarks in various jurisdictions . recommend the use of Gasoline additive , Part No . 5041 . The illustrated shop manual shown here 2 . While engine is still warm , drain oil from crankcase includes â Theories of Operation , â com - ( see page 6 ) . Refill with fresh oil of recommended grade mon specifications and detailed informa - ( see chart page 3 ) . tion covering adjustment , tune - up and repair of Briggs & Stratton V - Twin cylinder 3 . Remove spark plugs and pour about 1 oz ( 30 ml ) of OHV , 4 cycle engines . It is available from engine oil into cylinders . Replace spark plugs and crank an Authorized Briggs & Stratton Service slowly to distribute oil . Dealer or you can order it from the factory . 4 . Clean dirt and chaff from cylinders , cylinder head fins , blower Write : housing , rotating screen and muffler area ( see page 7 ) . Briggs & Stratton Corporation Part No . 272144 Attn : Service Division 5 . Store in a clean and dry area , but NOT near a stove , P . O . Box 1144 furnace or water heater which uses a pilot light or any Milwaukee , WI 53201 device that can create a spark . General information Note : For practical operation , the horsepower loading should not exceed 85 % of rated horsepower . Engine power will This is a twin cylinder , overhead valve , air cooled engine . All decrease 3 - 1 / 2 % for each 1,000 feet ( 300 meters ) above sea drilled / tapped holes and fasteners on this engine are ISO level and 1 % for each 10 Â° F ( 5.6 Â° C ) above 77 Â° F ( 25 Â° C ) . metric . However , where equipment attaches to engine SAE standards apply . Tune - up specifications On mobile equipment , this engine will operate satisfactorily at Armature air gap is . 008 - . 012 in . ( . 20 - . 30 mm ) any angle at which operator and equipment can function safely . Model Series 290700 , 294700 , 303700 Spark plug gap is . 030 in . ( . 76 mm ) Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . 6.8 in . ( 68 mm ) Valve clearance is : Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . 6.0 in . ( 66mm ) Intake * . . . . . . . . . . . . . . . . . . . . . . 0.04 - . 006 in . ( . 10 - . 15 mm ) Displacement . . . . . . . . . . . . . . . . . . . . 2 . 9 . . 3 cu . in . ( 480 cc ) Exhaust * . . . . . . . . . . . . . . . . . . . . 0 . 04 - . 006 in . ( . 10 - . 15 mm ) Torque ( Max . ) . . . . . . . . . . . . . . . . . 2.4.2 ft . lbs . @ 2400 rpm * Check when engine is cold . Model Series 350700 Bore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . . 8.3 in . ( 72 mm ) Stroke . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 . . 7.6 in . ( 70 mm ) Displacement . . . . . . . . . . . . . . . . . . . . 3 . 4 . . 7 cu . in . ( 570 cc ) Torque ( Max . ) . . . . . . . . . . . . . . . . . 2.9.0 ft . lbs . @ 2400 rpm and the United States Environmental Protection Agency ( U.S . EPA ) Emission Control System Warranty Statement ( Ownerâs Defect Warranty Rights and Obligations ) In the USA and Canada , a 24 hour hot line , 1 - 800 - 233 - 3723 , has a menu of pre - recorded messages offering you engine maintenance information . 9
273684 Briggs & Stratton Corporation ( B & S ) , the California Air Resources Board ( CARB ) TO CERTIFIED ENGINES PURCHASED IN CALIFORNIA IN 1995 In the interest of the environment , B & S engines that meet strict emis - AND THEREAFTER , WHICH ARE USED IN CALIFORNIA , AND sion requirements are labeled , â This engine conforms to 1995 - 1998 TO CERTIFIED MODEL YEAR 1997 AND LATER ENGINES California emission regulations for ULGE engines and U.S . EPA WHICH ARE PURCHASED AND USED ELSEWHERE IN THE Phase I regulations for small non - road engines . â UNITED STATES . EMISSION CONTROL WARRANTY COVERAGE IS APPLICABLE California and United States Emission Control Defects Warranty Statement CARB , U.S . EPA and B & S are pleased to explain the Emission Con - there has been no abuse , neglect or improper maintenance of your trol System Warranty on your 1996 and later utility or lawn and gar - ULGE engine . den equipment ( ULGE ) engine . In California , new ULGE engines Your emission control system includes parts such as the carburetor , produced on or after August 1 , 1995 must be designed , built and air cleaner , ignition system , muffler and catalytic converter . Also in - equipped to meet the Stateâs stringent anti - smog standards . Else - cluded may be connectors and other emission related assemblies . where in the United States , new non - road , spark - ignition engines Where a warrantable condition exists , B & S will repair your ULGE en - certified for model year 1997 and later , must meet similar standards gine at no cost to you including diagnosis , parts and labor . set forth by the U.S . EPA . B & S must warrant the emission control system on your engine for the periods of time listed below , provided Briggs & Stratton Emission Control Defects Warranty Coverage ULGE engines are warranted relative to emission control parts de - any covered part on your engine is defective , the part will be repaired fects for a period of two years , subject to provisions set forth below . If or replaced by B & S . Ownerâs Warranty Responsibilities As the ULGE engine owner , you are responsible for the performance You are responsible for presenting your ULGE engine to an Autho - rized B & S Service Dealer as soon as a problem exists . The undis - of the required maintenance listed in your Operator / Owner Manual . puted warranty repairs should be completed in a reasonable amount B & S recommends that you retain all your receipts covering mainte - of time , not to exceed 30 days . nance on your ULGE engine , but B & S cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of If you have any questions regarding your warranty rights and re - all scheduled maintenance . sponsibilities , you should contact a B & S Service Representative at 1 - 414 - 259 - 5262 . As the ULGE engine owner , you should however be aware that B & S may deny you warranty coverage if your ULGE engine or a part has The emission warranty is a defects warranty . Defects are judged on failed due to abuse , neglect , improper maintenance or unapproved normal engine performance . The warranty is not related to an in - use modifications . emission test . Briggs & Stratton Emission Control Defects Warranty Provisions The following are specific provisions relative to your Emission Control Defects Warranty Coverage . It is in addition to the B & eSngine warranty for non - regulated engines found in the Operator / Owner Manual . 3 . No Charge 1 . Warranted Parts Repair or replacement of any Warranted Part will be performed Coverage under this warranty extends only to the parts listed be - at no charge to the owner , including diagnostic labor which leads low ( the emission control systems parts ) to the extent these to the determination that a Warranted Part is defective , if the parts were present on the engine purchased . diagnostic work is performed at an Authorized B & S Service a . Fuel Metering System Dealer . For emissions warranty service contact your nearest Au - â¢ Cold start enrichment system ( soft choke ) thorized B & S Service Dealer as listed in the â Yellow Pages â un - der â Engines , Gasoline , â â Gasoline Engines , â â Lawn Mowers , â â¢ Carburetor and internal parts or similar category . â¢ Fuel Pump 4 . Claims and Coverage Exclusions b . Air Induction System Warranty claims shall be filed in accordance with the provisions â¢ Air cleaner of the B & S Engine Warranty Policy . Warranty coverage shall be â¢ Intake manifold excluded for failures of Warranted Parts which are not original B & S parts or because of abuse , neglect or improper mainte - c . Ignition System nance as set forth in the B & S Engine Warranty Policy . B & S is not â¢ Spark plug ( s ) liable to cover failures of Warranted Parts caused by the use of â¢ Magneto ignition system add - on , non - original , or modified parts . 5 . Maintenance d . Catalyst System Any Warranted Part which is not scheduled for replacement as â¢ Catalytic converter required maintenance or which is scheduled only for regular in - â¢ Exhaust manifold spection to the effect of â repair or replace as necessary â shall be â¢ Air injection system or pulse valve warranted as to defects for the warranty period . Any Warranted Part which is scheduled for replacement as required mainte - e . Miscellaneous Items Used in Above Systems nance shall be warranted as to defects only for the period of time â¢ Vacuum , temperature , position , time sensitive valves up to the first scheduled replacement for that part . Any replace - and switches ment part that is equivalent in performance and durability may â¢ Connectors and assemblies be used in the performance of any maintenance or repairs . The owner is responsible for the performance of all required mainte - 2 . Length of Coverage nance , as defined in the B & S Operator / Owner Manual . B & S warrants to the initial owner and each subsequent purchaser 6 . Consequential Coverage that the Warranted Parts shall be free from defects in materials and workmanship which caused the failure of the Warranted Coverage hereunder shall extend to the failure of any engine Parts for a period of two years from the date the engine is deliv - components caused by the failure of any Warranted Part still un - ered to a retail purchaser . der warranty . In the USA and Canada , a 24 hour hot line , 1 - 800 - 233 - 3723 , has a menu of pre - recorded messages offering you engine maintenance information . 10
About your engine warranty : ( see back cover for statement of LIMITED WARRANTY ) . 4 . Parts which are scored or broken because an engine was Briggs & Stratton welcomes warranty repair and apologizes operated with insufficient or contaminated lubricating oil , to you for being inconvenienced . Any Authorized Service or an incorrect grade of lubricating oil ( check oil level daily Dealer may perform warranty repairs . Most warranty repairs or after every 8 hours of operation . Refill when necessary are handled routinely , but sometimes requests for warranty and change at recommended intervals . ) Read â Ownerâs service may not be appropriate . For example , warranty would Manual . â not apply if engine damage occurred because of misuse , lack of routine maintenance , shipping , handling , warehousing or 5 . Repair or adjustment of associated parts or assemblies improper installation . Similarly , warranty is void if the serial such as clutches , transmissions , remote controls , etc . , number of the engine has been removed or the engine has which are not manufactured by Briggs & Stratton . been altered or modified . 6 . Damage or wear to parts caused by dirt , which entered the engine because of improper air cleaner maintenance , If a customer differs with the decision of the Service Dealer , an re - assembly , or use of a non - original air cleaner element investigation will be made to determine whether the warranty or cartridge . ( At recommended intervals , clean and re - oil applies . Ask the Service Dealer to submit all supporting facts to element or the foam pre - cleaner , and re - the Oil - Foam ï£¨ his Distributor or the Factory for review . If the Distributor or the place the cartridge . ) Read â Ownerâs Manual . â Factory decides that the claim is justified , the customer will be 7 . Parts damaged by overspeeding , or overheating caused fully reimbursed for those items that are defective . To avoid by grass , debris , or dirt , which plugs or clogs the cooling misunderstanding which might occur between the customer fins , or flywheel area , or damage caused by operating the and the Dealer , listed below are some of the causes of engine engine in a confined area without sufficient ventilation . failure that the warranty does not cover . ( Clean fins on the cylinder , cylinder head and flywheel at recommended intervals . ) Read â Ownerâs Manual . â Improper maintenance : 8 . Engine or equipment parts broken by excessive vibration caused by a loose engine mounting , loose cutter blades , The life of an engine depends upon the conditions under unbalanced blades or loose or unbalanced impellers , im - which it operates , and the care it receives . Some applications , proper attachment of equipment to engine crankshaft , such as tillers , pumps and rotary mowers , are very often used overspeeding or other abuse in operation . in dusty or dirty conditions , which can cause what appears to 9 . A bent or broken crankshaft , caused by striking a solid ob - be premature wear . Such wear , when caused by dirt , dust , ject with the cutter blade of a rotary lawn mower , or exces - spark plug cleaning grit , or other abrasive material that has sive v - belt tightness . entered the engine because of improper maintenance , is not 10 . Routine tune - up or adjustment of the engine . covered by warranty . 11 . Engine or engine component failure , i.e . , combustion chamber , valves , valve seats , valve guides , or burned This warranty covers engine related defective material starter motor windings , caused by the use of alternate and / or workmanship only , and not replacement or refund fuels such as , liquified petroleum , natural gas , altered of the equipment to which the engine may be mounted . gasolines , etc . Nor does the warranty extend to repairs required be - cause 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 en - Warranty is available only through service dealers which gine life . ( Contact equipment manufacturer . ) have been authorized by Briggs & Stratton Corporation . 3 . Leaking carburetors , clogged fuel pipes , sticking valves , Your nearest Authorized Service Dealer is listed in the or other damage , caused by using contaminated or stale â Yellow Pages ï£ª â of your telephone directory under â En - fuel . ( Use clean , fresh , lead - free gasoline and Briggs & gines , Gasoline â or â Gasoline Engines , â â Lawn Mow - Stratton gasoline stabilizer , Part No . 5041 . ) ers , â or similar category . Briggs & Stratton Engines Are Made Under One Or More Of The Following Patents : Design D - 247,177 ( Other Patents Pending ) 5,642,701 5,320,795 5,197,425 5,105,331 5,009,208 4,875,448 4,522,080 DES . 309,458 5,606,948 5,271,363 5,197,422 5,086,890 4,996,956 4,819,593 4,520,288 DES . 309,457 5,548,955 5,269,713 5,191,864 5,070,829 4,995,357 4,719,682 4,453,507 DES . 308,872 5,546,901 5,265,700 5,188,069 5,058,544 4,977,879 4,694,792 4,430,984 DES . 308,871 5,503,125 5,243,878 5,186,142 5,040,644 4,971,219 4,633,556 4,355,253 5,497,679 5,235,943 5,138,996 5,040,503 4,895,119 4,630,498 4,270,509 In the USA and Canada , a 24 hour hot line , 1 - 800 - 233 - 3723 , has a menu of pre - recorded messages offering you engine maintenance information . 11
BRIGGS & STRATTON ENGINE OWNER WARRANTY POLICY effective July 1 , 1998 Replaces all undated Warranties and all Warranties dated before July 1 , 1998 LIMITED WARRANTY â Briggs & Stratton Corporation will repair or replace , free of charge , any part , or parts of the engine that are defective in material or workmanship or both . Transportation charges on parts submitted for repair or replacement under this Warranty must be borne by purchaser . This warranty is effective for the time periods and subject to the conditions provided for in this policy . For warranty service contact your nearest Authorized Service Dealer as listed in the â Yellow Pa ï£ª ge â sunder â Engines , Gasoline , â â Gasoline Engines , â â Lawn Mowers â or similar category . THERE IS NO OTHER EXPRESS WARRANTY . IM - PLIED 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 CONSEQUENTIAL DAMAGES UNDER ANY AND ALL WARRANTIES ARE EXCLUDED TO THE EXTENT EXCLUSION IS PERMITTED BY LAW . Some states do not allow limitations on how long an implied warranty lasts , and some states do not allow the exclusion or limitation of incidental or consequential dam - ages , 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 . â Briggs & Stratton Corporation F . P . Stratton , Jr . Chairman and Chief Executive Officer WARRANTY PERIOD WITHIN U.S.A . AND CANADA OUTSIDE U.S.A . AND CANADA CONSUMER COMMERCIAL CONSUMER COMMERCIAL ENGINES USE * USE * USE * USE * All Vanguard ï£ª engines . 2 year â engine ï¿½ / Lifetime * * â Magnetron ï£¨ ignition All Diamond Plus ï£¨ , Industrial Plus ï£ª , I / C ï£¨ 2 year 1 year 1 year 2 year ï¿½ engines and sleeve bore Intek series . Quantum ï£¨ and Diamond Power ï£¨ . 2 year 90 days 90 days ï¿½ 2 year ï¿½ ï¿½ All standard engines and Kool Bore ï£ª Intek series installed on lawn mowers , riders , edgers , 2 year 90 days 1 year 90 days chippers , shredders , tillers , fun carts , and all Sno / Gard engines . All other standard engines and Classic ï£ª series . 1 year 90 days 1 year 90 days * For purposes of this warranty policy , â consumer use â means personal residential household use by the original retail consumer . â Commercial use â 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 . Engines used in competitive racing or on commercial or rental tracks are not warrantied . * * Lifetime limited warranty of the Magnetron ï£¨ ignition covers parts and labor for the first five ( 5 ) years from the date of purchase ; thereafter only parts . â Lifetime â means lifetime of the engine in the hands of the original purchaser . ï¿½ One ( 1 ) year in Australia , New Zealand , Middle East and Africa . ï¿½ One ( 1 ) year in India . NO WARRANTY REGISTRATION CARD IS NECESSARY TO OBTAIN WARRANTY ON BRIGGS & STRATTON ENGINES . YOU MUST SAVE THE PURCHASE RECEIPT . A PROOF OF PURCHASE DATE WILL BE REQUIRED TO OBTAIN WARRANTY . In the USA and Canada , a 24 hour hot line , 1 - 800 - 233 - 3723 , has a menu of pre - recorded messages offering you engine maintenance information . 12