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Operator’s Manual
Quantum 600 Series
Model 120000
625 Series
650 Series
675 Series
Quick Start Guide
on page 4
Copyright Briggs & Stratton Corporation
Form No. 277039-9/06
BRIGGSandSTRATTON.com Milwaukee, Wisconsin 53201 U.S.A.
Printed in U.S.A.
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Safety References The safety alert symbol is used to identify safety SYMBOLS ASSOCIATED information about hazards that can result in personal WITH THIS ENGINE: injury. A signal word (DANGER, WARNING, or CAUTION) is used with the alert symbol to indicate the Read likelihood and the potential severity of injury. In addition, Fire Operating a hazard symbol may be used to represent the type of Manual hazard. Explosion Oil DANGER indicates a hazard which, if not avoided, will result in death or ser
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Know Your Engine Rewind/Starter handle Fuel fill Oil cap & Oil dipstick Choke (if equipped) Primer Muffler Spark plug Front view Speed control lever Air cleaner Side oil drain plug (if equipped) Back view 3
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This manual contains safety information to make you aware of the hazards and risks associated with engines. Read the Operating Manual before starting your engine. 1 2 3 4 ADD OIL WHAT KIND? High quality SAE 30 motor oil. HOW MUCH? To FULL line on dipstick. Engine holds about 20 oz. (0.61l). HOW? Unscrew and remove oil cap. Pour in oil. Replace cap. FULL SPECIAL CONCERNS? WIPE DIPSTICK. Do not overfill. REPLACE DIPSTICK Do not tip engine. AND TIGHTEN CAP. REMOVE DIPSTICK TO READ LEVEL. See page
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If ReadyStart™ go to step 4. 1 2 3 4 PUSH PRIMER HOW MANY TIMES? Press 5 times the FIRST TIME you start engine. For all future starts, press 3 times. HOW? Locate primer bulb. Press with finger. Wait two seconds between each press. SPECIAL CONCERNS? Pressing primer too many times can flood engine with gas. A flooded engine will not start. See Troubleshooting section. 1 2 3 4 PULL STARTER HANDLE HOW? Stand behind equipment. Close bail, or operator control bar, on equipment with this feature. If y
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Troubleshooting Starter Handle will not pull. The bail, operator control bar, is not WARNING engaged which releases the brake from the flywheel allowing the engine to turn over. Place equipment on flat level surface. • Ensure all external equipment/engine loads are removed before starting engine. Direct coupled equipment components must be securely attached such as, but not limited to, blades, impellors, pulleys, sprockets, etc. Engine will not start. CAUTION Oil Level is OVER FULL DO NOT
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ReadyStart Instructions 1. Check oil level. Ensure level is at FULL mark on dipstick. Use a high quality motor oil. Check the oil WARNING recommendations for the correct oil type for • Make sure spark plug, muffler, fuel expected starting temperature. cap and air cleaner are in place. • Do not crank engine with spark plug removed. • DO NOT start engine if there is a natural or LP gas leak in area. • If there is natural or LP gas leakage in area, do not start engine. • Do not use pressurized sta
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Starting Instructions 1. Check oil level. Ensure level is at FULL mark on dipstick. Use a high quality motor oil. Check the oil WARNING recommendations for the correct oil type for expected starting temperature. • Make sure spark plug, muffler, fuel cap and air cleaner are in place. • Do not crank engine with spark plug removed. • DO NOT start engine if there is a natural or LP gas leak in area. • If there is natural or LP gas leakage in area, do not start engine. • Do not use pressurized starti
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Operating Engine After engine has started, let it warm up several seconds to several minutes, depending on outside temperature. WARNING For maximum performance and life, operate engine with speed control in FAST, if equipped. Running engines produce heat. Engine parts, especially muffler, • Do not tip engine or equipment at angle which become extremely hot. causes gasoline to spill. Severe thermal burns can occur on Periodically remove grass buildup under mower deck. contact. See Maintenance sec
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Oil Capacity Recommendation The engine holds approximately (18 oz.; 0.5 liter). Viscosity Grades • Use a high quality SAE 30 weight motor oil. • Do not use special additives. ** • Choose a viscosity according to the table opposite. * Note: Synthetic oil meeting ILSAC GF-2, API certification mark and API service symbol (shown at left) with “SJ/CF ENERGY CONSERVING” or -20 0 20 32 40 60 80 100 °F higher, is an acceptable oil at all -30 -20 -10 0 10 20 30 40 °C temperatures. Use of synthetic oil ST
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Changing Oil Change oil after first 5 to 8 hours of use, then every 50 CAUTION hours or every season. Change oil every 25 hours when operating the engine under heavy load or in high Used oil is a hazardous waste product. Dispose temperatures. of used oil properly. Do not discard with household waste. Check with your local 1. Run engine until it runs out of fuel. Otherwise, fuel authorities, service center, or dealer for safe can leak out, creating a fire/explosion hazard, disposal/recycling faci
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Adding Fuel 1. Remove cap. Fill tank to approximately one inch below top of neck to allow for fuel expansion. Be WARNING careful not to overfill. 2. Replace cap before starting. • Turn engine OFF and let engine cool at least 2 minutes before Fuel Fill removing gas cap. • Fill fuel tank outdoors or in well-ventilated area. • Do not overfill fuel tank. Fill tank to approximately 1 inches below top of neck to allow for fuel expansion. • If fuel spills, wait until it evaporates before starting engin
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Engine Specifications This is a single cylinder, L-head, air-cooled engine. It is Technical Information a low emissions engine. Engine Power Rating Information In the state of California, model 120000 engine covered The gross power rating for individual gas engine models is in this manual is certified by the California Air labeled in accordance with SAE (Society of Automotive Resources Board to meet emissions standards for 125 Engineers) code J1940 (Small Engine Power & Torque Rating hours. Such
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WARNING Engine Maintenance Unintentional sparking can result Regular maintenance will improve the performance and in fire or electric shock. extend the life of the engine. See any Authorized Briggs & Stratton Dealer for service. Use only genuine Fire or explosion can cause Briggs & Stratton parts. Other parts may not severe burns or death. perform as well, may damage the engine, and may result in injury. In addition, use of other parts may void Unintentional start-up can result your warranty. in
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Air Cleaner All engines have an air cleaner cartridge. The cartridge CAUTION is either flat or oval (see illustrations). 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. Pre-cleaner To clean pre-cleaner (if equipped), separate it from cartridge and wash in liquid detergent and water. Air dry thoroughly. Do not oil. Re-assemble dry pre-cleaner on clean cartridge. Flat A
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Combustion Deposits We recommend that after every 100-300 hours you have an authorized Briggs & Stratton Service Dealer remove combustion deposits from the cylinder, cylinder head, top of piston, and around valves. Muffler Replacement parts for the muffler must be the same and installed in the same position as the original parts, WARNING otherwise fire can occur. Fuel System Drain fuel tank or close fuel shut-off valve before replacing fuel filter. Otherwise, fuel can leak out WARNING creating a
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Storage Engines stored over 30 days need special attention. 1. To prevent gum from forming in fuel system or on WARNING essential carburetor parts: When Transporting Equipment: a) if fuel tank contains oxygenated or reformulated gasoline (gasoline blended with an alcohol or an • Transport with fuel tank EMPTY ether), run engine until it stops from lack of fuel, or with fuel shut-off valve OFF. or b) if fuel tank contains gasoline, either run engine When storing gasoline or until it stops from la
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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 periods of time listed below, provided there has been no B&S are pleased to explain the Emissions Control System abuse, neglect or improper maintenance of your small Warranty on your sm
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BRIGGS & STRATTON ENGINE OWNER WARRANTY POLICY Effective September 1, 2006 LIMITED WARRANTY 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 parts submitted for repair or replacement under this warranty must be borne by purchaser. This warranty is effective for and is subject to the time periods and conditions stated below. For warranty service, find the nearest Authoriz
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ABOUT YOUR ENGINE WARRANTY Briggs & Stratton welcomes warranty repair and 4. Parts which are scored or broken because an apologizes to you for being inconvenienced. Any engine was operated with insufficient or Authorized Service Dealer may perform warranty contaminated lubricating oil, or an incorrect grade repairs. Most warranty repairs are handled routinely, of lubricating oil (check oil level daily or after every but sometimes requests for warranty service may not 8 hours of operation. Refill
