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Engwnty1-03 - page 1 (Black)

Screen angle and frequency: 45.0000, 150.0000

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LIMITED WARRANTY

Briggs & Stratton Corporation will repair or replace, free of charge, any part(s) of the engine that is defective in material or workmanship or both.

Transportation charges on parts submitted for repair or replacement under this warranty must be borne by purchaser. This warranty is effective for the

time periods and subject to the conditions stated below. For warranty service, find the nearest Authorized Service Dealer in our dealer locator map

at www.briggsandstratton.com, or by calling 1-800-233-3723, or as listed in the ‘Yellow Pages

’. 

THERE IS NO OTHER EXPRESS WARRANTY. IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A

PARTICULAR PURPOSE, ARE LIMITED TO ONE YEAR FROM PURCHASE, OR TO THE EXTENT PERMITTED BY LAW ANY AND ALL IMPLIED

WARRANTIES ARE EXCLUDED. LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES ARE EXCLUDED TO THE EXTENT

EXCLUSION IS PERMITTED BY LAW. Some states or countries do not allow limitations on how long an implied warranty lasts, and some states or

countries do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation and exclusion may not apply to you.

This warranty gives you specific legal rights and you may also have other rights which vary from state to state and country to country.

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Commercial Use

2 years

90 days

1 year

Consumer Use

2 years

2 years

90 days

1 year

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1 year

*

Note the following special warranty periods: 2 years

 for Classic

 engines in the European Union and Eastern European countries, for all consumer products in

the European Union, and for emission control systems on engines certified by EPA and CARB. 

5 years

 for consumer use, 90 days for commercial use of Touch-N-

Mow

 starter on Quantum

 and Intek

 engines. 

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 pur-
poses of this warranty.

NO WARRANTY REGISTRATION IS NECESSARY TO OBTAIN WARRANTY ON BRIGGS & STRATTON PRODUCTS. SAVE YOUR PROOF OF PURCHASE
RECEIPT. IF YOU DO NOT PROVIDE PROOF OF THE INITIAL PURCHASE DATE AT THE TIME WARRANTY SERVICE IS REQUESTED, THE
MANUFACTURING DATE OF THE PRODUCT WILL BE USED TO DETERMINE THE WARRANTY PERIOD.

                      

               

                      

              

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Summary of Contents for 420000 Series

Page 1: ... 9 10 Maintenance 11 14 Adjustments 14 15 Parts and Service Storage 16 Warranty Information 17 WARNING Briggs Stratton does not approve or authorize the use of these engines on 3 wheel All Terrain Vehicles ATVs motor bikes 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...

Page 2: ... 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 The Air Index is a calculated number describing the relative level of emissions for a specific engine family The lower the Air Index the cleaner ...

Page 3: ...epresent the type of hazard DANGER indicates a hazard which if not avoided will result in death or serious injury WARNING indicates a hazard which if not avoided could result in death or serious injury 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 WA...

Page 4: ... 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 Starting engine creates sparking Sparking can ignite nearby flammable gases Explosion and fire could result WARNING If there is natural or L...

Page 5: ...lug Disconnect battery at negative terminal only engines with electric start WHEN TESTING FOR SPARK Use approved spark plug tester Do not check for spark with spark plug removed ENGINE INFORMATION TECHNICAL INFORMATION POWER RATINGS The power ratings for an individual engine model are initially developed by starting with SAE Society of Auto motive Engineers code J1940 Small Engine Power Torque Rat...

Page 6: ...spect to the performance or operational life of this engine This engine is warranted solely according to the product and emissions warranties stated elsewhere in this manual MODEL SERIES 420000 Bore 3 7 16 in 87 31 mm Stroke 2 9 32 in 57 94 mm Displacement 42 33 cu in 694 0 cc MODEL SERIES 460000 Bore 3 9 16 in 90 49 mm Stroke 2 9 32 in 57 94 mm Displacement 45 48 cu in 745 2 cc TUNE UP SPECIFICAT...

Page 7: ...ange intervals F 20 0 20 40 60 80 100 C 30 20 10 0 10 20 30 40 STARTING TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE 32 CAUTION Use 5W 30 oil or synthetic oil if anticipated temperatures are below 40 F 4 C to prevent internal engine damage at startup due to inadequate lubrication Air cooled engines run hotter than automotive engines The use of non synthetic multi viscosity oils e g 5W 30 i...

Page 8: ...ills and emissions 2 Replace cap before starting Turn engine OFF and let engine cool at least 2 minutes before removing gas cap Fill fuel tank outdoors or in well ventilated area Keep gasoline away from sparks open flames pilot lights heat and other ignition sources If fuel spills wait until it evaporates before starting engine STARTING WARNING Do not use pressurized starting fluids Vapors are fla...

Page 9: ...y until resistance is felt then pull rapidly to start engine and avoid kickback 6 Let engine warm up Choke Equipped Move choke control lever toward RUN a short dis tance at a time over sev eral seconds in warm weather or minutes in cold weather Let engine run smoothly before each change Operate with choke in RUN WARNING Rewind starter Rope starter TO STOP ENGINE 1 Move throttle if equipped to SLOW...

Page 10: ...START CAUTION To prolong starter life use short starting cycles 5 seconds maximum then wait one minute Follow equipment manufacturer s recom mendations for charging battery 6 Let engine warm up Choke Equipped Move choke control lever toward RUN a short distance at a time over several seconds in warm weather or minutes in cold weather Let engine run smoothly before each change Operate with choke in...

Page 11: ... cleaner 4 Service air cleaner car tridge if equipped with pre cleaner 4 Inspect spark arrester if equipped 4 Clean or replace spark plugs 4 Replace in line fuel filter if equipped 4 Clean cooling system 4 Clean combustion chamber 4 Change oil after first 5 to 8 hours of use then every 50 hours or every season Change oil every 25 hours when operating the engine under heavy load or in high temperat...

Page 12: ...pstick add oil to bring level to FULL mark Restart engine and check oil pressure If pressure is normal continue to operate engine Note Oil pressure gauge if engine is equipped is supplied by manufacturer of equipment AIR CLEANER All engines have an oval air cleaner cartridge In addition some engines have a pre cleaner Pre cleaner To clean pre cleaner if equipped separate it from cartridge and wash...

Page 13: ... in the same position as the original parts other wise fire can occur If muffler is equipped with spark arrestor screen remove screen for inspection Replace screen if damaged or plugged WARNING FUEL SYSTEM Replacement parts for fuel system cap hoses tanks filters etc must be the same as original parts otherwise fire can occur WARNING FUEL FILTER if equipped PART NO 394358 WITH FUEL PUMP PART NO 29...

Page 14: ...s WARNING Debris Guard or Rotating Screen DEBRIS GUARD ROTATING SCREEN Linkage Springs and Controls CLEAN Muffler and Spark Arrester CLEAN SPARK ARRESTER IF EQUIPPED ADJUSTMENTS CONTROL ADJUSTMENTS WARNING Prevent unintentional starting Before performing adjustments Remove spark plug wire from spark plug Disconnect battery at negative terminal only engines with electric start TO ADJUST REMOTE CHOK...

Page 15: ...000 feet 900 to 1500 meters above sea level may require a high alti tude carburetor main jet If erratic performance is observed contact a Briggs Stratton Authorized Service Dealer for cost to install purchase a high altitude carburetor main jet TO ADJUST CARBURETOR 1 Start engine and warm up approximately 5 minutes before adjusting 2 With engine running place throttle control in SLOW position 3 Ro...

Page 16: ...ing more than 5 000 Master Service Technicians Look for these signs wherever Briggs Stratton service is offered You may locate your nearest Authorized Briggs Stratton Service Dealer in our dealer locator map on our web site or in the Yellow Pages directory under Engines Gasoline or Gasoline Engines or Lawn Mowers or similar category An illustrated shop manual includes com mon specifications and de...

Page 17: ...e other rights which vary from state to state and country to country r Sleeve Bore Kool Bore r 45 Commercial Use 2 years 90 days 1 year Consumer Use 2 years 2 years 90 days 1 year 1 year Note the following special warranty periods 2 years for Classic engines in the European Union and Eastern European countries for all consumer products in the European Union and for emission control systems on engi...

Page 18: ...extends only to the parts listed below the emission con trol systems parts to the extent these parts were present on the engine purchased a Fuel Metering System Cold start enrichment system Carburetor and internal parts Fuel Pump b Air Induction System Air cleaner Intake manifold c Ignition System Spark plug s Magneto ignition system d Catalyst System Catalytic converter Exhaust manifold Air injec...

Page 19: ... 7 7 5 97 8 7 8 9 9 77 7 5 7 96 7 9 7 7 7 C 9 7 95 7 96 7 9 7 6 CE E 9 9 8 6 9 7 7 5 5 7 8 79 8 8 8 6 9 8 7 9 8 LM 9 8 7 97 MN 7 96 7 9 9 5 7 6 9 8 7 8 7 96 7 9 8 9 8 E 8 8 7 8 9 7 7 5 7 8 7 8 9 6 8 7 C 9 9 9 5 9 C 97 96 8 7 9 5 J5 7 7 7 7 9 B 96 7 9 7 8 8 7 9 96 7 9 8 7 7 7 5 8 7 6 9 7 6 8 8 98 6 7 3 66 7 6 8 7 7 9 C 9 8 98 5 6 8 9 9 9 8 5 9 8 8 7 7 7 6 7 5 8C 8 8 7 6 97 6 8 8 98 9 9 9 8 9 5 7 9 ...

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