
Operator’s ManualVanguardModel 540000 Model 610000BRIGGSandSTRATTON.comECopyright Briggs & Stratton CorporationMilwaukee, Wisconsin 53201 U.S.A.Fo
10Changing Oil and Oil FilterChange oil after first 5 to 8 hours of use, then every100 hours. Change oil every 50 hours when operatingthe engine under
11Air CleanerClean cartridge every 100 hours. To clean cartridge,gently tap on end with handle of screwdriver. Replacecartridge every 400 hours. Clean
12Spark PlugCheck the spark plug every 100 hours. Replace thespark plug if upon inspection the electrode is burnedor worn. Ensure the spark plug is
13Cleaning DebrisDaily or before every use, clean accumulated debrisfrom engine. Remove front panel to reveal carburetor.Clean around intake manifold,
14StorageIf engine is stored over 30 days, prepare as follows:1. To prevent gum from forming in fuel system or onessential carburetor parts:If fuel ta
15ServiceSee an Authorized Briggs & Stratton Service Dealer.Each one carries a stock of Genuine Briggs & StrattonParts and is equipped with sp
16SpecificationsWe recommend that you use an authorized Briggs &Stratton Service Dealer for all maintenance and serviceof the engine and engine pa
17Warranty InformationBriggs & Stratton Corporation (B&S), the California Air Resources Board (CARB)and the United States Environmental Protec
18Briggs & Stratton welcomes warranty repair andapologizes to you for being inconvenienced. AnyAuthorized Service Dealer may perform warrantyrepai
19LIMITED WARRANTYBriggs & Stratton Corporation will repair or replace, free of charge, any part(s) of the engine that is defectivein material or
2Safety ReferencesThe safety alert symbol is used to identify safetyinformation about hazards that can result in personalinjury. A signal word (DANG
3Features1. Air cleaner (standard)2. Air cleaner (optional)3. Front panel (standard)4. Front panel with controls (optional)5. Throttle control (option
4Safety InformationGasoline and its vapors are extremelyflammable and explosive.Fire or explosion can cause severeburns or death.WHEN ADDING FUEL• Tur
5Rapid retraction of starter cord(kickback) will pull hand and armtoward engine faster than you canlet go.Broken bones, fractures, bruisesor sprains c
6Before StartingOilCapacityThe engine holds approximately 80 oz (2.3 liters).Oil Recommendation• Use a high quality detergent oil classified “ForServi
7Before StartingFuelGasoline Powered Engines• Use clean, fresh, regular unleaded gasoline with aminimum of 85 octane. Fresh fuel prevents gumfrom form
8Cold Weather Starting• Use correct type of oil for expected startingtemperature. See Oil.• Use fresh gasoline, which has higher volatility toimprove
9MaintenanceRegular maintenance will improve the performance andextend the life of the engine. See any Authorized Briggs& Stratton Dealer for serv
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