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                        4-Cycle 
Engine
OPERATOR’S MANUAL
Horizontal Crankshaft • Air-Cooled
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your engine model, spec 
LH195SA/LH195SP (HSSK40-55)
and DOM numbers here.
LH318SA/LH358SA (HMSK80-110)
ENGINE
OH195SA/OH195SP (OHSK50-75) MODEL:
SPEC:
OH318SA/OH358SA (OHSK80-130)
DOM:
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                        Table of Contents  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...........................................................
                    
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                        • NEVER fill fuel tank indoors. Fill fuel tank outdoors  I. General Safety Precautions in a well-ventilated area. • DO NOT smoke while refueling tank. ! 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 
                    
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                        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. Consult your local Authorized TecumsehPowe
                    
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                        LOGON! II. How to Get Service 2083 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 TecumsehPower Company at 1-800-558-5402 for  THIS ENGINE MEETS 1995-2005 CALIF & US EPA  additional information. PHI APPLICABLE EMISSION REGULATIONS FOR SI  SORE ENGINES EM LV195EA 361540D 04015AA0001 Visitourwebsiteatwww.TecumsehPower.c
                    
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                        III. Oil and Fuel Specifications Table 1. Recommended Oil A. Oil To operate your engine you need to use a clean, high  TecumsehPowerRecommendedOilUsage quality, detergent oil. For recommended engine oil, see  StraightGrade Table 1. In addition, you need to be sure the oil sump  TecumsehPowerPartNo. contains the correct amount of oil to operate properly. For  730225AorSAE30W recommended oil sump capacity, see Table 2. MultiGrade TecumsehPowerPartNo. 730226AorSAE5W30orSAE10W  NOTES TecumsehPower B
                    
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                        B. Filling Oil Sump OH318SA/OH358SA OH195SA/OH195SP I. 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. Unscrew oil fill cap/dipstick from oil filler tube and wipe  dipstick clean. See Figures 8 and 9. 3. Screw oil fill cap/dipstick back into oil filler tube. Tighten  securely. 4. Unscrew and remove oil fill cap/dipstic
                    
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                        STOP C. Check the Following Items  NOTE Be sure equipment is in neutral before attempting to start  (see equipment manufacturer’s instructions). 1. Be sure ignition switch on engine or equipment is in  “ON”, “RUN” or “START” position. See Figures 10, 11  and 12. Or Insert ignition key, if present (see equipment Figure 10. Ignition Key manufacturer’s instructions) into ignition key slot in  carburetor cover. DO NOT turn ignition key. Be sure  ignition key snaps into place. See Figures 10 and 11. 
                    
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                        6 7 8 9 6 8 7 9 10 12 10 5 5 13 12 4 13 3 3 1 2 1 4 2 OH318SA/OH358SA OH195SA/OH195SP 10 6 8 7 9 6 8 7 9 10 11 11 12 5 5 12 4 3 3 13 4 13 1 1 2 2 LH195SA/LH195SP LH318SA/LH358SA Figure 14. 4-Cycle Snow Engine Components 181-1275-14 4-Cycle • Snow King Engine Page 7                                                                                                                                                                                                                                           
                    
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                        E. Filling Fuel Tank An adult should fuel this engine.  Front View WARNING 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. Bottom View 2. Be sure engine is outdoors and in a well-ventilated  area. 3. Clean area around fuel fill 
                    
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                        V. Starting Your Engine To avoid serious injury or death, an  WARNING STOP adult should start this engine. Only  allow children to start engine if an adult has determined  STOP SLOW RUN FAST CHOKE PRIMER they are experienced and capable of such operation. If you are unable to start this engine  WARNING after following instructions in this Figure 18. Typical Engine Symbols manual, contact your Authorized TecumsehPower  Servicing Dealer. To avoid serious burn injuries or damage  to your engine, DO
                    
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                        A. Engines with Electric Starters If you have a recoil starter, see “B. Engines with Recoil  Fuel Tank Starters” instructions on page 13. Some electric starters are equipped  WARNING Turn Valve  with a 120V AC Three-Wire Power  Clockwise To  Cord and Plug designed to operate on a 120V AC  “OFF” Position household current. It must be properly grounded at all  times to avoid the possibility of injury or death from  Fuel Valve “OPEN”  electrical shock.  Position Shown a. Determine if your house wir
                    
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                        5. Move engine speed control to “FAST” position.  See Figures 21 and 22. 6. Set choke control to “FULL CHOKE” position (see  STOP equipment manufacturer’s instructions). See Figure 24  on page 12. Afterward, continue reading instructions  STOP SLOW RUN FAST CHOKE PRIMER below. 7. Hold the primer bulb in for one full second each time  Figure 21. Typical Engine Symbols you press it. See Figure 23. • Make sure you cover vent hole with your thumb. • Repeat twice for a total of three primes.  1. Engi
                    
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                        STOP STOP STOP 1 LH195SA/LH195SP 2 3 1 STOP 2 3 STOP OH318SA/OH358SA STOP 1 2 STOP 3 OH195SA/OH195SP 1 STOP STOP 2 STOP 3 STOP STOP LH318SA/LH358SA 1. “NO CHOKE” Position 2. “1/2 CHOKE” Position 3. “FULL CHOKE” Position Figure 24. Choke Control Positions Page 12 4-Cycle • Snow King Engine 181-1275-14 STOP STOP STOP                                                                                                                                                                                        
                    
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                        B. Engines with Recoil Starters If you have an electric starter, see “A. Engines with Electric  Fuel Tank Starters” instructions on page 10. DO NOT pull starter rope with engine  CAUTION Turn Valve  running. Doing so may VOID YOUR  Clockwise To  WARRANTY. “OFF” Position 1. To avoid carbon monoxide poisoning, be sure engine is  outdoors in a well-ventilated area. Fuel Valve “OPEN”  Position Shown 2. Be sure fuel valve, if present (see equipment manufac- turer’s instructions) is open and all switc
                    
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                        When pulling starter rope, the rope  WARNING can unexpectedly jerk back toward  engine causing serious injury. To avoid this risk, carefully  follow these instructions: 7. Grasp starter cord handle. See Figure 29. a. Pull rope out slowly until you feel drag. b. Without allowing the rope to retract, continue pulling  rope with one rapid full arm stroke. c. Return rope slowly to original position.  NOTES Following the instructions listed in the steps above avoids  potential damage to the recoil me
                    
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                        STOP 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. Failure to do so may lead to serious injury or  Figure 30. Ignition Key death. NEVER store engine with fuel in the  WARNING fuel tank inside a building with  potential sources of
                    
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                        B. After Engine is Stopped To prevent possible freeze-up of engine  CAUTION controls, follow instructions with engine 5 STOPPED, listed below. 1. Wipe all snow and moisture from engine control lever  4 and choke areas. 2. Move equipment control, if present (see manufacturer’s  instructions), engine control lever or ignition switch  3 back and forth several times and leave control in  “STOP” or “OFF” position. See Figure 33. STOP 3. Move engine choke back and forth several times and 2 1 leave in 
                    
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                        VII. Maintenance To avoid serious injury or death, an  WARNING 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. To prevent accidental starting when  WARNING working on equipment, always: • Carefully disconnect spark plug wire and keep it  away from spark plug. See Figures 35 and 36. • Keep the disconnected spark plug wire  securely away from metal parts where arcing Figure
                    
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                        I. 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 on page 20. 1. Carefully disconnect spark plug wire and keep it away  from spark plug. See Figures 38 and 39. See “G. Avoid  Accidental Starts” instructions on page 2. Afterward,  continue reading instructions below. • Keep the disconnected spark plug wire  securely away from metal parts where arcing  Figure 38. Disco