Operator’s Manual TH098SA/TH139SA/TH139SP (HSK600-870) Two-Cycle Engine • Horizontal/Vertical Crankshaft • Air-Cooled Table of Contents I. II. III. IV. V. VI. VII. VIII. IX. X. XI. XII. IMPORTANT NOTICE! Safety Definitions........................................ii General Safety Precautions ............................................................. 1 How to Get Service .......................................................................... 3 Oil and Fuel Specifications..............................
IMPORTANT NOTICE! Safety Definitions Statements in this manual preceded by the following words and graphics are of special significance: Before operating this engine it is your responsibility to read this Operator’s Manual. Follow these basic rules for your personal safety: • Keep this manual handy at all times for future reference. ! WARNING • Read it carefully and familiarize yourself with operating, maintenance, components and safety instructions.
I. General Safety Precautions • NEVER fill fuel tank indoors. Fill fuel tank outdoors in a well-ventilated area. • DO NOT smoke while refueling tank. ! WARNING Read equipment manufacturer's manual and this material thoroughly before using this engine. Failure to do so can result in serious injury or death. Consult your local Authorized TecumsehPower Servicing Dealer, call 1-800-558-5402, or go to www.TecumsehPower.com for additional information. A.
E. DO NOT Modify Engine To avoid serious injury or death, DO NOT modify engine in any way. Tampering with the governor setting can lead to a runaway engine and cause it to operate at unsafe speeds. NEVER tamper with factory setting of engine governor. ! WARNING Use of this engine on fun-carts, go-karts, or mini-bikes can result in serious injury or death. TecumsehPower Company manufactures the Power Sport line of engines for use in such applications.
II. How to Get Service For engine adjustments, repairs or warranty service NOT covered in this manual, contact your nearest Authorized TecumsehPower Servicing Dealer. Find them on our website at www.TecumsehPower.com or call TecumsehPower Company at 1-800-558-5402 for additional information. Visit our web site at 2083 TECUMSEHPOWER COMPANY THIS ENGINE MEETS 1995-2005 CALIF & US EPA PHI APPLICABLE EMISSION REGULATIONS FOR SI SORE ENGINES EM www.TecumsehPower.com LOG LV195EA 361540D 4TPXS.
III. Oil and Fuel Specifications B. Fuel A. Oil Use unleaded regular, unleaded premium or reformulated automotive fuel only. You may use gasoline containing the components identified in Table 3. To operate your engine you need to use a clean, high quality, 2-cycle oil mixed with fuel at a ratio of 50:1. For recommended mixture ratio of fuel and oil, see Tables 1 and 2. See "A. Mixing Fuel and Oil" instructions. Afterward, continue reading instructions below.
B. Filling Fuel Tank C. Check the Following Items An adult should fuel this engine. NEVER allow children to refuel this engine. Gasoline (fuel) vapors are highly flammable and can explode. Fuel vapors can spread and be ignited by a spark or flame many feet away from engine. To prevent injury or death from fuel fires, follow these instructions: 1. Stop engine and allow it to cool before refueling. 2. Be sure engine is outdoors and in a well-ventilated area. 3.
A. Engines with Electric Starters 5 Some electric starters are equipped WARNING with a 120V AC Three-Wire Power Cord and Plug designed to operate on a 120V AC household current. It must be properly grounded at all times to avoid the possibility of injury or death from electrical shock. 3 2 1 a. Determine if your house wiring has a Ground Fault Interrupted (GFI) Three-Wire Grounded System; If you are not sure ask a Licensed Electrician. 120V AC b.
6. Push starter button or turn ignition switch key (see equipment manufacturer’s instructions) to start engine. NOTE If engine fails to start after 3 attempts repeat steps 2 thru 6. 7. When engine starts: a. Release starter button or ignition switch key. b. Momentarily move choke control to “1/2 CHOKE” position until engine runs smoothly. See Figure 9. c. Next, move choke control to “NO CHOKE” position. See Figure 9. NOTES If engine starts but falters when choke control is moved to “NO CHOKE” position: a.
B. Engines with Recoil Starters If you have an electric starter, see "A. Engines with Electric Starters" instructions beginning on page 6. 1. To avoid carbon monoxide poisoning, be sure engine is outdoors in a well-ventilated area. 2. Move choke control to “FULL CHOKE” position (see equipment manufacturer’s instructions). See Figure 12. 3. Use equipment according to instructions listed in the table and notes below. See Table 5. See Figure 10 on page 7. Afterward, continue reading instructions below.
VI. Stopping Your Engine and Short-Term Storage Stop engine according to equipment manufacturer’s instructions. To avoid unsupervised operation of an engine, especially by children, NEVER leave it unattended when it is running. Always turn off the engine after use and remove ignition key, if provided. Failure to do so may lead to serious injury or death.
B. Stop Engine 1. Move equipment control, if present (see manufacturer’s instructions) engine control lever or ignition switch to “STOP” or “OFF” position. 2. Remove ignition key, if provided (see manufacturer’s instructions). NOTE Removing key will reduce the possibility of unauthorized starting of the engine while equipment is not in use.
VII. Maintenance To avoid serious injury or death, an adult should perform maintenance on this engine. Only allow children to perform maintenance if an adult has determined they are experienced and capable of such operation. WARNING WARNING To prevent accidental starting when working on equipment, always: • Carefully disconnect spark plug wire and keep it away from spark plug. See Figures 16 and 17. • Keep the disconnected spark plug wire securely away from metal parts where arcing could occur.
D. Adjustments DO NOT make any engine adjustments. Factory settings are satisfactory for most conditions. If adjustments are needed, contact your Authorized TecumsehPower Servicing Dealer. 3 2 E. Muffler and Cylinder Exhaust Ports The muffler and cylinder exhaust ports require cleaning after every 75 to 100 hours of operation. NOTE For this maintenance procedure it is recommended that the engine be taken to an Authorized TecumsehPower Servicing Dealer. F. Spark Plug 1 1. .030 in. (0.76 mm) Gap 2.
VIII. Transporting Your Engine IX. Storing Your Engine NEVER transport this engine inside another vehicle or in any enclosed space if there is any gasoline in the tank. Fuel vapor or spilled fuel may ignite leading to serious injury or death. A. Short-Term/Seasonal Storage WARNING If there is fuel in the fuel tank, close the fuel shut-off valve, if equipped, and transport the engine upright in an open vehicle, such as an open trailer or open bed of a pickup truck.
III. Fuel System B. Extended Storage To avoid stale gas and carburetor problems, treat the fuel system in the following method below: I. NOTES TecumsehPower Company recommends using ULTRA-FRESH™ Gasoline Stabilizer as an acceptable method of minimizing formation of fuel gum deposits during storage. This product is available from your Authorized TecumsehPower Servicing Dealer. Always follow mix ratio found on stabilizer container. Failure to do so may result in equipment damage.
II. Oil Cylinder Bore When lubricating cylinder bore, fuel may spray from spark plug hole. To prevent serious injury from fuel fires, follow these instructions: CAUTION 1. Carefully disconnect spark plug wire and keep it away from spark plug. See Figures 21 and 22. • Keep the disconnected spark plug wire securely away from metal parts where arcing could occur. • Carefully attach the spark plug wire to the grounding post, if provided. Figure 21.
XI. Maintenance Intervals Every 100 Hours or Seasonally 1. Replace Spark Plug Maintenance is one of the most important things that you can do to extend the life of your TecumsehPower engine. If you are unable to perform maintenance intervals yourself, contact your nearest Authorized TecumsehPower Servicing Dealer. Find them on our website at www.TecumsehPower.com or call TecumsehPower Company at 1-800-558-5402 for additional information.
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CALIFORNIA & US EPA EMISSION CONTROL WARRANTY STATEMENT The U. S. Environmental Protection Agency (“EPA”), the California Air Resources Board (“CARB”) and TecumsehPower Company are pleased to explain the Federal and California Emission Control Systems Warranty on your new small off-road engine. In California, new 1995 and later small off-road engines must be designed, built and equipped to meet the State’s stringent anti-smog standards.
EMISSION CONTROL SYSTEM WARRANTY Emission Control System Warranty (“ECS Warranty”) for 1995 and later model year California small off-road engines (for other states, 1997 and later model year engines): A. APPLICABILITY: This warranty shall apply to 1995 and later model year California small off-road engines (for other states, 1997 and later model year engines).
XII.
