Table of Contents
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Operator's Manual
OH318EA (OHM90-110)
Four-Cycle Engine • Horizontal Crankshaft • Air-Cooled
Table of Contents
IMPORTANT NOTICE! Safety Definitions ...................................... ii
I. General Safety Precautions ............................................................ 1
II. How to Get Service ......................................................................... 3
III. Oil and Fuel Specifications ............................................................. 4
IV. Before Starting Your Engine ............................................................ 4
V. Starting Your Engine ....................................................................... 7
VI. Stopping Your Engine and Short-Term Storage ............................ 12
VII. Maintenance ................................................................................. 12
VIII. Transporting Your Engine ............................................................. 16
IX. Storing Your Engine ...................................................................... 17
X. Preventing Forest, Brush and Grass Fires ................................... 18
XI. Maintenance Intervals.................................................................... 19
Emission Control System Warranty .............................................. 21
XII. Warranty Information .....................................................................22
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181-719-14
(English) 6/01/08
Small Engine Pats
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Table of Contents
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Summary of Contents for TecumsehPower OH318EA
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Page 1: Table Of Contents
California & US EPA Emission Control Warranty Statement ..20 Emission Control System Warranty ..........21 XII. Warranty Information ..............22 www.TecumsehPower.com Visit our web site at Register Your TecumsehPower Engine Maintenance Tips On-Line Store Locate your nearest TecumsehPower Servicing Dealer 181-719-14 (English) 6/01/08 Small Engine Pats... - Page 2 The trademarks TECUMSEH® and the DESIGN (Native American Head logo) are registered trademarks of Tecumseh Products Company and are used by TecumsehPower Company under license from Tecumseh Products Company. TecumsehPower Company is no longer owned by Tecumseh Products Company nor is it associated or affiliated in any way with Tecumseh Products Company.
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Page 3: General Safety Precautions
WARNING • Use only an approved red GASOLINE container Read equipment manufacturer’s manual and this to store and dispense fuel. TecumsehPower material thoroughly before using this engine. Failure to Company recommends purchasing gasoline in do so can result in serious injury or death. Consult your containers with a capacity of 2.5 gallons or less. - Page 4 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. Consult your local Authorized TecumsehPower Servicing Dealer, call 1-800-558-5402, Figure 1.
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Page 5: How To Get Service
For engine adjustments, repairs or warranty service 2083 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 TecumsehPower Company at 1-800-558-5402 for THIS ENGINE MEETS 1995-2005 CALIF & US EPA additional information. -
Page 6: Oil And Fuel Specifications
TecumsehPower Part No. 730226A or SAE 5W30 or SAE 10W TecumsehPower NOTES Synthetic Part No. The oil sump capacity for OH318EA models is 26 ounces 730263 or SAE 0W30 or 1-5/8 U.S. Pints (.78 liters). -20 F 20 F 32 F... - Page 7 B. Filling Oil Sump Oil Fill Cap/Dipstick If your engine has an oil fill cap/dipstick go to step 1. If your engine does NOT have an oil fill cap/dipstick, see "II. Oil Fill Cap/Plug" instructions below. 1. Be sure engine is upright and level. 2.
- Page 8 C. Engine Stop Switch Some engines are equipped with an optional Stop Switch. This rocker switch is used to shut off the ignition that supplies the spark plug with power. Pressing the "OFF" position will turn the engine off when it is running. This switch must be in the “ON”...
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Page 9: Starting Your Engine
NOTE Replace a damaged or missing fuel fill cap only with a genuine TecumsehPower replacement Fuel Fill Cap. Failure to do so may VOID YOUR WARRANTY. See Figure 12. 6. Be sure fuel valve, if present (see equipment manufac- turer’s instructions) is open. - Page 10 This section contains starting instructions for several different types of engines. In order to locate the instructions that apply to your engine, first determine what type of Fuel Tank starter you have. If you have an electric starter, see “A. Engines with Electric Starters”...
- Page 11 2. “1/2 CHOKE” Position 10. If engine does not start after following steps 1 thru 9, 3. “FULL CHOKE” Position contact your Authorized TecumsehPower Servicing Dealer. DO NOT attempt to start or troubleshoot this engine in any other way. Figure 19. Remote Choke Control Positions 1.
- Page 12 B. Engines with Recoil Starters 1. To avoid carbon monoxide poisoning, be sure engine is outdoors in a well-ventilated area. 2. Be sure fuel valve, if present (see equipment manufac- turer’s instructions) is open and all switches are on. 3. Move engine speed control to ”FAST” position. See Figures 21 thru 23 4.
- Page 13 CHOKE” position, move choke control to “FULL CHOKE” position and start engine. 9. If engine does not start after following steps 1 thru 8, contact your Authorized TecumsehPower Servicing Dealer. DO NOT attempt to start or troubleshoot this engine in any other way.
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Page 14: Stopping Your Engine And Short-Term Storage
VI. Stopping Your Engine and Short-Term Storage Stop engine according to equipment manufacturer’s instructions. To avoid unsupervised operation of WARNING 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. - Page 15 A. Checking and Changing Oil To avoid engine damage, it is important to: • Check oil level before each use and every 5 operating hours when engine is warm. See "A. Checking Oil Level" instructions on page 4. Afterward, continue reading instructions below. •...
- Page 16 Figure 31. Debris Removal Areas NOTE A resistor spark plug must be used for replacement. Contact your Authorized TecumsehPower Servicing Dealer for a genuine replacement Resistor Spark Plug. D. Cleaning/Replacing Air Cleaner Your engine has an air cleaner which helps prevent premature engine wear and failure.
- Page 17 III. Removal and Installation of OH318EA Air Filters 1. Remove wing nuts and air cleaner cover. See Figure 33. 2. Remove foam filter from paper filter. 3. Remove paper filter from base. 4. Inspect filters for discoloration or dirt accumulation.
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Page 18: Transporting Your Engine
If you think your carburetor needs adjusting, see your for emptying the fuel tank before transporting: nearest Authorized TecumsehPower Servicing Dealer. 1. Empty fuel tank by using a commercially available Engine performance should not be affected at altitudes up suction device designed for use with gasoline. -
Page 19: Storing Your Engine
If you operate the engine during all four seasons, it is not system in the following method below: necessary to lubricate the cylinder bore. NOTES TecumsehPower Company recommends using ULTRA-FRESH™ Gasoline Stabilizer as an acceptable method of minimizing formation of fuel gum deposits during storage. -
Page 20: Preventing Forest, Brush And Grass Fires
If your engine does NOT have a spark arrester, you may purchase one from your Authorized TecumsehPower Servicing Dealer. In some cases the muffler may need to be replaced to allow the spark arrester to be installed. -
Page 21: Maintenance Intervals
Every 25 Hours or 3 Months 1. Clean Foam Pre-Filter Maintenance is one of the most important things that Date_______________Owner/Dealer you can do to extend the life of your TecumsehPower Date_______________Owner/Dealer engine. If you are unable to perform maintenance intervals Date_______________Owner/Dealer yourself, contact your nearest Authorized TecumsehPower Servicing Dealer. -
Page 22: California & Us Epa Emission Control Warranty Statement
ECS Warranty and the TecumsehPower Company War- on your engine is defective in materials or workmanship, ranty describe important rights and obligations with the part will be repaired or replaced by TecumsehPower respect to your new engine. Company. Warranty service can only be performed by a TecumsehPower OWNER’S WARRANTY RESPONSIBILITIES... -
Page 23: Emission Control System Warranty
California small off-road engines (for other states, 1997 and later model year engines). The ECS Warranty 6. TecumsehPower Company shall be liable for damages to Period shall begin on the date the new engine or equipment is other... -
Page 24: Warranty Information
(ii) defects or damage caused by alterations or modifications of new TecumsehPower engines or parts or by normal wear, accidents, improper maintenance, improper use or abuse of the product, or failure to follow the instructions contained in an Instruction Manual for the operation of the new TecumsehPower engine or part.
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