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Operating & Maintenance
Instructions
Model Series
Covered in
This Manual
420000
460000
Model Type Code
Note: General Model Series number noted above is inclusive of the specific model
Month Day Year
number found on your engine. To get replacement parts or technical assistance in
the future, write your engine Model, Type, Code and date of purchase here.
TABLE OF CONTENTS
WARNING
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Briggs & Stratton does not approve or auth
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The Power That Works For You. Look For Relevant Emissions Durability Period and Air Index Informa- tion On Your Engine Emissions Label 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 Dur
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274796 BEFORE OPERATING ENGINE • Read entire Operating & Maintenance Instructions AND the instructions for the equipment this engine powers.* • Failure to follow instructions could result in serious injury or death. THE OPERATING & MAINTENANCE INSTRUCTIONS CONTAIN SAFETY INFORMATION TO • Make you aware of hazards associated with engines • Inform you of the risk of injury associated with those hazards, and • Tell you how to avoid or reduce the risk of injury. The safety alert symbol ( ) is used t
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SAFETY WARNING WARNING Starting engine creates sparking. Gasoline and its vapors are extremely flammable and explosive. Sparking can ignite nearby flammable gases. Fire or explosion can cause severe burns or death. Explosion and fire could result. WHEN ADDING FUEL • If there is natural or LP gas leakage in area, do not start engine. • Turn engine OFF and let engine cool at least 2 minutes before removing gas cap. •Do not use pressurized starting fluids because vapors are flammable. • Fill fuel t
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SAFETY WARNING WARNING Engines give off carbon monoxide, an Unintentional sparking can result in fire or odorless, colorless, poison gas. electric shock. Breathing carbon monoxide can cause nausea, fainting or death. Unintentional start-up can result in en- tanglement, traumatic amputation, or lac- • Start and run engine outdoors. eration. • Do not start or run engine in enclosed area, even if doors or windows are open. BEFORE PERFORMING ADJUSTMENTS OR REPAIRS WARNING • Disconnect spark plug wir
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ENGINE INFORMATION 4 5 3 11 10 9 8 2 1 6 7 1. Spark plug wire 2. Carburetor 6. Oil drain plug 3. Air cleaner 7. Crankshaft 4. Rotating screen 8. 12V electric starter 5. Emission label and Engine 9. Fuel filter Model Type Code label 10. Oil fill/Dipstick xxxxxx xxxx xx xxxxxxxx 11. Blower housing GENERAL INFORMATION TUNE-UP SPECIFICATIONS ENGINE MODEL Armature air gap . . . 0.010 0.014 in. (0.25 0.36 mm) This is a twin cylinder, L-head, air-cooled engine. It is a low Spark plug gap . .
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274796 OIL SAE Viscosity Grades CAUTION: This engine is shipped from Briggs & Stratton without oil. Check oil level before starting engine. If you start the engine without oil, the engine ** will be damaged beyond repair and will not be * covered under warranty. OIL CAPACITY -20 0 20 32 40 60 80 100 °F Engine without oil filter holds approximately 1-1/2 quarts -30 -20 -10 0 10 20 30 40 °C (48 ounces; 1.4 liter). STARTING TEMPERATURE RANGE ANTICIPATED BEFORE NEXT OIL CHANGE Engine equipped with o
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FUEL • This engine is certified to operate on gasoline. Exhaust TYPE OF FUEL TO USE Emission Control System: EM (Engine Modifications). •Use clean, fresh, regular unleaded gasoline with a minimum of 77 octane. Fresh fuel prevents gum from forming in the fuel system or on essential carburetor parts. CAUTION: Some fuels, called oxygenated or reformu- Purchase fuel in quantity that can be used within 30 days. lated gasoline, are gasoline blended with alcohols or • Do not use gasoline which contains
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STARTING AND STOPPING REWIND (MANUAL) STARTER TO START ENGINE FULL ÏÏ Choke ÏÏ [2] Open fuel shut-off valve (if equipped). [4] Move throttle to FAST Ï (if equipped). Operate en- [3] Move choke control to CHOKE or gine with throttle in FAST. [1] Check oil level (see p. 7). START. [5] Grasp rope handle. Pull slowly WARNING until resistance is felt, then pull [6] Let engine warm up. rapidly to start engine and avoid Choke Equipped: Move kickback. choke control lever toward RUN a short dis- tance
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STARTING AND STOPPING ELECTRIC (KEY) STARTER (if equipped) TO START ENGINE FULL ÏÏ ÏÏ Choke [2] Open fuel shut-off valve Ï [4] Move throttle to FAST (if (if equipped). Ï equipped). Operate en- [1] Check oil level. [3] Move choke control to CHOKE or gine with throttle in FAST. START. [6] Let engine warm up. Choke CAUTION: Equipped: Move choke To prolong starter life, control lever toward RUN a use short starting cycles short distance at a time over (5 seconds maximum, several seconds in warm th
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MAINTENANCE MAINTENANCE EMISSION CONTROL Regular maintenance will improve the performance and Maintenance, replacement or repair of the emission extend the life of the engine. See any Authorized Briggs & control devices and systems may be performed by any Stratton Dealer for service. Use only genuine Briggs & nonroad engine repair establishment or individual. Stratton parts. Other parts may not perform as well, However, to obtain no charge repairs under the terms and may damage the engine, and m
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MAINTENANCE AIR CLEANER CHANGING OIL FILTER (IF EQUIPPED) All engines have an oval air cleaner cartridge. In addition, Change oil filter after every 100 hours. some engines have a pre-cleaner. Pre-cleaner To clean pre-cleaner (if equipped), separate it from cartridge and wash in liquid detergent and water. Squeeze OIL FILTER P/N dry in a clean cloth. Saturate in engine oil. Squeeze in SEE PAGE 16 clean, absorbent cloth to remove all EXCESS oil. CAUTION: Do not use pressurized air or solvents to
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MAINTENANCE ENGINE AND ENGINE PARTS We recommend that you see an authorized Briggs & Stratton Service Dealer for all maintenance and service of the engine and engine parts. Use only genuine Briggs & Stratton parts. If you perform any maintenance on the engine, first disconnect the spark plug wire from the spark plug, and disconnect the battery at the negative terminal (electric WARNING starter engines only) to prevent unintentional sparking. Unintentional sparking can result in fire or electric
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MAINTENANCE CLEANING DEBRIS CAUTION: Do not use water to clean engine parts. Water could contaminate fuel system. Use a brush or dry cloth. Daily or before every use, clean accumulated debris from engine. Keep linkage, springs and controls clean. Keep area around and behind muffler free of any combustible debris. CLEAN Engine parts should be kept WARNING clean to reduce the risk of Linkage, Springs and Controls overheating and ignition of accu- mulated debris. This is especial- ly important if c
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ADJUSTMENTS TO ADJUST REMOTE THROTTLE CONTROL TO ADJUST CARBURETOR IDLE If the engine does not start or if it runs roughly, the remote SPEED throttle control may need adjustment. See your authorized SCREW Briggs & Stratton dealer or follow the instructions below. CARBURETOR THROTTLE NON-ADJUSTABLE LEVER IDLE MIXTURE JET [1] Start engine and warm up approximately 5 minutes before adjusting. CASING SWIVEL [2] With engine running, place throttle control in SLOW CLAMP SCREW position. [3] Rotate carb
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SERVICE & STORAGE PARTIAL LIST OF GENUINE BRIGGS & STRATTON PARTS BRIGGS & STRATTON SERVICE PART PART NO. (or equivalent) See an Authorized Briggs & Stratton Service Dealer. Each one carries a stock of Genuine Briggs & Stratton Parts and Air cleaner cartridge 394019 is equipped with special service tools. Trained mechanics Air cleaner pre-cleaner 272490 assure expert repair service on all Briggs & Stratton Air cleaner pre-cleaner and cartridge 5052 engines. Only dealers advertising as Authorize
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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 t
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! !'!! +,- . /! !" ! +, . ( 0!& ! "! "1 +(22 , &! !! 1 & 1 & + # 3 ) / " 1 . 4 !, EMISSION CONTROL WARRANTY COVERAGE IS APPLICABLE TO CERTIFIED ENGINES PURCHASED IN CALIFORNIA IN 1995 AND THERE- AFTER, WHICH ARE USED IN CALIFORNIA, AND TO CERTIFIED MODEL YEAR 1997 AND LATER ENGINES WHICH ARE PURCHASED AND USED ELSEWHERE IN THE UNITED STATES (AN
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