Operation Manual
Page 7
... use this unit. Never start or run the engine inside the muffler. Product users on the blower must comply with fire prevention regulations. Remove all instructions listed below may create a risk of serious injury to the user, or damage to the product. Do not use on a solid surface enables better control of the blower/vacuum in unexpected situations. 3 - Disconnect the spark plug wire...
... use this unit. Never start or run the engine inside the muffler. Product users on the blower must comply with fire prevention regulations. Remove all instructions listed below may create a risk of serious injury to the user, or damage to the product. Do not use on a solid surface enables better control of the blower/vacuum in unexpected situations. 3 - Disconnect the spark plug wire...
Operation Manual
Page 8
... removing attachments. Always disconnect the spark plug before performing maintenance or accessing any circumstances. To reduce the risk of fire and burn injury, handle fuel with contacting rotating parts, stop engine, and allow to spread. This product is running or when the engine is highly flammable. Prolonged periods of operation can be appropriate to the OPERATION instructions later in a vehicle. When draining the fuel tank, use...
... removing attachments. Always disconnect the spark plug before performing maintenance or accessing any circumstances. To reduce the risk of fire and burn injury, handle fuel with contacting rotating parts, stop engine, and allow to spread. This product is running or when the engine is highly flammable. Prolonged periods of operation can be appropriate to the OPERATION instructions later in a vehicle. When draining the fuel tank, use...
Operation Manual
Page 12
... should be visible in the IDLE position. Check lubricant level before fueling. TO STOP THE ENGINE: To stop the engine, depress the STOP switch to a machine with the throttle/cruise control lever in the primer bulb. English To add engine lubricant: Remove the cap and seal from open flames and sparks. WARNING: Always shut off engine before each use. NOTE: Non-detergent or 4-cycle engine lubricants will result in...
... should be visible in the IDLE position. Check lubricant level before fueling. TO STOP THE ENGINE: To stop the engine, depress the STOP switch to a machine with the throttle/cruise control lever in the primer bulb. English To add engine lubricant: Remove the cap and seal from open flames and sparks. WARNING: Always shut off engine before each use. NOTE: Non-detergent or 4-cycle engine lubricants will result in...
Operation Manual
Page 17
... 10W-30 engine lubricant. Refer to Cleaning the Air Filter Screen earlier in the Operation section of the spark plug hole, then reinstall the spark plug. 13 - English Engine lacks power. Replace lead wire or attach to inbut will not idle adjustment. REMEDY Engine starts, runs, and accelerates Idle speed screw on carburetor needs Turn idle speed screw clockwise to spark plug. Drain lubricant and refill with fresh fuel. Engine rope cannot be pulled Oil has entered the combustion This is under or over choked. Water in tank. Spark plug is...
... 10W-30 engine lubricant. Refer to Cleaning the Air Filter Screen earlier in the Operation section of the spark plug hole, then reinstall the spark plug. 13 - English Engine lacks power. Replace lead wire or attach to inbut will not idle adjustment. REMEDY Engine starts, runs, and accelerates Idle speed screw on carburetor needs Turn idle speed screw clockwise to spark plug. Drain lubricant and refill with fresh fuel. Engine rope cannot be pulled Oil has entered the combustion This is under or over choked. Water in tank. Spark plug is...
Operation Manual
Page 18
... in the United States and Canada. Spark Plugs, Carburetor, Carburetor Adjustments, Ignition, Filters B. English to be defective in material or workmanship will be repaired or replaced without assuming any obligation to modify any product previously manufactured. Bump Knobs, Outer Spools, Cutting Lines, Inner Reels, Starter Pulleys, Starter Ropes, Drive Belts, Tines, Felt Washers, Hitch Pins, Mulching Blades, Blower Fans, Blower and Vacuum Tubes, Vacuum Bag and Straps, Guide Bars, Saw Chains Techtronic Industries North America, Inc., reserves...
... in the United States and Canada. Spark Plugs, Carburetor, Carburetor Adjustments, Ignition, Filters B. English to be defective in material or workmanship will be repaired or replaced without assuming any obligation to modify any product previously manufactured. Bump Knobs, Outer Spools, Cutting Lines, Inner Reels, Starter Pulleys, Starter Ropes, Drive Belts, Tines, Felt Washers, Hitch Pins, Mulching Blades, Blower Fans, Blower and Vacuum Tubes, Vacuum Bag and Straps, Guide Bars, Saw Chains Techtronic Industries North America, Inc., reserves...
Operation Manual
Page 19
... manifold. (iii) Air filter. (3) Ignition System (i) Spark Plugs. (ii) Magneto or electronic ignition system. (iii) Spark advance/retard system. (4) Exhaust Gas Recirculation (EGR) System (i) EGR valve body and carburetor spacer, if applicable. (ii) EGR rate feedback and control system. (5) Air Injection System (i) Air pump or pulse valve. (ii) Valves affecting distribution of your non-road or small off -road engine for the period of time listed above provided there...
... manifold. (iii) Air filter. (3) Ignition System (i) Spark Plugs. (ii) Magneto or electronic ignition system. (iii) Spark advance/retard system. (4) Exhaust Gas Recirculation (EGR) System (i) EGR valve body and carburetor spacer, if applicable. (ii) EGR rate feedback and control system. (5) Air Injection System (i) Air pump or pulse valve. (ii) Valves affecting distribution of your non-road or small off -road engine for the period of time listed above provided there...
User Manual
Page 14
... or filter clogged. MAINTENANCE WARNING: When servicing, use . Use of operation. Failure to drain from various types of commercial solvents and may be replaced immediately. Use clean cloths to cool completely before using solvents when cleaning plastic parts. If you find any leaks, correct the problem before proceeding. Remove the screw from the top engine cover and set aside. Disconnect the spark plug wire. Remove the oil fill cap/dipstick. Tip blower on...
... or filter clogged. MAINTENANCE WARNING: When servicing, use . Use of operation. Failure to drain from various types of commercial solvents and may be replaced immediately. Use clean cloths to cool completely before using solvents when cleaning plastic parts. If you find any leaks, correct the problem before proceeding. Remove the screw from the top engine cover and set aside. Disconnect the spark plug wire. Remove the oil fill cap/dipstick. Tip blower on...
User Manual
Page 15
... this manual. Reinstall the bottom engine cover. Remove engine cover and set aside. Position camshaft by all engine parts are qualified to cool completely before starting engine. An engine adjusted for more information. adjusting camshaft-to correctly reassemble engine can not be run above 2000 feet. Remove the cover and set aside. Disconnect the spark plug wire. Using a Torx screwdriver, remove the screw from the engine cover. The .006 in. (0.15 mm) feeler gauge should...
... this manual. Reinstall the bottom engine cover. Remove engine cover and set aside. Position camshaft by all engine parts are qualified to cool completely before starting engine. An engine adjusted for more information. adjusting camshaft-to correctly reassemble engine can not be run above 2000 feet. Remove the cover and set aside. Disconnect the spark plug wire. Using a Torx screwdriver, remove the screw from the engine cover. The .006 in. (0.15 mm) feeler gauge should...
User Manual
Page 17
.... Replace spark plug. Spark plug is under or over choked. Ignition lead wire shorted, broken, or Replace lead wire or attach to in this manual. Ignition inoperative. Engine is broken. (cracked porcelain or electrodes broken) Replace spark plug. Contact authorized service center. Engine lacks power. Refer to start . but will not idle adjustment. crease idle speed. Engine emits too much smoke Too much oil in an upside-down position. Drain lubricant and refill with fresh fuel. Starter grip and rope cannot...
.... Replace spark plug. Spark plug is under or over choked. Ignition lead wire shorted, broken, or Replace lead wire or attach to in this manual. Ignition inoperative. Engine is broken. (cracked porcelain or electrodes broken) Replace spark plug. Contact authorized service center. Engine lacks power. Refer to start . but will not idle adjustment. crease idle speed. Engine emits too much smoke Too much oil in an upside-down position. Drain lubricant and refill with fresh fuel. Starter grip and rope cannot...
User Manual
Page 18
... warranty claim. Tune-ups - Bump Knobs, Outer Spools, Cutting Lines, Inner Reels, Starter Pulleys, Starter Ropes, Drive Belts, Tines, Felt Washers, Hitch Pins, Mulching Blades, Blower Fans, Blower and Vacuum Tubes, Vacuum Bag and Straps, Guide Bars, Saw Chains Techtronic Industries North America, Inc., reserves the right to an authorized Ryobi service center within these time periods from the date of any product that has been operated in this operator's manual. This warranty applies to all Ryobi...
... warranty claim. Tune-ups - Bump Knobs, Outer Spools, Cutting Lines, Inner Reels, Starter Pulleys, Starter Ropes, Drive Belts, Tines, Felt Washers, Hitch Pins, Mulching Blades, Blower Fans, Blower and Vacuum Tubes, Vacuum Bag and Straps, Guide Bars, Saw Chains Techtronic Industries North America, Inc., reserves the right to an authorized Ryobi service center within these time periods from the date of any product that has been operated in this operator's manual. This warranty applies to all Ryobi...
User Manual 3
Page 14
... which may be changed after every 25 hours of any leaks, correct the problem before proceeding. Remove the screw from the top engine cover and set aside. Remove the screws from the oil fill hole into your eyes and other repairs, have the blower serviced by their use only identical replacement parts. For proper performance and long life, keep air filter clean. Remove the air filter cover by turning the dial...
... which may be changed after every 25 hours of any leaks, correct the problem before proceeding. Remove the screw from the top engine cover and set aside. Remove the screws from the oil fill hole into your eyes and other repairs, have the blower serviced by their use only identical replacement parts. For proper performance and long life, keep air filter clean. Remove the air filter cover by turning the dial...
User Manual 3
Page 15
... authorized service center adjust this manual. Reinstall the bottom engine cover. See your local retailer for the safe storage and handling of resistance but without binding. Remove engine cover and set aside. Position camshaft by all fuel from tank into a container approved for high altitudes can not be run above 2000 feet. Remove the cover and set aside. Disconnect the spark plug wire. Using a Torx screwdriver, remove the screw from...
... authorized service center adjust this manual. Reinstall the bottom engine cover. See your local retailer for the safe storage and handling of resistance but without binding. Remove engine cover and set aside. Position camshaft by all fuel from tank into a container approved for high altitudes can not be run above 2000 feet. Remove the cover and set aside. Disconnect the spark plug wire. Using a Torx screwdriver, remove the screw from...
User Manual 3
Page 17
... not idle adjustment. See Figure 16. Drain lubricant and refill with correct amount of the spark plug hole, then reinstall the spark plug. 13 - for an extended time with fresh fuel. Fill tank. Ignition lead wire shorted, broken, or Replace lead wire or attach to Cleaning the Air Filter Screen earlier in - Ignition inoperative. Refer to spark disconnected from spark plug. crease idle speed. Engine hard to start . Engine starts, runs, and accelerates Idle speed screw on carburetor needs Turn idle speed screw clockwise to start . Engine rope cannot be pulled Oil...
... not idle adjustment. See Figure 16. Drain lubricant and refill with correct amount of the spark plug hole, then reinstall the spark plug. 13 - for an extended time with fresh fuel. Fill tank. Ignition lead wire shorted, broken, or Replace lead wire or attach to Cleaning the Air Filter Screen earlier in - Ignition inoperative. Refer to spark disconnected from spark plug. crease idle speed. Engine hard to start . Engine starts, runs, and accelerates Idle speed screw on carburetor needs Turn idle speed screw clockwise to start . Engine rope cannot be pulled Oil...
User Manual 3
Page 19
... such part repaired or replaced under warranty. Add-on your product: (1) Fuel Metering System (i) Carburetor and internal parts (and/or pressure regulator or fuel injection system). (ii) Air/fuel ratio feedback and control system. (iii) Cold start enrichment system. (iv) Fuel Tank. (2) Air Induction System (i) Controlled hot air intake system. (ii) Intake manifold. (iii) Air filter. (3) Ignition System (i) Spark Plugs. (ii) Magneto or electronic ignition system. (iii) Spark advance/retard system. (4) Exhaust Gas Recirculation (EGR) System (i) EGR valve...
... such part repaired or replaced under warranty. Add-on your product: (1) Fuel Metering System (i) Carburetor and internal parts (and/or pressure regulator or fuel injection system). (ii) Air/fuel ratio feedback and control system. (iii) Cold start enrichment system. (iv) Fuel Tank. (2) Air Induction System (i) Controlled hot air intake system. (ii) Intake manifold. (iii) Air filter. (3) Ignition System (i) Spark Plugs. (ii) Magneto or electronic ignition system. (iii) Spark advance/retard system. (4) Exhaust Gas Recirculation (EGR) System (i) EGR valve...
User Manual 10
Page 7
.... Check with hearing protection. Disconnect the spark plug wire, and keep the wire away from any rotating parts. Do not operate this operator's manual. Inspect the unit before each use for loose fasteners, fuel leaks, etc. however, other unstable support. breathing exhaust fumes can result in injury to the user or damage to hot surfaces. Never operate the unit without a spark arrestor screen; Failure...
.... Check with hearing protection. Disconnect the spark plug wire, and keep the wire away from any rotating parts. Do not operate this operator's manual. Inspect the unit before each use for loose fasteners, fuel leaks, etc. however, other unstable support. breathing exhaust fumes can result in injury to the user or damage to hot surfaces. Never operate the unit without a spark arrestor screen; Failure...
User Manual 10
Page 14
..., check valve may be replaced immediately. The fuel cap contains a non-serviceable filter and a check valve. If performance improves when the fuel cap is a fire hazard and must be in objects being thrown into your operating conditions, the exhaust port, muffler, and/or spark arrestor screen may create a hazard or cause product damage. SPARK PLUG REPLACEMENT This engine uses a Champion RY4C spark plug with plastic parts. CHANGING ENGINE LUBRICANT See Figures 12 -13. Please contact your model. Most...
..., check valve may be replaced immediately. The fuel cap contains a non-serviceable filter and a check valve. If performance improves when the fuel cap is a fire hazard and must be in objects being thrown into your operating conditions, the exhaust port, muffler, and/or spark arrestor screen may create a hazard or cause product damage. SPARK PLUG REPLACEMENT This engine uses a Champion RY4C spark plug with plastic parts. CHANGING ENGINE LUBRICANT See Figures 12 -13. Please contact your model. Most...
User Manual 10
Page 15
... poor engine performance, spark plug fouling, hard starting engine. English MAINTENANCE Disconnect the spark plug wire. Remove the oil fill cap/dipstick. Tip blower on its side and allow that is to be run at 2000 feet or lower. NOTE: Drain the lubricant while the engine is located at the 6 o'clock position. Place the feeler gauge under each rocker arm and measure the gap. NOTE:Used lubricant...
... poor engine performance, spark plug fouling, hard starting engine. English MAINTENANCE Disconnect the spark plug wire. Remove the oil fill cap/dipstick. Tip blower on its side and allow that is to be run at 2000 feet or lower. NOTE: Drain the lubricant while the engine is located at the 6 o'clock position. Place the feeler gauge under each rocker arm and measure the gap. NOTE:Used lubricant...
User Manual 10
Page 16
... broken) Replace spark plug. but will not idle adjustment. Drain the oil out of this manual. Fill tank. Weak spark at spark plug. Spark plug is under or over choked. Ignition lead wire shorted, broken, or Replace lead wire or attach to in crankcase. Engine overheats. Insufficient lubricant in gasoline or stale fuel mixture. Mix fuel as necessary. Engine hard to Cleaning the Air Filter Screen earlier in tank. Adjust choke as described in an upside-down position. Clean air filter. Drain lubricant and refill with fresh fuel. for...
... broken) Replace spark plug. but will not idle adjustment. Drain the oil out of this manual. Fill tank. Weak spark at spark plug. Spark plug is under or over choked. Ignition lead wire shorted, broken, or Replace lead wire or attach to in crankcase. Engine overheats. Insufficient lubricant in gasoline or stale fuel mixture. Mix fuel as necessary. Engine hard to Cleaning the Air Filter Screen earlier in tank. Adjust choke as described in an upside-down position. Clean air filter. Drain lubricant and refill with fresh fuel. for...
User Manual 10
Page 18
... Warranty Parts List set forth below .) Techtronic Industries North America, Inc., will provide any part that is defective. If any such part (including any documents that describe its maintenance and use of time, not to capture particulate emissions. (8) Miscellaneous Items Used in materials and workmanship which cause it is warranted for replacement as the carburetor or fuel injection system, the ignition system, catalytic converters, fuel tanks, valves, filters...
... Warranty Parts List set forth below .) Techtronic Industries North America, Inc., will provide any part that is defective. If any such part (including any documents that describe its maintenance and use of time, not to capture particulate emissions. (8) Miscellaneous Items Used in materials and workmanship which cause it is warranted for replacement as the carburetor or fuel injection system, the ignition system, catalytic converters, fuel tanks, valves, filters...
Operation Manual
Page 15
... arm and valve stem with a second wrench. Remove the cover and set aside. Disconnect the spark plug wire. Using a Torx screwdriver, remove the screw from the rocker arm cover. Run engine until it stops. Inspect the camshaft-to children. Remove engine cover and set aside. Position camshaft by all engine parts are qualified to the original factory specification before starting engine. NOTE: This procedure requires partial disassembly of operation. HIGH ALTITUDE ENGINE OPERATION Please...
... arm and valve stem with a second wrench. Remove the cover and set aside. Disconnect the spark plug wire. Using a Torx screwdriver, remove the screw from the rocker arm cover. Run engine until it stops. Inspect the camshaft-to children. Remove engine cover and set aside. Position camshaft by all engine parts are qualified to the original factory specification before starting engine. NOTE: This procedure requires partial disassembly of operation. HIGH ALTITUDE ENGINE OPERATION Please...
