Table of Contents
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Model Series
Covered in
This Manual
351700
380700
381700
Note: General Model Series numbers noted above include many specific numbers
like the ones 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 1999 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.
In the USA and Canada our 24 hour hotline is
16
17
Instructions
Code
Month Day Year
WARNING
1-800-233-3723
Briggs & Stratton Corporation
Milwaukee, Wisconsin 53201
www.briggsandstratton.com
FORM NO. 274276-10/99
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Table of Contents
Related Manuals for Briggs & Stratton 351700, 380700, 381700
Summary of Contents for Briggs & Stratton 351700, 380700, 381700
- Page 1 Model Series Covered in This Manual 351700 380700 381700 Model Note: General Model Series numbers noted above include many specific numbers like the ones 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 .
- Page 2 Engine is certified to be 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.
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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 Inform you of the risk of injury associated with those hazards, and Tell you how to avoid or reduce the risk of injury. - 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. Do not overfill fuel tank.
- Page 5 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.
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Page 6: Engine Parts
ENGINE PARTS 1. Air cleaner 2. Carburetor 3. Rewind starter (if equipped) 4. Blower housing 5. Oil filter (if equipped) 6. Spark plug wire 7. Oil drain plug 8. Oil fill/Dipstick GENERAL INFORMATION ENGINE MODEL This is a twin cylinder, overhead valve (OHV), air-cooled engine. -
Page 7: Oil Capacity
274276 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 holds approximately 1-1/2 quarts (48 ounces or 1.4 liters) when changing oil and filter. -
Page 8: Adding Fuel
Use correct type of oil for expected starting temperature. (See Oil.) Remove external equipment/engine loads. (See equipment operating instructions.) Start lawn mower on hard surface or over previously cut grass. This engine is certified to operate on gasoline. Exhaust Emission Control System: EM (Engine Modifications). -
Page 9: Starting And Stopping
REWIND (MANUAL) STARTER TO START ENGINE FULL Ï Ï Ï Ï Ï [1] Check oil level (see p. 7). STOP [5] Push rocker switch (if equipped) to ON or RUN. TO STOP ENGINE CAUTION: Do not stop engine by moving choke control to CHOKE. - Page 10 STARTING AND STOPPING ELECTRIC (KEY) STARTER (if equipped) TO START ENGINE FULL Ï Ï Ï [1] Check oil level (see p. 7). STOP [5] Push rocker switch (if equipped) to ON or RUN. TO STOP ENGINE [1] Move throttle 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 or every season. OIL FILTER P/N SEE PAGE 15 [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 SWIVEL EXHAUST MANIFOLD THROTTLE STOP [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 (351700) Air cleaner pre-cleaner (351700) Air cleaner pre-cleaner and cartridge (351700) Air cleaner cartridge (380700) Air cleaner pre-cleaner (380700) Oil filter (3-1/2 in. - Page 17 Briggs & Stratton Corporation (B&S), the California Air Resources Board (CARB) and the United States Environmental Protection Agency (U.S. EPA) Emission Control System Warranty Statement (Owner’s Defect Warranty Rights and Obligations) EMISSION CONTROL WARRANTY COVERAGE IS APPLICABLE TO CERTIFIED ENGINES PURCHASED IN CALIFORNIA IN 1995 AND THEREAFTER, WHICH ARE USED IN CALIFORNIA, AND California and United States Emission Control Defects Warranty Statement The California Air Resources Board (CARB), U.S.
- Page 18 9. A bent or broken crankshaft, caused by striking a solid ob- ject with the cutter blade of a rotary lawn mower, or exces- sive v-belt tightness. 10. Routine tune-up or adjustment of the engine.
- Page 19 BRIGGS & STRATTON ENGINE OWNER WARRANTY POLICY “Briggs & Stratton Corporation will repair or replace, free of charge, any part, or parts of the engine that are defective in material or workmanship or both. Transportation charges on parts submitted for repair or replacement under this Warranty must be borne by purchaser.