Briggs & Stratton Engine 277102 Operators Manual
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11 Oil Check oil level before starting the engine. Keep oil level at FULL. Do not overfill. Check level daily, or after every eight (8) hours. Capacity Engine oil capacity is 2/3 qt. (22 oz.; 0.65 liter). NOTE: Often residual oil remains in engine. Fill to FULL line on dipstick. Oil Recommendation Use a high quality detergent oil classified “For Service SF, SG, SH, SJ” or higher. Do not use special additives. SAE 30 40F and higher (5C and higher) is good for all purpose use above 40°F, u s e b e l o...
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12 Changing Oil Change oil after first 5 to 8 hours of use, then every 50 hours. Change oil every 25 hours when operating the engine under heavy load or in high temperatures. 1. Run engine until it runs out of fuel. Otherwise, fuel can leak out, creating a fire/explosion hazard, when you tip engine in Step 4. 2. Disconnect spark plug wire and keep it away from spark plug. 3. With engine OFF but still warm remove dipstick. 4. Drain oil into appropriate receptacle. Top oil drain: Keep air cleaner above...
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13 Fuel Type of gasoline to use This engine is certified to operate on gasoline. The emission control system for this engine is EM (Engine Modifications). Always use gasoline that meets these requirements: •Clean, fresh unleaded gasoline. •A minimum of 87 octane/87 AKI (91 RON). If operating at high altitude, see below. •Gasoline with up to 10% ethanol (gasohol) or up to 15% MTBE (methyl tertiary butyl ether), is acceptable. •Use of any gasoline other than those approved above will void the engine...
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14 Fresh Start Continuous Fuel Preserver - Fuel Cap Your engine may be equipped with a Fresh Start™ fuel cap. Cartridge is shown with tab partially removed. Fresh Start fuel cap is designed to hold a cartridge which contains fuel stabilizer. 1. Place silver foil seal end of cartridge into fuel cap. 2. Press to “snap” cartridge into place. 3. Remove the white tab to expose membrane. 4. Reinstall fuel cap on engine fuel tank. 5. Check periodically − if empty, remove and replace. DANGER •IF SWALLOWED, call...
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15 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 notperform as well, may damage the engine, and mayresult in injury. In addition, use of other parts may void your warranty. Emission Control Maintenance, replacement or repair of the emission control devices and systems may be performed by any nonroad engine repair establishment or individual....
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16 Air Cleaner All engines have an air cleaner cartridge. The cartridge is either flat or oval. In addition, some engines have a pre-cleaner. Do not use pressurized air or solvents to clean cartridge. Pressurized air can damage cartridge; solvents will dissolve cartridge. CAUTION Removing and Installing Flat Air Cleaner Flat Air Cleaner SCREWCOV- ERBAS E CARTRIDGECARTRIDGE LIP ASSEMBLE SO CARTRIDGE LIP TOUCHES BASE IN DIRECTION SHOWN PRE-CLEANER LIP TABS AND SLOTS PRE-CLEANER P/N 493537 1. Loosen screw,...
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17 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. On string trimmer applications, clean accumulated debris at each refueling, sooner if needed. Do not use water to clean engine parts. Water could contaminate fuel system. Use a brush or dry cloth. CAUTION CLEANCLEAN Finger Guard CLEAN CLEAN Linkage, Springs, Controls CLEAN Muffler Fuel System Replacing In-line Fuel Filter (if...
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18 Storage Equipment stored with fuel can become stale when stored over 30 days. Stale fuel causes acid and gum deposits to form in fuel system or on essential carburetor parts. Mix fuel stabilizer with fuel in tank or storage container. Run engine for a short time to circulate stabilizer through carburetor and engine. Engine and fuel can be stored up to 24 months. If fuel stabilizer is not used, you need to drain gasoline from equipment prior to storage. If the FRESH START™ continuous fuel preserver...
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19 Specifications All the components used to build this engine assembly must remain in place for the proper operation of this engine. CAUTION 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, overhead valve (OHV), air-cooled engine. It is a low emissions engine. In the state of California, OHV Model 120000 engines are certified by...
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20 Emission Information Engines that are certified to meet the California Air Resources Board (CARB) Tier 2 Emission Standards must display information regarding the Emissions Durability Period and the Air Index. Briggs & Stratton makes this information available to the consumer on our emission labels. The engine emission label will indicate certification information. The Emissions Durability Period describes the number of hours of actual running time for which the engine is certified to be emissions...
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