Briggs & Stratton Sprint 90000 Operator's Manual

Operator’s ManualSprint 500 SeriesQuattro 500 SeriesLX 500 SeriesSQ 500 SeriesQ 500/550 SeriesClassic 450 SeriesSprint 475 SeriesQuattro 475 SeriesMod

10Changing OilChange oil after first 5 to 8 hours of use, then every 50hours or every season. Change oil every 25 hours whenoperating the engine under

11FuelType of Fuel to Use• Use clean, fresh, regular unleaded gasoline with aminimum of 85 octane. Fresh fuel prevents gum fromforming in the fuel sys

12SpecificationsWe recommend that you see an authorized Briggs &Stratton Service Dealer for all maintenance and serviceof the engine and engine pa

13MaintenanceRegular maintenance will improve the performance andextend the life of the engine. See any Authorized Briggs& Stratton Dealer for ser

14Air CleanerAll engines have a foam air cleaner element.Replace element if very dirty or damaged.CAUTIONAir cleaner filter element must be oiled or e

15Spark PlugUse only Briggs & Stratton Spark Tester (part number19368) to check for spark..030” (0.76 mm) WIRE GAUGENote: In some areas, local law

16StorageEngines stored over 30 days need special attention.[1] To prevent gum from forming in fuel system or onessential carburetor parts:a) if fuel

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

Safety ReferencesThe safety alert symbol ( ) is used to identifysafety information about hazards that can result inpersonal injury. A signal word (DAN

3StarterHandleFuel FillCarburetorPrimerBulbSparkPlug WireAir CleanerGovernorControl Lever(if equipped)Know Your EngineOil Fill/-DipstickOil DrainPlugE

4 See page 9 for details.HOW ?Unscrew and remove oil cap.Pour in oil. Replace cap.WHAT KIND ?High quality SAE 30 detergent oil rated SF, SG,SH or high

5For complete starting instructions see page 7.HOW ?Locate primer bulb. Press with finger. Wait twoseconds between each press.HOW MANY TIMES ?Press 5

6Starter handle will not pull.• Ensure all external equipment/engine loads are removedbefore starting engine. Direct coupled equipmentcomponents must

7Starting[1] Check oil level. Ensure level is at FULL mark ondipstick. Use the correct oil type for expectedstarting temperature.[2] Fill with fresh g

8OperatingEngines give off carbonmonoxide, an odorless,colorless, poison gas.Breathing carbon mon-oxide can cause nausea,fainting or death.WARNINGAfte

9OilOil CapacityThe engine holds approximately 18 oz. or 0.5 liter.• Use a high quality detergent oil classified “ForService SF, SG, SH, SJ” or higher