FORM NO. 276183-8/05 PRINTED © Copyright 2005 by Briggs & Stratton tN U.S.A. Corporation Operating ntenance Instructions The Power That Works Model Series For You® 21000, 21100 covered in this manual www.briggsandstratton.
Safety References SYMBOLS ASSOCIATED WITH THIS ENGINE: 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. DANGER indicates a hazard which, if not avoided, will result in death or serious injury.
Features 1. Carburetor 2. Stop Switch location, if equipped/stop wires 3. Rope Handle 4. Fuel Fill 5. Air Cleaner 6. Choke 7. Spark Plug 8, Primer Bulb 9. Engine Identification Model XXXXX Type XXXXXX Code XXXXXXXX 10.
Safety CAUTION WARNING This engine is shipped from Briggs & Stratton without oil. If you start the engine without oi!, the engine wit! be damaged beyond repair and will not be covered under warranty. WARNING WHEN ADDING When starting engine, pull cord slowly until resistance is felt, then pull rapidly. o Direct coupled equipment components such as, but not limited to, blades, impellers, pulleys, sprockets, etc., must be securely attached.
Starting This engine is shipped WITHOUT oiI. See section on oil for recommendations, capacity, and filling details. CAUTION Full Operating engine at an excessive speed without proper engine loading will cause damage. DO NOT operate a string trimmer with a line shorter than 10" diameter for extended periods. Choke Half Choke Off Position Choke Lever Primer Bulb 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. 2.
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.
Troubleshooting CAUTION Engine will not start 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. Out of fuel • Prime engine • if engine is cold, ensure choke is set correctly. • Add fuel Engine ,_ • Ensure fuel cap is in place before starting engine • Set choke to FULL CHOKE position and continue to pull starter handle.
Oil Adding Oil Capacity Engine holds approximately 3 ounces (90 hi). Change oil after first 4 hours of use. CAUTION KEEP 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 & Stratton Synthetic Oil, Part Number 100074. Do not use special additives.
Changing OH & 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 _ * wire Disconnect and keep spark it away plug from spark plug. 1. Change oil while engine is OFF but still warm, ensure fuel cap is tightened securely. 2. Remove dipstick and drain oil in direction shown. 3. Place engine level. Using oil measure cup pour oil slowly adding half ounce at a time. Do not over fill.
Fuel Type of Fuel CAUTION to Use Use clean, fresh, regular unleaded gasotine 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. ,, For engine protection use Briggs & Stratton Gasoline Additive available from your Authorized Briggs & Stratton Dealer. ,, Do not use gasoline which contains Methanol. Do not mix oil with gasoline. • This engine is certified to operate on gasoline.
Specifications Technical CAUTION All the components used to build this engine assembly must remain in place for the proper operation of this engine. We recommend that you use an authorized Briggs & Stratton Service Dealer for all maintenance and service of the engine and engine parts. Use only genuine Briggs & Stratton parts. GENERAL INFORMATION This is a single cylinder, air-cooled engine. It is a low emissions engine.
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 Bricig__ & Stratton parts. Other parts may not perform as well, may damage the engine, and may result in _. In addition, use of other parts may void your warranty.
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. Do not use pressurized air or solvents to clean cartridge. Pressurized air can damage cartridge; so vents w d sso ve cartr dge. WARNING Ensure air cleaner, retainer, and cover are properly installed before starting engine.
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 Do not use water to clean engine parts. Water could contaminate fuel system. Use a brush or dry c oth. Plug Check the spark plug every 50 hours. Replace the spark plug if upon inspection the electrode is burned or worn. Ensure the spark plug is clean. Check the gap with a feeler gauge and reset if necessary.
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. • Press primer bulb I5 times to purge fuel from carburetor and fuel lines. Drain remaining fuel into proper receptacle. If fuel is to be disposed, please refer to local rules for proper disposal. • Remove spark plug.
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 & Stratton" are required to meet Briggs & Stratton standards.
Warranty information 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). In California, new small off-road engines model year 2006 and later must be designed, built and equipped to meet the State's stringent anti-smog standards. listed below, provided there has been no abuse, neglect or improper maintenance of your small off-road engine.
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.
Effective,July1, 2004 replacesall undatedWarrantiesand all WarrantiesdatedbeforeJuly 1, 2004 LiMiTED WARRANTY Briggs & Stratton Corporation witl 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.
D_clarationde garantie pourles d_fauts de contr61ad'_missions pour la California, los Etats-Unisat la Canada. Le CaliforniaAir ResourcesBoard (CARB), U.S.EPAet B&Sontle plaisir devous expliquerIa garantiedu syst_medecontr61edes 6missionspourvotrepetit moteurtout terrain. En Californie,les petits moteurs tout terrain partir de rann_e 2006 doivent6tre con%s, fabriqu6set _quip6spourr_pondreauxnormess_v_resantibrouillard de I'6tat.