Table of Contents
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Model Series
Covered in
This Manual
420000
460000
Note: General Model Series number noted above is inclusive of the specific model
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
Safety
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Engine Information
. . . . . . . . . . . . . . . . . . . . . . . .
Oil
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fuel and Starting Information
Starting and Stopping
Maintenance
. . . . . . . . . . . . . . . . . . . . . . . . .
Adjustments
. . . . . . . . . . . . . . . . . . . . . . . . . .
Parts and Service & Storage
Warranty Information
PRINTED IN U.S.A.
Model
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . .
9-10
11-14
14-15
. . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . .
Copyright 2003 by Briggs & Stratton Corporation
Operating & Maintenance
Type
3-5
Briggs & Stratton does not approve or authorize the use of
6
these engines on 3-wheel All Terrain Vehicles (ATVs), motor
7
bikes, aircraft products or vehicles intended for use in
competitive events. Use of these engines in such applications
8
could result in property damage, serious injury (including
paralysis), or even death.
Need assistance? Go to
for detailed information regarding
16
1-800-233-3723
Or call,
17
to hear a menu of pre-recorded messages
offering engine maintenance information.
Instructions
Code
Month Day Year
WARNING
www.briggsandstratton.com
Briggs & Stratton engines.
, (U.S.A. and Canada)
FORM NO. 274796-5/03
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Table of Contents
Related Manuals for Briggs & Stratton 420000 Series
Summary of Contents for Briggs & Stratton 420000 Series
- Page 1 Model Series Covered in This Manual 420000 460000 Model Note: General Model Series number noted above is inclusive of the specific model 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.
- Page 2 Category C = 125 hours, B = 250 hours and A = 500 hours. For engines of 225 cc or more, Category C = 250 hours, B = 500 hours and A = 1000 hours. The displacement of Model Series 420000 engines is 694 cc. The displacement of Model Series 460000 engines is 745 cc.
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Page 3: Hazard Symbols And Meanings
• 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 •... - Page 4 SAFETY WARNING Gasoline and its vapors are extremely flammable and explosive. Fire or explosion can cause severe burns or death. WHEN ADDING FUEL • Turn engine OFF and let engine cool at least 2 minutes before removing gas cap. • Fill fuel tank outdoors or in well-ventilated area. •...
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Page 5: Engine Information
WARNING Engines give off carbon monoxide, an odorless, colorless, poison gas. Breathing carbon monoxide can cause nausea, fainting or death. • Start and run engine outdoors. • Do not start or run engine in enclosed area, even if doors or windows are open. WARNING Running engines produce heat. -
Page 6: Tune-Up Specifications
This is a twin cylinder, L-head, air-cooled engine. It is a low emissions engine. In the state of California, the 420000 and 460000 series engines covered in this manual are certified by the California Air Resources Board to meet emissions stan- dards for 125 hours. -
Page 7: Oil Capacity
274796 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 Engine without oil filter holds approximately 1-1/2 quarts (48 ounces;... -
Page 8: Adding Fuel
FUEL TYPE OF FUEL TO USE • 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. Purchase fuel in quantity that can be used within 30 days. •... -
Page 9: To Start Engine
REWIND (MANUAL) STARTER TO START ENGINE FULL Ï Ï Ï Ï Ï [1] Check oil level (see p. 7). [5] Grasp rope handle. Pull slowly WARNING Rewind starter TO STOP ENGINE CAUTION: Do not stop engine by moving choke control to CHOKE. Backfire, fire or en- gine damage... - Page 10 STARTING AND STOPPING ELECTRIC (KEY) STARTER (if equipped) TO START ENGINE FULL Ï Ï Ï Ï Ï Ï [1] Check oil level. [5] Insert key and turn to START. TO STOP ENGINE [1] Move throttle (if equipped) to SLOW. Choke [2] Open fuel shut-off valve (if equipped).
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Page 11: Changing Oil
MAINTENANCE Regular maintenance will improve the performance and extend the life of the engine. See any Authorized Briggs & Stratton Dealer for service. Use only genuine Briggs & Stratton parts. Other parts may not perform as well, may damage the engine, and may result in injury. In addition, use of other parts may void your warranty. -
Page 12: Air Cleaner
MAINTENANCE CHANGING OIL FILTER (IF EQUIPPED) Change oil filter after every 100 hours. OIL FILTER P/N SEE PAGE 16 1/2-3/4 TURN MORE [1] Drain engine oil and remove oil filter. [2] Before installing new filter, lightly oil filter gasket with fresh, clean oil. [3] Screw filter on by hand until gasket contacts oil filter adapter. - Page 13 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. WARNING WARNING MUFFLER Replacement parts for the WARNING muffler must be the same and installed in the same position...
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Page 14: Control Adjustments
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. -
Page 15: Carburetor Adjustment
TO ADJUST REMOTE THROTTLE CONTROL If the engine does not start or if it runs roughly, the remote throttle control may need adjustment. See your authorized Briggs & Stratton dealer or follow the instructions below. CASING CLAMP SCREW QUARTER CIRCLE [1] Remove air cleaner. -
Page 16: Service & Storage
SERVICE & STORAGE PARTIAL LIST OF GENUINE BRIGGS & STRATTON PARTS BRIGGS & STRATTON PART PART NO. (or equivalent) Air cleaner cartridge Air cleaner pre-cleaner Air cleaner pre-cleaner and cartridge Oil filter (3-1/2 in. long) Oil filter (2-1/4 in. long) Fuel filter (with fuel pump) Fuel filter (without fuel pump) Gas additive... -
Page 17: 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. - Page 18 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 (AND AFTER JANUARY 1, 2001 IN CANADA). The California Air Resources Board (CARB), U.S.
- Page 19 • • • • • • • • • • • • INFORMATIONS IMPORTANTES CORPORATION BRIGGS & STRATTON FAMILLE YBSXS.3192VA 274812 CE MOTEUR EST CONFORME AUX NORMES ANTIPOLLUTION 2000 – 2001 DE CALIFORNIE POUR LES PETITS MOTEURS HORS ROUTE ET AUX NORMES ENVIRONNEMENTALES AMÉRICAINES (EPA PHASE 2) POUR LES PETITS MOTEURS HORS ROUTE.