Safety References The safety alert symbol is used to identify safety information about hazards that can result in personal injury. A signal word (DANGER, WARNING, or CAUTION) is used with the alert symbol to indicate the likelihood and the potential severity of injury. In addition, a hazard symbol may be used to represent the type of hazard.
Safety CAUTION This engine is shipped from Briggs & Stratton without oil. If you start the engine without oil, the engine will be damaged beyond repair and will not be covered under warranty. WARNING Gasoline and its vapors are extremely flammable and explosive.
Starting This engine is shipped WITHOUT oil. See section on oil for recommendations, capacity, and filling details. Full Choke Half Choke Off Position Choke Lever 1. Set unit on flat surface and push primer bulb 15 times FOR A NEW ENGINE. Push primer bulb 8 times for all future starts.
Stopping WARNING Do not stop engine by moving choke control to CHOKE. Backfire, fire or engine damage could occur. 1. Depress stop switch located on the engine or equipment to stop. Need Assistance? Go to www.briggsandstratton.com or call 1-800-233-3723...
Troubleshooting Engine will not start Out of fuel • Prime engine • If engine is cold, ensure choke is set correctly. • Add fuel Engine flooded • Set choke to FULL CHOKE position and continue to pull starter handle. Fouled spark plug/engine fails to product spark •...
Capacity Engine holds approximately 3 ounces (90 ml). Change oil after first 4 hours of use. Oil Recommendation • Use a high quality detergent oil classified “For Service SF, SG, SH, SJ” or higher, such as Briggs & Stratton SAE 30, Part Number 100091 (3.2oz) or Briggs &...
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Changing Oil & Checking Level Change oil after first 4 hours of use, then every 8 hours. Change oil every 4 hours when operating the engine under heavy load or in high temperatures. WARNING • Disconnect spark plug wire and keep it away from spark plug.
Fuel Type of Fuel to Use • Use clean, fresh, regular unleaded gasoline with a minimum of 85 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.
This is a single cylinder, air-cooled engine. It is a low emissions engine. In the state of California, Model 21000 and 21100 engines are certified by the California Air Resources Board to meet emissions standards for 50 hours. Such certification...
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.
Air Cleaner Check and clean the intake chamber for dirt. If the foam air filter is dirty and worn, replace with clean filter. 1. Push cover tab to release cover, then pull cover away from engine to service air filter. Clean intake area Cover...
Cleaning Debris Daily or before every use, clean accumulated debris from engine. Keep linkage, spring and controls clean. Keep area behind muffler free of any combustible debris. Spark Plug Check the spark plug every 50 hours. Replace the spark plug if upon inspection the electrode is burned or worn.
Storage The following precautions should be taken if storing your trimmer unit for a period exceeding 30 days, or for seasonal storage. • While engine is still warm, change oil. • Clean engine of surface debris, chaff or grass. • Drain all fuel from fuel tank into proper receptacle for storage.
Service See an Authorized Briggs & Stratton Service Dealer for all your engine service needs. Each one carries a stock of Genuine Briggs & Stratton Parts and is equipped with special service tools. Trained mechanics assure expert repair service on all Briggs & Stratton engines. Only dealers advertising as “Authorized Briggs &...
Warranty Information Briggs & Stratton Corporation (B&S), the California Air Resources Board (CARB) and the United States Environmental Protection Agency (U.S. EPA) Emissions Control System Warranty Statement (Owner’s Defect Warranty Rights and Obligations) The California Air Resources Board (CARB), U.S. EPA and B&S are pleased to explain the Emissions Control System Warranty on your small off-road engine (SORE).
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ABOUT YOUR ENGINE WARRANTY Briggs & Stratton welcomes warranty repair and apologizes to you for being inconvenienced. Any Authorized Service Dealer may perform warranty repairs. Most warranty repairs are handled routinely, but sometimes requests for warranty service may not be appropriate. For example, warranty would not apply if engine damage occurred because of misuse, lack of routine maintenance, shipping, handling, warehousing or improper installation.
BRIGGS & STRATTON ENGINE OWNER WARRANTY POLICY 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 product submitted for repair or replacement under this warranty must be borne by purchaser.