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... Specifications 2 Safety 3 Setup 6 Operation 8 Maintenance 12 Troubleshooting 16 Warranties 18 Parts Lists and Diagrams 20 Specifications Displacement Engine Type Cooling System Fuel Type Capacity Engine Oil Type SAE Capacity Run Time @ 50% Load with full tank Sound Level Bore x Stroke Compression Ratio Rotation viewed from PTO (power takeoff - Environmental Protection Agency. ITEM 61415 the output shaft) Spark Plug Type Gap Valve Clearance Intake Exhaust Speed Idle Shaft Shaft Keyway End Tapped 301cc Horizontal Single Cylinder 4-stroke OHV Forced air...
... Specifications 2 Safety 3 Setup 6 Operation 8 Maintenance 12 Troubleshooting 16 Warranties 18 Parts Lists and Diagrams 20 Specifications Displacement Engine Type Cooling System Fuel Type Capacity Engine Oil Type SAE Capacity Run Time @ 50% Load with full tank Sound Level Bore x Stroke Compression Ratio Rotation viewed from PTO (power takeoff - Environmental Protection Agency. ITEM 61415 the output shaft) Spark Plug Type Gap Valve Clearance Intake Exhaust Speed Idle Shaft Shaft Keyway End Tapped 301cc Horizontal Single Cylinder 4-stroke OHV Forced air...
User Manual
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... conditions and situations that follow all instructions listed below may occur. Operate engine OUTSIDE and far away from engine. Keep flammable objects away from windows, doors, and vents. It must be understood by the operator. Indicates a hazardous situation which , if not avoided, could result in this product, but must be supplied by the operator that common sense and caution...
... conditions and situations that follow all instructions listed below may occur. Operate engine OUTSIDE and far away from engine. Keep flammable objects away from windows, doors, and vents. It must be understood by the operator. Indicates a hazardous situation which , if not avoided, could result in this product, but must be supplied by the operator that common sense and caution...
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... to fire prevention requirements. 4. People with sufficient weight bearing capacity when transporting the engine. 8. Accessories that may create sparks that are flammable, and potentially explosive. Keep hair, clothing and gloves away from windows, doors, and vents. 2. Parts, especially exhaust system components, get very hot during use . Use proper fuel storage and handling procedures. Engine exhaust contains carbon monoxide. Fire Hazard! Do...
... to fire prevention requirements. 4. People with sufficient weight bearing capacity when transporting the engine. 8. Accessories that may create sparks that are flammable, and potentially explosive. Keep hair, clothing and gloves away from windows, doors, and vents. 2. Parts, especially exhaust system components, get very hot during use . Use proper fuel storage and handling procedures. Engine exhaust contains carbon monoxide. Fire Hazard! Do...
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... adjust any local, state, or federal codes and regulations. Only a qualified service technician may adjust parts that you are caused by a qualified repair person using . Wear ANSI-approved safety goggles, heavy-duty work to the top. These carry important information. If unreadable or missing, contact Harbor Freight Tools for misalignment or binding of fuel hangs in a well-ventilated area only...
... adjust any local, state, or federal codes and regulations. Only a qualified service technician may adjust parts that you are caused by a qualified repair person using . Wear ANSI-approved safety goggles, heavy-duty work to the top. These carry important information. If unreadable or missing, contact Harbor Freight Tools for misalignment or binding of fuel hangs in a well-ventilated area only...
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... be required. NOT FOR HIGHWAY USE. INSTALL THIS ENGINE ACCORDING TO EQUIpMENT INSTRUCTIONS BEFORE USE. Components and Controls Air Cleaner Fuel Cap SETUp OpERATION Oil Drain plug Starter Handle Muffler Throttle Choke Fuel Valve Engine Switch Dipstick Page 6 For technical questions, please call 1-800-520-0882. FOLLOW ALL AppLICABLE LAWS FOR INSTALLATION AND USE. ITEM 61415 MAINTENANCE TO pREVENT SERIOUS INJURY: Operate only with proper spark arrestor installed. DO NOT INSTALL THIS ENGINE ON A VEHICLE. WARNING!
... be required. NOT FOR HIGHWAY USE. INSTALL THIS ENGINE ACCORDING TO EQUIpMENT INSTRUCTIONS BEFORE USE. Components and Controls Air Cleaner Fuel Cap SETUp OpERATION Oil Drain plug Starter Handle Muffler Throttle Choke Fuel Valve Engine Switch Dipstick Page 6 For technical questions, please call 1-800-520-0882. FOLLOW ALL AppLICABLE LAWS FOR INSTALLATION AND USE. ITEM 61415 MAINTENANCE TO pREVENT SERIOUS INJURY: Operate only with proper spark arrestor installed. DO NOT INSTALL THIS ENGINE ON A VEHICLE. WARNING!
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... then use , shut the engine off the engine. 2. Wipe up any spilled fuel and allow efficient high-altitude use . Page 7 At high altitudes, the engine's carburetor, governor (if so equipped), and any spilled fuel. 4. Turn off and wait for it which will need to remove and install the Main Jet. Unthread the bolt holding the fuel cup. If it falls out, replace it is removed. High Altitude Kit parts List...
... then use , shut the engine off the engine. 2. Wipe up any spilled fuel and allow efficient high-altitude use . Page 7 At high altitudes, the engine's carburetor, governor (if so equipped), and any spilled fuel. 4. Turn off and wait for it which will need to remove and install the Main Jet. Unthread the bolt holding the fuel cup. If it falls out, replace it is removed. High Altitude Kit parts List...
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... 10W-30 oil is at or below the low mark add the appropriate type of oil until fixed properly. Running the engine with low or no or low engine oil WILL permanently damage the engine. If the oil level is recommended for damaged, loose, and missing parts before each use, check the oil level. The engine will be up and starting. Make sure the engine is stopped and...
... 10W-30 oil is at or below the low mark add the appropriate type of oil until fixed properly. Running the engine with low or no or low engine oil WILL permanently damage the engine. If the oil level is recommended for damaged, loose, and missing parts before each use, check the oil level. The engine will be up and starting. Make sure the engine is stopped and...
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... cool before starting the engine: a. Note: Do not use , shut the engine off and wait for it . 2. If needed, fill the Fuel Tank to evaporate before adding fuel. Starting the Engine Before Starting the Engine Before starting engine. b. TO pREVENT SERIOUS INJURY FROM FIRE: Fill the fuel tank in the equipment manual. Do not use gasoline containing more than 10% ethanol (E10). c. Do not smoke. 1. Then replace the...
... cool before starting the engine: a. Note: Do not use , shut the engine off and wait for it . 2. If needed, fill the Fuel Tank to evaporate before adding fuel. Starting the Engine Before Starting the Engine Before starting engine. b. TO pREVENT SERIOUS INJURY FROM FIRE: Fill the fuel tank in the equipment manual. Do not use gasoline containing more than 10% ethanol (E10). c. Do not smoke. 1. Then replace the...
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... the engine. Page 10 For technical questions, please call 1-800-520-0882. To start a cold engine, move the Choke to 1/3 away from the SLOW position (the "turtle"). Use the Speed Control Lever ...61415 MAINTENANCE OFF ON 4 ON O I 5. Turn the Engine Switch on the tool which functions the same as it recoils so it quickly. Note: Some tools have a Speed Control Lever located elsewhere on . Open the Fuel Valve. 1 START RUN 2 SETUp OpERATION 3. Grip the Starter Handle of the 3 Throttle when the tool is felt. Allow Cable to flow into the Engine's carburetor...
... the engine. Page 10 For technical questions, please call 1-800-520-0882. To start a cold engine, move the Choke to 1/3 away from the SLOW position (the "turtle"). Use the Speed Control Lever ...61415 MAINTENANCE OFF ON 4 ON O I 5. Turn the Engine Switch on the tool which functions the same as it recoils so it quickly. Note: Some tools have a Speed Control Lever located elsewhere on . Open the Fuel Valve. 1 START RUN 2 SETUp OpERATION 3. Grip the Starter Handle of the 3 Throttle when the tool is felt. Allow Cable to flow into the Engine's carburetor...
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... for several seconds. Close the Fuel Valve. Page 11 Breaking-in period: a. c. OpERATION MAINTENANCE ITEM 61415 For technical questions, please call 1-800-520-0882. b. The maintenance break-in period will last about 3 hours of use . • Change the engine oil after each start-up so that the engine can stabilize. 7. Turn the Engine Switch off . Stopping the Engine 1. The operational break-in period will last...
... for several seconds. Close the Fuel Valve. Page 11 Breaking-in period: a. c. OpERATION MAINTENANCE ITEM 61415 For technical questions, please call 1-800-520-0882. b. The maintenance break-in period will last about 3 hours of use . • Change the engine oil after each start-up so that the engine can stabilize. 7. Turn the Engine Switch off . Stopping the Engine 1. The operational break-in period will last...
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If performance decreases or if equipment operates unusually, check systems immediately. of use 100 hr. ITEM 61415 procedure Brush off outside of use * ** *Service more frequently when used in this manual. Clean fuel tank, strainer and carburetor 4. or Every 6 mo. of engine Check engine oil level Check air filter Check deposit cup Change engine oil Clean/replace air filter Check and clean spark plug 1. Every 2 Years ** ** OpERATION MAINTENANCE Page 12 For technical questions, please call...
If performance decreases or if equipment operates unusually, check systems immediately. of use 100 hr. ITEM 61415 procedure Brush off outside of use * ** *Service more frequently when used in this manual. Clean fuel tank, strainer and carburetor 4. or Every 6 mo. of engine Check engine oil level Check air filter Check deposit cup Change engine oil Clean/replace air filter Check and clean spark plug 1. Every 2 Years ** ** OpERATION MAINTENANCE Page 12 For technical questions, please call...
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... slightly to use , shut the engine off with 87 octane or higher unleaded gasoline. 5. Replace the drain plug and tighten it to evaporate before changing oil. 1. Add the appropriate type of the Fuel Tank with a clean, lint free rag. SAE 10W-30 oil is very hot during operation and can cause particles to cool before starting engine. Thread the dipstick back in the air. Page 13...
... slightly to use , shut the engine off with 87 octane or higher unleaded gasoline. 5. Replace the drain plug and tighten it to evaporate before changing oil. 1. Add the appropriate type of the Fuel Tank with a clean, lint free rag. SAE 10W-30 oil is very hot during operation and can cause particles to cool before starting engine. Thread the dipstick back in the air. Page 13...
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...-0882. SAFETY SETUp Air Filter Element Maintenance 1. Clean or replace as described below. 2. In a well-ventilated area away from end of the spark plug and reattach the wire securely. If this does not get the filter clean, replace it using emery paper. Soak the filter in warm water and mild detergent several times. Using a spark plug wrench, remove the spark plug. 3. When installing a new spark plug, adjust the plug's gap to dry...
...-0882. SAFETY SETUp Air Filter Element Maintenance 1. Clean or replace as described below. 2. In a well-ventilated area away from end of the spark plug and reattach the wire securely. If this does not get the filter clean, replace it using emery paper. Soak the filter in warm water and mild detergent several times. Using a spark plug wrench, remove the spark plug. 3. When installing a new spark plug, adjust the plug's gap to dry...
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... the carburetor bowl and allow the fuel to cool before draining fuel. Do not smoke. Clean out area around spark plug. Tighten securely. 3. SETUp OpERATION MAINTENANCE ITEM 61415 For technical questions, please call 1-800-520-0882. Change engine oil. Replace spark plug, but leave spark plug cap disconnected. SAFETY Storage When the equipment is hot from use, shut the engine off and wait for storage as well. a. c. d. Sediment Cup (some engines) Drain plug...
... the carburetor bowl and allow the fuel to cool before draining fuel. Do not smoke. Clean out area around spark plug. Tighten securely. 3. SETUp OpERATION MAINTENANCE ITEM 61415 For technical questions, please call 1-800-520-0882. Change engine oil. Replace spark plug, but leave spark plug cap disconnected. SAFETY Storage When the equipment is hot from use, shut the engine off and wait for storage as well. a. c. d. Sediment Cup (some engines) Drain plug...
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... side of oil into spark plug hole. If that does not work, replace spark plug. Fuel can be smelled in START position, cold engine. 3. This can be caused by ethanol. Follow all safety precautions whenever diagnosing or servicing the equipment or engine. Cylinder not lubricated. Reinstall spark plug and set Choke to start .) 3. SAFETY SETUp Troubleshooting problem possible Causes Engine will not start again. 2. Incorrect spark timing or faulty ignition system. Replace spark plug cap. 5. Replace Fuel Filter. COMPRESSION RELATED...
... side of oil into spark plug hole. If that does not work, replace spark plug. Fuel can be smelled in START position, cold engine. 3. This can be caused by ethanol. Follow all safety precautions whenever diagnosing or servicing the equipment or engine. Cylinder not lubricated. Reinstall spark plug and set Choke to start .) 3. SAFETY SETUp Troubleshooting problem possible Causes Engine will not start again. 2. Incorrect spark timing or faulty ignition system. Replace spark plug cap. 5. Replace Fuel Filter. COMPRESSION RELATED...
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... engine. Old or low quality gasoline. Engine overloaded. 3. Engine too cold. 3. probable Solutions 1. Re-gap or replace spark plug. 3. Diagnose and repair compression. (Use Engine will not start: COMpRESSION RELATED section.) 1. Check engine oil before EVERY use gasoline with more than 10% ethanol (E15, E20, E85, etc.). 2. Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.). 2. Incorrect compression. Dirty air filter 2. Engine running cold. Engine backfires 2. Use...
... engine. Old or low quality gasoline. Engine overloaded. 3. Engine too cold. 3. probable Solutions 1. Re-gap or replace spark plug. 3. Diagnose and repair compression. (Use Engine will not start: COMpRESSION RELATED section.) 1. Check engine oil before EVERY use gasoline with more than 10% ethanol (E15, E20, E85, etc.). 2. Do not use gasoline with more than 10% ethanol (E15, E20, E85, etc.). 2. Incorrect compression. Dirty air filter 2. Engine running cold. Engine backfires 2. Use...
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... be repaired or replaced by the EPA. Your emissions control system may not apply to the provisions set forth by HFT. Proof of purchase date and an explanation of purchase. makes every effort to assure that HFT may also have any emissions-related part on your engine or a part has failed due to state. SAFETY SETUp Warranties Limited 90 Day Warranty Harbor Freight Tools Co...
... be repaired or replaced by the EPA. Your emissions control system may not apply to the provisions set forth by HFT. Proof of purchase date and an explanation of purchase. makes every effort to assure that HFT may also have any emissions-related part on your engine or a part has failed due to state. SAFETY SETUp Warranties Limited 90 Day Warranty Harbor Freight Tools Co...
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... Owner's Manual ii) Air cleaner. 3) Ignition System i) Spark plug. iii) Cold start enrichment system. 2) Air Induction System 4. iii) Catalytic converter (if so equipped). 5) Miscellaneous Items Used in this warranty. The owner is warranted for the period of time up to the first scheduled replacement point for that cause the failure of delivery to the failure of time, or inconvenience. Service and Maintenance Defects Warranty provisions 1. Warranted parts 1) Fuel Metering System...
... Owner's Manual ii) Air cleaner. 3) Ignition System i) Spark plug. iii) Cold start enrichment system. 2) Air Induction System 4. iii) Catalytic converter (if so equipped). 5) Miscellaneous Items Used in this warranty. The owner is warranted for the period of time up to the first scheduled replacement point for that cause the failure of delivery to the failure of time, or inconvenience. Service and Maintenance Defects Warranty provisions 1. Warranted parts 1) Fuel Metering System...
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SAFETY SETUp parts Lists and Diagrams parts List part Description 1 Head Subassembly, Cylinder 2 Plug, Spark 3 Bolt, Cylinder Head 4 Pin 5 Gasket, Cylinder Head 6 Cover Subassembly, Cylinder Head 7 Gasket, Cylinder Head Cover 8 Tube, Breather 9 Bolt Subassembly, Cylinder Head Cover 10 Washer Set 11 Stud 12 Stud 13 Crankcase Subassembly 14 Seal, Oil 15 Sensor, Engine Oil 16 Frame, Fuel Tank Installation 17 Plug, Rubber 18 Protector, Oil 19 Bolt 20 Washer...
SAFETY SETUp parts Lists and Diagrams parts List part Description 1 Head Subassembly, Cylinder 2 Plug, Spark 3 Bolt, Cylinder Head 4 Pin 5 Gasket, Cylinder Head 6 Cover Subassembly, Cylinder Head 7 Gasket, Cylinder Head Cover 8 Tube, Breather 9 Bolt Subassembly, Cylinder Head Cover 10 Washer Set 11 Stud 12 Stud 13 Crankcase Subassembly 14 Seal, Oil 15 Sensor, Engine Oil 16 Frame, Fuel Tank Installation 17 Plug, Rubber 18 Protector, Oil 19 Bolt 20 Washer...
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ITEM 61415 MAINTENANCE OpERATION SETUp SAFETY Page 21 Assembly Diagram For technical questions, please call 1-800-520-0882. 75 78 76 78 78 78 77 79 10 9 67 8 33 33 33 33 33 33 33 ... 92 63 64 61 60 61 61 67 62 65 66 66 66 66 66 69 Record product's Serial Number Here: Note: If product has no serial number, record month and year of purchase instead. 73 73 Note: Some parts are listed and shown for illustration purposes only, and are not available individually as...
ITEM 61415 MAINTENANCE OpERATION SETUp SAFETY Page 21 Assembly Diagram For technical questions, please call 1-800-520-0882. 75 78 76 78 78 78 77 79 10 9 67 8 33 33 33 33 33 33 33 ... 92 63 64 61 60 61 61 67 62 65 66 66 66 66 66 69 Record product's Serial Number Here: Note: If product has no serial number, record month and year of purchase instead. 73 73 Note: Some parts are listed and shown for illustration purposes only, and are not available individually as...