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Honda Automobiles WP20X, WP30X - page 1
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Honda Automobiles WP20X, WP30X - page 2
The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth Keep this owner's manual handy, so you can refer to it at any time. This owner's manual is considered a permanent part of the water pump and should remain with the water pump if resold. The information and specifications include ...
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Honda Automobiles WP20X, WP30X - page 3
INTRODUCTION A FEW WORDS ABOUT SAFETY Your safety and the safety of others are very important. And using this water pump safely is an important responsibility. To help you make informed decisions about safety, we have provided operating procedures and other information on labels and in this manual. This information alerts you to potential hazards t ...
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Honda Automobiles WP20X, WP30X - page 4
CONTENTS PUMP SAFETY ........................................................................................... 5 IMPORTANT SAFETY INFORMATION ................................................. 5 SAFETY LABEL LOCATIONS ................................................................. 7 CONTROLS & FEATURES ....................................... ...
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Honda Automobiles WP20X, WP30X - page 5
CONTENTS SERVICING YOUR PUMP (continued) ENGINE OIL RECOMMENDATIONS ................................................... 32 AIR FILTER INSPECTION ..................................................................... 33 AIR FILTER CLEANING ........................................................................ 34 SEDIMENT CUP CLEANING .............. ...
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Honda Automobiles WP20X, WP30X - page 6
IMPORTANT SAFETY INFORMATION Honda WP2OX and WP3OX pumps are designed to pump only water that is not intended for human consumption, and other uses can result in injury to the operator or damage to the pump and other property. Most accidents can be prevented if you follow all instructions in this manual and on the pump. The most common hazards are ...
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Honda Automobiles WP20X, WP30X - page 7
PUMP SAFETY Hot Exhaust The muffler becomes very hot during operation and remains hot for a while after stopping the engine. Be careful not to touch the muffler while it is hot. Let the engine cool before transporting the pump or storing it indoors. To prevent fire hazards, keep the pump at least 3 feet (1 meter) away from building walls and other ...
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Honda Automobiles WP20X, WP30X - page 8
PUMP SAFETY SAFETY LABEL LOCATION The label shown here contains important safety information. Please read it carefully. This label is considered a permanent part of your pump. If the label comes off or becomes hard to read, contact an authorized Honda servicing dealer for a replacement. 7 WARNING- DO NOT PUMP FLAMMABLE OR CORROSIVE MATERIALS. AN EX ...
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Honda Automobiles WP20X, WP30X - page 9
CONTROLS & FEATURES COMPONENT & CONTROL LOCATIONS < WPPOX > FUEL FILLER CAP DISCHARGE PORT THROlTLE LEVER CHOKE LEVER FUEL VALVE LEVER - OIL FILLER CAP/DIPSTICK IGNITION SWITCH FRAME PRIMING W FILLER CAP SUCTION PORT STRAINER PUMP DRAIN PLUG 8 ...
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Honda Automobiles WP20X, WP30X - page 10
CONTROLS & FEATURES < WP3OX > FUEL FILLER CAP THROlTLE LEVER DISCHARGE PORT CHOKE LEVER FUEL VALVE LEVER 7, ” OIL FILLER CAP/DIPSTICK - IGNITION SWITCH MUFFLER 9 ...
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Honda Automobiles WP20X, WP30X - page 11
CONTROLS & FEATURES CONTROLS Fuel Valve Lever The fuel valve opens and closes the connection between the fuel tank and the carburetor. The fuel valve lever must be in the ON position for the engine to run. When the engine is not in use, leave the fuel valve lever in the OFF position to prevent carburetor flooding and to reduce the possibility o ...
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Honda Automobiles WP20X, WP30X - page 12
CONTROLS & FEATURES Choke Lever The choke lever opens and closes the choke valve in the carburetor. The CLOSED position enriches the fuel mixture for starting a cold engine. The OPEN position provides the correct fuel mixture for operation after starting, and for restarting a warm engine. Throttle Lever The throttle lever controls engine speed. ...
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Honda Automobiles WP20X, WP30X - page 13
CONTROLS & FEATURES Recoil Starter Grip Pulling the starter grip operates the recoil starter to crank the engine. STARTER GRIP FEATURES Oil Alert@ System The Oil Ale@ system is designed to prevent engine damage caused by an insufficient amount of oil in the crankcase. Before the oil level in the crankcase can fall below a safe limit, the Oil Al ...
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Honda Automobiles WP20X, WP30X - page 14
ARE YOU READY TO GET STARTED? Your safety is your responsibility. A little time spent in preparation will significantly reduce your risk of injury. Knowledge Read and understand this manual. Know what the controls do and how to operate them. Familiarize yourself with the pump and its operation before you begin pumping. Know what to do in case of em ...
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Honda Automobiles WP20X, WP30X - page 15
IS YOUR PUMP READY TO GO? For your safety, and to maximize the service life of your equipment, it is very important to take a few moments before you operate the pump to check its condition. Be sure to take care of any problem you find, or have your servicing dealer correct it, before you operate the pump. Improperly maintaining this pump, or failin ...
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Honda Automobiles WP20X, WP30X - page 16
BEFORE OPERATION Check the Suction and Discharge Hoses Check the general condition of the hoses. Be sure the hoses are in serviceable condition before connecting them to the pump. Remember that the suction hose must be reinforced construction to prevent hose collapse. Check that the sealing washer in the suction hose connector is in good condition ...
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Honda Automobiles WP20X, WP30X - page 17
SAFE OPERATING PRECAUTIONS To safely realize the full potential of this pump, you need a complete understanding of its operation and a certain amount of practice with its controls. Before operating the pump for the first time, please review the IMPORTANT SAFEN INFORMATION on page 5 and the chapter titled BEFORE OPERA TION. For your safety, avoid st ...
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Honda Automobiles WP20X, WP30X - page 18
OPERATION PUMP PLACEMENT For best pump performance, place the pump near the water level, and use hoses that are no longer than necessary. That will enable the pump to produce the greatest output with the least self-priming time. As head (pumping height) increases, pump output decreases. Maximum head specifications and pump performance curves are sh ...
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Honda Automobiles WP20X, WP30X - page 19
OPERATION SUCTION HOSE INSTALLATION Use the commercially available hose and hose connector with the hose clamp provided with the pump. The suction -hose must be reinforced with a noncollapsible wall or braided wire construction. The suction hose should be no longer than necessary. Pump performance is best when the pump is near the water level, and ...
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Honda Automobiles WP20X, WP30X - page 20
OPERATION DISCHARGE HOSE INSTALLATION Use a commercially available hose and hose connector, and clamp provided with the pump. It is best to use a short, large-dia- meter hose, because that will reduce fluid friction and improve pump output. A long or small- diameter hose will increase fluid friction and reduce pump output. DISCHARGE HOSE Tighten th ...
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Honda Automobiles WP20X, WP30X - page 21
OPERATION STARTING THE ENGINE 1. Prime the pump (see page 19 ). 2. Move the fuel valve lever to the ON position. ' FUEL VALVE LEVER 3. To start a cold engine, move the choke lever to the CLOSED position. To restart a warm engine, leave the choke lever in CL the OPEN position. 4. Move the throttle lever away from the SLOW position, about 1/3 of ...
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Honda Automobiles WP20X, WP30X - page 22
OPERATION 5. Turn the ignition switch to the ON position. IGNITION SWITCH 6. Pull the starter grip lightly until resistance is felt, then pull it briskly. Do not allow the starter grip to snap back against the engine. Return it gently to prevent damage to the starter. STARTER GRIP 21 ...
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Honda Automobiles WP20X, WP30X - page 23
OPERATION 7. If the choke lever was moved to the CLOSED position to start the engine, gradually move it to the OPEN position as the engine warms UP- ; --- CHOKE LEVER SETTING ENGINE SPEED After starting the engine, move the throttle lever to the FAST position for self-priming, and check pump output. Pump output is controlled by adjusting engine ...
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Honda Automobiles WP20X, WP30X - page 24
OPERATION STOPPING THE ENGINE To stop the engine in an emergency, simply turn the ignition switch to the OFF position. Under normal conditions, use the following procedure. 1. Move the throttle lever to the SLOW position. 2. Turn the ignition switch to the OFF position. IGNITION SWITCH 23 ...
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Honda Automobiles WP20X, WP30X - page 25
OPERATION 3. Turn the fuel valve lever to the OFF position. After use, remove the pump drain plug (see page41 1, and drain the pump chamber. Remove the filler cap, and flush the pump chamber with clean, fresh water. Allow the water to drain from the pump chamber, then reinstall the filler cap and drain plug. 24 ...
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Honda Automobiles WP20X, WP30X - page 26
SERVICING YOUR PUMP THE IMPORTANCE OF MAINTENANCE Good maintenance is essential for safe, economical, and trouble-free operation. It will also help reduce air pollution. Improperly maintaining this pump, or failure to correct a problem before operation, can cause a malfunction in which you can be seriously hurt or killed. Always follow the inspecti ...
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Honda Automobiles WP20X, WP30X - page 27
SERVICING YOUR PUMP MAINTENANCE SAFETY Some of the most important safety precautions follow. However, we cannot warn you of every conceivable hazard that can arise in performing maintenance. Only you can decide whether or not you should perform a given task. Failure to properly follow maintenance instructions and precautions can cause you to be ser ...
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Honda Automobiles WP20X, WP30X - page 28
SERVICING YOUR PUMP MAINTENANCE SCHEDULE Every 3 months or 50 Hrs. 0 (1) !revery 5 Every 6 months or 100 Hrs. n n 0 0 1 Hrs (2) Every year or 300 Hrs. 0 chamber Impeller Check 0 (2) Impeller clearance Check 0 (2) Pump inlet valve Check 0 (2) Fuel tube Check Every 2 years (Replace if necessary) (2) Emission-related items. (1) Service more frequently ...
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Honda Automobiles WP20X, WP30X - page 29
SERVICING YOUR PUMP REFUELING Fuel tank capacities WP2OX: 0.66 US gal (2.5 !J,0.55 Imp gal) WP3OX: 0.95 US gal (3.6 0 ,0.79 Imp gal) With the engine stopped, remove the fuel tank cap and check the fuel level. Refill the tank if the fuel level is low. Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling fu ...
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Honda Automobiles WP20X, WP30X - page 30
SERVICING YOUR PUMP Refuel in a well-ventilated area before starting the engine. If the engine has been running, allow it to cool. Refuel carefully to avoid spilling fuel. Do not fill the fuel tank above the fuel strainer shoulder. After refueling, tighten the fuel tank cap securely. Never refuel the engine inside a building where gasoline fumes ma ...
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Honda Automobiles WP20X, WP30X - page 31
SERVICING YOUR PUMP ~ ~ ENGINE OIL LEVEL CHECK Check the engine oil level with the engine stopped and in a level position. 1. Remove the oil filler cap/dipstick and wipe it clean. 2. Insert and remove the dipstick without screwing it into the filler neck. Check the oil level shown on the dipstick. 3. If the oil level is low, fill to the edge of the ...
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Honda Automobiles WP20X, WP30X - page 32
SERVICING YOUR PUMP ENGINE OIL CHANGE Drain the used oil while the engine is warm. Warm oil drains quickly and completely. 1. Place a suitable container below the engine to catch the used oil, then remove the oil filler cap/dipstick and the drain plug. 2.Allow the used oil to drain completely, then reinstall the drain plug, and tighten it securely. ...
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Honda Automobiles WP20X, WP30X - page 33
I SERVICING YOUR PUMP 1 ENGINE OIL RECOMMENDATIONS Oil is a major factor affecting performance and service life. Use 4-stroke automotive detergent oil. SAE IOW-30 is recommended for general use. Other viscosities shown in the chart may be used when the average temperature in your area is within the recommended range. SAE Viscosity Grades SAE 111 1 ...
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Honda Automobiles WP20X, WP30X - page 34
SERVICING YOUR PUMP AIR FILTER INSPECTION Unscrew the wing nut and remove the air cleaner cover. Check the air filter to be sure it is clean and in good condition. If the air filter is dirty, clean it as described on page 34. Replace the air filter if it is damaged. Reinstall the air filter and air cleaner cover. Be sure all the parts shown below a ...
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Honda Automobiles WP20X, WP30X - page 35
SERVICING YOUR PUMP AIR FILTER CLEANING A dirty air filter will restrict air flow to the carburetor, reducing engine performance. If you operate the pump in very dusty areas, clean the air filter more frequently than specified in the MAINTENANCE SCHEDULE (see page 27 1. 1. Clean the air filter in warm soapy water, rinse, and allow to dry thoroughly ...
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Honda Automobiles WP20X, WP30X - page 36
SERVICING YOUR PUMP SEDIMENT CUP CLEANING 1. Move the fuel valve lever to the OFF position, then remove the fuel sediment cup and O-ring. Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling fuel. Stop the engine and keep heat, sparks, and flame away. Handle fuel only outdoors. Wipe up spills immediately. ...
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Honda Automobiles WP20X, WP30X - page 37
SERVICING YOUR PUMP SPARK PLUG SERVICE In order to service the spark plug, you will need a spark plug wrench (commercially available). Recommended spark plug: BPR6ES (NGK) W20EPR-U (DENSO) piq Incorrect spark plugs can cause engine damage. 1. Disconnect the spark plug cap, and remove any dirt from around the spark plug area. 2. Remove the spark plu ...
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Honda Automobiles WP20X, WP30X - page 38
SERVICING YOUR PUMP 5. Install the spark plug carefully, by hand, to avoid cross-threading. 6.After the spark plug seats, tighten with a 13/16-inch spark plug wrench to compress the washer. If reinstalling the used spark plug, tighten 1/8-1/4 turn after the spark plug seats. If installing a new spark plug, tighten 1/2 turn after the spark plug seat ...
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Honda Automobiles WP20X, WP30X - page 39
SERVICING YOUR PUMP IDLE SPEED ADJUSTMENT 1.Stat-t the engine outdoors, and allow it to warm up to operating temperature. -1 Dry operation will damage the pump seal. Be sure the pump chamber is filled with water before starting the engine. 2. Move the throttle lever to its slowest position. 3. Turn the throttle stop screw to obtain the standard idl ...
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Honda Automobiles WP20X, WP30X - page 40
SERVICING YOUR PUMP SPARK ARRESTER SERVICE (optional equipment) Your engine is not factory-equipped with a spark arrester. In some areas, it is illegal to operate an engine without a spark arrester. Check local laws and regulations. A spark arrester is available from authorized Honda servicing dealers. The spark arrester must be serviced every 100 ...
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Honda Automobiles WP20X, WP30X - page 41
STORAGE STORAGE PREPARATION Proper storage preparation is essential for keeping your pump troublefree and looking good. The following steps will help to keep rust and corrosion from impairing your pump’s function and appearance, and will make the engine easier to start when you use the pump again. Cleaning 1. Wash the engine and pump. Wash the en ...
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Honda Automobiles WP20X, WP30X - page 42
STORAGE 4. Stop the engine, and allow it to cool. 5. Remove the pump drain plug, and flush the pump with clean, fresh water. Allow the water to drain from the pump chamber, then reinstall the drain plug. 6. After the pump is clean and dry, touch up any damaged paint, and coat areas that may rust with a light film of oil. Lubricate controls with a s ...
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Honda Automobiles WP20X, WP30X - page 43
STORAGE Adding a Fuel Stabilizer to Extend Fuel Storage Life When adding a fuel stabilizer, fill the fuel tank with fresh gasoline. If only partially filled, air in the tank will promote fuel deterioration during storage. If you keep a container of gasoline for refueling, be sure that it contains only fresh gasoline. 1. Add fuel stabilizer followin ...
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Honda Automobiles WP20X, WP30X - page 44
STORAGE Draining the Fuel Tank and Carburetor 1. Place an approved gasoline container below the carburetor, and use a funnel to avoid spilling fuel. 2. Remove the carburetor drain bolt and sediment cup, then move the fuel valve lever to the ON position. DRAIN BOLT Gasoline is highly flammable and explosive. You can be burned or seriously injured wh ...
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Honda Automobiles WP20X, WP30X - page 45
STORAGE Engine Oil 1. Change the engine oil (see page 31 ). 2. Remove the spark plug (see page36 1. 3. Pour a tablespoon (5-10 cc) of clean engine oil into the cylinder. 4. Pull the starter grip several times to distribute the oil in the cylinder. 5. Reinstall the spark plug. 6. Pull the starter grip slowly until resistance is felt and the notch on ...
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Honda Automobiles WP20X, WP30X - page 46
STORAGE Place the pump on a level surface. Tilting can cause fuel or oil leakage. With the engine and exhaust system cool, cover the pump to keep out dust. A hot engine and exhaust system can ignite or melt some materials. Do not use sheet plastic as a dust cover. A nonporous cover will trap moisture around the pump, promoting rust and corrosion. R ...
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Honda Automobiles WP20X, WP30X - page 47
TRANSPORTING If the pump has been running, allow the engine to cool for at least 15 minutes before loading the pump on the transport vehicle. A hot engine and exhaust system can burn you and can ignite some materials. Keep the pump level when transporting to reduce the possibility of fuel leakage. Move the fuel valve lever to the OFF position. 46 ...
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Honda Automobiles WP20X, WP30X - page 48
ENGINE Engine Will Not Start 1. Check control positions. 2. Check fuel. 3. Check engine oil 4. Remove and inspect level. spark plug. 5. Take engine to an authorized Honda servicing dealer, or refer to shop manual. ~ Engine Lacks Power 1. Check air filter. 2. Check fuel. authorized Honda servicing dealer, or Possible Cause Correction Choke open. Mov ...
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Honda Automobiles WP20X, WP30X - page 49
TAKING CARE OF UNEXPECTED PROBLEMS PUMP No Pump Output chamber. Prime pump (p. 19 ) Pump not primed. 1. Check pump Correction Possible Cause 2. Check suction hose. Hose collapsed, cut or Replace suction hose punctured. (p. 18 ). Strainer not completely the end of a suction underwater. Sink the strainer and hose completely underwater. Air leak at co ...
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Honda Automobiles WP20X, WP30X - page 50
TECHNICAL & CONSUMER INFORMATION TECHNICAL INFORMATION Serial Number Locations ENGINE SERIAL NUMBER Record the pump serial number and the engine serial number in the space below. You will need these serial numbers when ordering parts, and when making technical or warranty inquiries (see page 60 1. Engine serial number: Pump serial number: 49 ...
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Honda Automobiles WP20X, WP30X - page 51
TECHNICAL & CONSUMER INFORMATION Carburetor Modification for High Altitude Operation At high altitude, the standard carburetor air-fuel mixture will be too rich. Performance will decrease, and fuel consumption will increase. A very rich mixture will also foul the spark plug and cause hard starting. Operation at an altitude that differs from tha ...
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Honda Automobiles WP20X, WP30X - page 52
TECHNICAL & CONSUMER INFORMATION Oxygenated Fuels Some conventional gasolines are being blended with alcohol or an ether compound. These gasolines are collectively referred to as oxygenated fuels. To meet clean air standards, some areas of the United States and Canada use oxygenated fuels to help reduce emissions. If you use an oxygenated fuel, ...
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Honda Automobiles WP20X, WP30X - page 53
TECHNICAL & CONSUMER INFORMATION Emission Control System Information Source of Emissions The combustion process produces carbon monoxide, oxides of nitrogen, and hydrocarbons. Control of hydrocarbons and oxides of nitrogen is very important because, under certain conditions, they react to form photochemical smog when subjected to sunlight. Carb ...
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Honda Automobiles WP20X, WP30X - page 54
TECHNICAL & CONSUMER INFORMATION Problems That May Affect Emissions If you are aware of any of the following symptoms, have your engine inspected and repaired by your servicing dealer. Hard starting or stalling after starting. Rough idle. Misfiring or backfiring under load. Afterburning (backfiring). Black exhaust smoke or high fuel consumption ...
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Honda Automobiles WP20X, WP30X - page 55
TECHNICAL & CONSUMER INFORMATION Air Index An Air Index Information hang tag/label is applied to engines certified to an emission durability time period in accordance with the requirements of the California Air Resources Board. The bar graph is intended to provide you, our customer, the ability to compare the emissions performance of available ...
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Honda Automobiles WP20X, WP30X - page 56
TECHNICAL & CONSUMER INFORMATION Specifications WPPOX Dimensions and weight Length 48.5 Ibs (22.0 kg) Dry weight With rubber feet: 15.0 in (380 mm) Height 13.8 in (350 mm) Width 18.5 in (470 mm) Without rubber feet: 14.2 in (360 mm) Engine design and performance Model 7.3 cu-in (1 19 cc) Displacement 4-stroke, overhead valve, single cylinder En ...
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Honda Automobiles WP20X, WP30X - page 57
TECHNICAL & CONSUMER INFORMATION WP2OX (continued) Pump Suction port diameter Suction head (maximum) 85 ft (26 m) Total head (maximum) 2 in (50 mm) Discharge port diameter 2 in (50 mm) 158.5 US gal (600 0, 132.0 Imp gal) Discharge capacity (maximum) 26 ft (8 m) Self-priming time 90 seconds at 16 ft (5 m) Pressure (maximum) 38 psi (262 kPa ,2.67 ...
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Honda Automobiles WP20X, WP30X - page 58
WPSOX TECHNICAL & CONSUMER INFORMATION Dimensions and weight Length 14.8 in (375 mm) Width 19.9 in (505 mm) With rubber feet: 18.3 in (465 mm) Heinht - Without rubber feet: 17.7 in (450 mm) Dry weight 61.7 Ibs (28.0 kg) Engine design and performance Model Counterclockwise PTO shaft rotation Transistorized magneto Ignition system Forced air Cool ...
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Honda Automobiles WP20X, WP30X - page 59
TECHNICAL & CONSUMER INFORMATION WP3OX (continued) Pump Suction port diameter 98 ft (30 m) Total head (maximum) 3 in (80 mm) Discharge port diameter 3 in (80 mm) Suction head (maximum) 264.2 US gal (1,000 0, 220.0 Imp Discharge capacity (maximum) 26 ft i8 m) ’ Self-priming time 120 seconds at 16 ft (5 m) Pressure (maximum) 45 psi (310 kPa ,3. ...
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Honda Automobiles WP20X, WP30X - page 60
TECHNICAL & CONSUMER INFORMATION CONSUMER INFORMATION Honda Publications These publications will give you additional information for maintaining and repairing your pump. You may order them from your ' Honda pump dealer. Shop Manual This manual covers complete maintenance and overhaul procedures. It is intended to be used by a skilled techn ...
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Honda Automobiles WP20X, WP30X - page 61
TECHNICAL & CONSUMER INFORMATION Customer Service Information Servicing dealership personnel are trained professionals. They should be able to answer any question you may have. If you encounter a problem that your dealer does not solve to your satisfaction, please discuss it with the dealership's management. The Service Manager or General ...
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Honda Automobiles WP20X, WP30X - page 62
QUICK REFERENCE INFORMATION Fuel Engine Oil Spark Plug Carburetor Maintenance Capacity TY Pe Capacity TY Pe Gap Idle speed Before each use First 20 hours Subsequent Unleaded gasoline with a pump octane rating of 86 or higher (page 29 ) WP2OX: 0.66 US gal (2.5 0, 0.55 Imp gal) WP3OX: 0.95 US gal (3.6 !2,0.79 Imp gal) SAE IOW-30, API SJ, for general ...
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Honda Automobiles WP20X, WP30X - page 63
c ~ The Power of Dreams b 31YE5620 00x31-YE5-6200 @$ @ 2000.2001.06 a Printed in Japan ...
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