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Before starting this engine, read and understand
this Operator/Owner Manual. Failure to follow instructions
in this manual could result in serious injury or death.
28N700, 287700,
28P700, 28Q700, 28S700, 28U700,
310700, 311700, 312700, 313700
Model Type Code
For future reference, write your engine Model/Type/Code here.
For future reference, write your engine Date of Purchase here.
Table of Contents
In the Interest of Safety . . . . . . . . . . . . . . . . . .
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Maintenance, replacement or repair of the emission control devices and systems may be performed by any nonroad en- gine repair establishment or individual. However, to obtain no charge repairs under the terms and provisions of the Briggs & Stratton warranty statement, any service or emission control part repair or replacement must be performed by a factory authorized dealer. In the Interest of Safety This safety alert symbol indicates that this message You are not ready to operate this engin
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Oil & Fuel Recommendations Oil Fuel This engine is shipped from Briggs & Stratton without oil. Use clean, fresh, regular unleaded gasoline with a minimum Before starting engine, check oil level as shown below. of 85 octane. Do not mix oil with gasoline. Fresh fuel prevents Change and add oil according to chart below. Do not over-fill. gum from forming in fuel system or on essential carburetor parts. Purchase fuel in quantity that can be used within 30 Use a high quality detergent oil classified
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Starting & Stopping Choke operation/engine warm-up Start engine This engine is a low emissions engine which operates differently Always keep hands and feet clear of mower blade or from previously built engines. It is designed for maximum other rotating machinery. performance and life if operated with the choke fully open (in Electric starter RUN) and throttle fully open (in FAST). To open the choke fully requires an engine warm-up period of several seconds to Turn key to START or press button. R
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Adjustments Control adjustments Carburetor adjustments The manufacturer of the equipment on which this WIRE engine is installed specifies top speed at which the engine will be operated. DO NOT EXCEED this To prevent accidental starting, remove speed. and ground spark plug wire and dis- connect battery at negative terminal, if Differences in fuel, temperature, altitude or load may require equipped, when adjusting controls. minor carburetor adjustment. Air cleaner and air cleaner cover must be ass
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See Maintenance Schedule, page 8. Follow the hourly or calendar intervals, whichever occur first. Note that more frequent service is required when operating in adverse conditions. Maintenance Air cleaner WIRE To prevent accidental starting, remove and ground spark plug wire and dis- connect battery at negative terminal, if COVER KNOB equipped, when adjusting controls. COVER Oil CARTRIDGE KNOB Check oil level regularly. Be sure correct oil level is maintained. Check every 8 hours or CARTRIDGE &
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See Maintenance Schedule, page 8. Follow the hourly or calendar intervals, whichever occur first. Note that more frequent service is required when operating in adverse conditions. Maintenance Keep engine and parts clean. Grass, chaff or debris may clog the air cooling system, especial- ly after prolonged operation cutting tall, dry grass. Remove Do not clean with a forceful spray of water because water blower housing and clean area shown to prevent overheating could contaminate fuel system. and
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273683 Maintenance Schedule Follow the hourly or calendar intervals, whichever occur first. More frequent service is required when operating in adverse conditions noted below. Every 8 Hours 25 Hours or 50 Hours or 100 Hours or Maintenance Operation Yearly or Daily Every Season Every Season Every Season Check oil level Change oil ♦ Note 1 Replace oil filter, if equipped Service air cleaner pre-cleaner, if equipped Note 2 Service air cleaner cartridge, if not equipped with pre-cleaner No
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Service, Storage & Specifications For service Storage instructions See an Authorized Briggs & Stratton Service Dealer. Each Engines stored over 30 days need to be protected or drained one carries a stock of Genuine Briggs & Stratton Parts and is of fuel to prevent gum from forming in fuel system or on equipped with special service tools. Trained mechanics essential carburetor parts. assure expert repair service on all Briggs & Stratton engines. Only dealers advertising as “Authorized Briggs & St
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273683 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) In the interest of the environment, B&S engines that meet strict emis- TO CERTIFIED ENGINES PURCHASED IN CALIFORNIA IN 1995 sion requirements are labeled, “This engine conforms to 1995 - 1998 AND THEREAFTER, WHICH ARE USED IN CALIFORNIA, AND California emis
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About your engine warranty: (see back cover for statement of LIMITED WARRANTY). Briggs & Stratton welcomes warranty repair and apologizes 4. Parts which are scored or broken because an engine was to you for being inconvenienced. Any Authorized Service operated with insufficient or contaminated lubricating oil, Dealer may perform warranty repairs. Most warranty repairs or an incorrect grade of lubricating oil (check oil level daily or after every 8 hours of operation. Refill when necessary are ha
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BRIGGS & STRATTON ENGINE OWNER WARRANTY POLICY effective July 1, 1998 Replaces all undated Warranties and all Warranties dated before July 1, 1998 LIMITED WARRANTY “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. This warranty is effective for the time periods and subject t
