Honda WB20X, Owner'S Manual

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Page 2: ...sidered a permanentpartofthewater pump and should remain with the water pump if resold The information and specifications included in this publication were in effect at thetime of approvalforprinting HondaMotor Co Ltd reserves the right however to discontinue or change specifications or design at any time without notice and without incurring any obligation whatever No partofthispublicationmay be r...

Page 3: ...atinformationisintended tohelpyouavoid damage to your water pump other property or the environment Wesuggest you readthewarrantypolicy tofullyunderstandits coverage and your responsibilities of ownership The warranty policy is a separate document that should have been given to you by your dealer When your water pump needs scheduled maintenance keep in mind that yourHondaservicing dealer isspeciall...

Page 4: ...er pump You must use your own good judgment You willfindimportantsafetyinformationin a varietyofforms including Safety Labels on the pump Safety Messages preceded by a safetyalertsymbolandone of three signal words DANGER WARNING or CAUTION These signal words mean You WILL beKILLED or SERIOUSLYHURT if you don t follow instructions You CAN be KILLED or SERIOUSLYHURT if you don t follow instructions ...

Page 5: ...l Condition of the Pump 14 Check the Suction and Discharge Hoses 15 Check the Engine 15 OPERATION 16 SAFEOPERATINGPRECAUTIONS 16 PUMP PLACEMENT 17 SUCTION HOSE INSTALLATION 18 DISCHARGE HOSE INSTALLATION 19 PRIMING THE PUMP 19 STARTING THE ENGINE 20 SETTING ENGINESPEED 22 STOPPING THE ENGINE 23 SERVICING YOUR PUMP 25 THE IMPORTANCE OF MAINTENANCE 25 MAINTENANCE SAFETY 26 MAINTENANCE SCHEDULE 27 RE...

Page 6: ...5 TRANSPORTING 46 TAKING CARE OF UNEXPECTED PROBLEMS 47 ENGINE 47 Engine Will Not Start 47 Engine Lacks Power 47 PUMP 48 No Pump Output 48 Low Pump Output 48 TECHNICAL CONSUMER INFORMATICDN 49 TECHNICAL INFORMATION 49 Serial Number Location 49 Carburetor Modification for High Altitude Operation 50 Oxygenated Fuels 51 Emission Control System Information 52 Air Index 54 Specifications 55 CONSUMER IN...

Page 7: ... controls and connections Be sure that anyone who operates the pump receives proper instruction Do not let children operate the pump Keep children and pets awayfrom thearea of operation Pump Operation Pump only water that is not intended for human consumption Pumping flammable liquids such as gasoline or fueloils can result in a fire or explosion causing serious injury Pumping sea water beverages ...

Page 8: ...gine cool before transporting the pump or storing it indoors To prevent fire hazards keep the pump at least 3 feet 1 meter away frombuildingwallsandotherequipmentduringoperation Do not place flammable objects close to the engine Carbon Monoxide Hazard Exhaust gas contains poisonous carbon monoxide Avoid inhalation of exhaust gas Never run the engine in a closed garage or confined area ...

Page 9: ...t an authorized Honda servicing dealer for a replacement 7 WARNING DO NOT PUMP FLAMMABLE OR CORROSIVE MATERIALS AN EXPLOSION OR FIRE COULDRESULT CAUSING SEVERE PERSONAL INJURY PUMP CAUTIONLABEL W NOT RUN WITHOUT WILL BURN THE SEAL PRIMING WATER DRY OPOIATHIN BO TCSTUND LWLAUF MI1 WASSO B W h TROCKLII SIN CEBAOO FUNCIONAMIENTO i PRECAUTION NE FAITE PAS FON CTIONNER SANS AMORSAGE FONCTlONNEMENT AU S...

Page 10: ...CONTROLS COMPONENT CONTROL LOCATIONS WBZOX CARRYING HANDLE FUEL FILLER CAP MUFFLER OIL DRAINPLUG FUELVALVE LEVER 8 ...

Page 11: ...CONTROLS WB30X FUEL FILLER CAP MUFFLER FRAME AIR CLEANER PUMPDRAIN CAP OIL DRAIN PLUG f STRAINER 9 ...

Page 12: ...to run Whentheengineisnot in use leavethefuelvalvelever in the O F F p o s i t i o n t o p r e v e n t carburetor flooding and to reduce the possibility of fuel leakage Ignition Switch Theignitionswitchcontrolsthe ignition system The ignition switch must bein the ON position for the engine to run Turning the ignition switchto the OFF position stops the engine IGNITIONSWITCH 10 ...

Page 13: ...ration after starting and for restarting a warm engine Throttle Lever The throttle lever controls engine speed THROTTLE LEVER Movingthethrottleleverinthe directions shown makes the engine run faster or slower Pump output is controlled adjusting the throttle lever maximum throttle position the pump will deliver the highest output volume Moving the throttle lever toward the idle position will decrea...

Page 14: ...CONTROLS Recoil Starter Grip Pulling the starter grip operates the recoil starter to crank the engi STARTER GRIP 12 ...

Page 15: ...isk of injury Knowledge Read andunderstandthismanual Knowwhatthecontrols doand how tooperate them Familiarize yourself with the pump and its operation before you begin pumping Know what to do in case of emergencies Be sure of what you are pumping This pump is designed to pump only water that is not intended for human consumption 13 ...

Page 16: ...problem Exhaust gas contains poisonous carbon monoxide Avoid inhalation of exhaust gas Never run the engine in a closed garage or confined area To prevent fire hazards keep the pump at least 3 feet 1 meter away frombuildingwallsandotherequipmentduringoperation Do not place flammable objects close to the engine Before beginning your preoperation checks be sure the pump is on a level surface and the...

Page 17: ...eck that the hose connectors and clamps are securely installed see pages18 19 Check that the strainer is in good condition and is installed on the suction hose see page18 1 Check the Engine Check the oil level see page 30 Running the engine with a low oil level can cause engine damage Check the air filter see page33 A dirty air filter will restrict air flow to thecarburetor reducing engine andpump...

Page 18: ...ION For your safety avoid starting or operating the engine in an enclosed area such as a garage Yourengine sexhaust containspoisonous carbon monoxide gas which can collect rapidly in an enclosed area and cause illness or death Pump only water that is not intended for human consumption Pumping flammable liquids such as gasoline or fuel oils can result in a fire or explosion causing serious injury P...

Page 19: ...ves are shown in thetables on pages 56 and 58 The length type and size of thesuctionanddischargehoses can also significantlyaffectpump output Discharge head capability is always greater than suction head capability so it is important for suction head to be the shorter part of total head Minimizing suction head placing the pump near the water level is also very important for reducing self priming t...

Page 20: ... hoses are short Use a hose clamp to securely fasten the hose connector to the suction hose in order to prevent air leakage and loss of suction Verify that the hose connector sealing washer is in good condition Install the strainer provided with the pump on the other end of the suction hose and secure it with a hose clamp The strainer will help to prevent thepumpfrom becoming clogged or damaged by...

Page 21: ... pump output Tightenthehoseclampsecurely to prevent the discharge hose from disconnecting under high pressure PRIMINGTHE PUMP DISCHARGE HOSE HOSE CONNECTOR HOSE CLAMP Beforestartingthe engine removethefillercapfromthepump chamber and completely fillthe pump chamber with water Reinstall the fillercap and tightenit securely Operating the pump dry willdestroy the pump seal If the pump has been operat...

Page 22: ...he ON position FUEL VALVELEVER 3 To start acold engine move the choke lever to theCLOSED position To restart a warm engine leave the choke leverin the OPEN position CHOKE LEVER 4 Move the throttlelever away from theSLOW position about 1 3 of the way toward the FAST position THROI LELEVER 20 ...

Page 23: ...to the ON position IGNITION SWITCH 6 Pull the starter grip lightly until resistance is felt then pullit briskly Do not allow the starter grip to snap back againstthe engine Return it gently to prevent damage to the starter STARTER GRIP 21 ...

Page 24: ...OKE LEVER I SETTING ENGINESPEED After starting theengine move the throttle lever to the FAST position for self priming andcheck pump output Pumpoutputiscontrolled by adjustingengine speed Movingthe throttleleverinthe FAST directionwillincreasepumpoutput and moving the throttle lever in the SLOW direction will decrease pump output THROTTLE LEVER 22 ...

Page 25: ...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 f r THROlTLE LEVER 2 Turn the ignition switch to the OFF position IGNITION SWITCH 23 ...

Page 26: ...OFF position After use remove the pump drain plug see page 41 and drain the pump chamber Remove the filler cap and flush the pump chamber with clean freshwater Allowthewatertodrainfromthepump chamber then reinstall the filler cap and drain plug 24 ...

Page 27: ...e specialtools arebest handled by professionals and are normally performed by a Honda technician or other qualified mechanic The maintenance schedule applies to normal operating conditions If you operate your pump under severe conditions such as sustained high load or high temperature operation or use in unusually wet or dusty conditions consult your servicing dealer for recommendations applicable...

Page 28: ...engine is off before you begin any maintenance or repairs This will eliminate several potential hazards Carbon monoxide poisoningfrom engineexhaust Be sure there is adequate ventilation whenever you operate the engine Burns from hot parts Let the engine and exhaust system cool before touching Injury from moving parts Do not run the engine unless instructed to do so Read the instructions before you...

Page 29: ...2 Every 2 years Replaceif necessary 2 Fuel tube Check Emission related items 1 Service morefrequently when used in dusty areas 2 These items shouldbeserviced by your servicingdealer unless you have the proper tools andaremechanically proficient Refer to Honda shop manualfor service procedures 3 For commercial use log hours of operation to determine proper maintenance intervals 27 ...

Page 30: ... 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 fuel Stop the engine and keep heat sparks and flame away Handle fuel only outdoors Wipe up spills immediately MAXIMUM FUEL LEVEL 28 ...

Page 31: ...arranty FUEL RECOMMENDATIONS Use unleaded gasoline with a pump octane ratingof 86 or higher These engines are certified to operate on unleaded gasoline Unleaded gasoline produces fewer engine and spark plug deposits and extends exhaust system life Never use stale or contaminated gasoline or an oil gasoline mixture Avoid gettingdirt or water in the fuel tank Occasionally you may hear a light spark ...

Page 32: ...nd 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 oil filler hole with the recommended oil see page32 4 Screw in the oil filler cap dipstick securely OIL FILLER NECK OIL FILLER CAP DIPSTICK UPPER LIMIT p i q Running the engine with a low oil level can causeengine damage 30 ...

Page 33: ...otor oil in a manner that is compatible with the environment We suggest you take used oilin a sealed container to your local recycling center or service station for reclamation Do not throwit in the trash pour it on the ground or down a drain 3 With the engine in a level position fill to the outer edge of the oil filler holewith the recommended oil see page 32 Engine oil capacity 0 63 US qt 0 60 Q...

Page 34: ...n the chart may be used when the average temperature in your area is within the recommended range SAE Viscosity Grades TEMP 20 0 20 40 60 80 100 F 30 20 1 0 0 10 20 30 40 C AMBIENT TEMPERATURE The SAE oil viscosity and service classification are in theAPI label on theoilcontainer Hondarecommendsthatyouuse API SERVICE category SJ oil The recommended operating range of this pump is 23 O F to 104 O F...

Page 35: ... the air filter ifit is damaged Reinstall the air filter and air cleaner cover Be sure all the parts shown below are in place Tighten the wing nut securely I NOTICE I Operating the engine without an air filter or witha damaged air filter will allow dirt to enter the engine causing rapid engine wear Thistype of damage isnot covered by the Distributor s Limited Warranty WING NUT COVER WASHER AIR CLE...

Page 36: ...HEDULE seepage 27 1 Clean the air filter in warm soapywater rinse and allow to dry thoroughly Or cleanin nonflammable solvent and allow to dry 2 Dip the air filterin clean engine oil then squeeze out all excess oil Theengine will smokewhenstarted if too much oil is left in the foam 3 Wipe dirt from the aircleaner base and cover using a moistrag Be careful to prevent dirt from entering the air duct...

Page 37: ...hen handling fuel Stop the engine and keep heat sparks and flameaway Handle fuel only outdoors Wipe up spills immediately 2 Wash the sediment cup and O ring in nonflammable solvent and dry them thoroughly 3 Place theO ringinthefuel valve and installthesedimentcup Tighten the sediment cup securely 4 Move the fuel valve lever to the ON position and check for leaks Replace the O ring if there is any ...

Page 38: ...round the spark plug area 2 Remove the spark plug with a 13 16 inch sparkplug wrench SPARK PLUG WRENCH 3 Inspect the spark plug Replace it if the electrodes are worn or if the insulator is cracked or chipped Clean thesparkplug with a wirebrushifyou are going toreuse it 4 M e a s u r e t h e s p a r k p l u g electrode gap with a suitable gauge Correct thegap if necessary by carefully bending the s...

Page 39: ...k plug wrench to compress the washer If reinstallingtheused sparkplug tighten1 8 1 4turnafterthe spark plug seats If installing a new spark plug tighten 1 2 turn after the spark plug seats A loose spark plug can overheatand damage the engine Overtightening the spark plug can damage the threads in the cylinder head 7 Attach thespark plug cap 37 ...

Page 40: ...ting temperature m Dry operation will damage the pump seal Be sure the pump chamber is filled withwater before starting theengine 2 Move the throttle lever to its slowest position 3 Turn the throttle stop screw to obtain the standard idle speed Standard idle speed 1 400 rpm THROTTLE STOP SCREW 38 e ...

Page 41: ...ol before servicing the spark arrester 1 Remove the two 8 m m nuts andremove the muffler 2 Remove the four 5 m m self tapping screws and remove the muffler protector from the muffler 3 Remove the 4 mm screw from the spark arrester and remove the spark arresterfrom the muffler 5 mm SELF TAPPING MUFFLER PROTECTOR 4 mm SCREW SPARK ARRESTER 4 Use a brush to remove carbo deposits from thespark arrester...

Page 42: ...s rust rNOTlCE 1 Using a garden hose or pressure washing equipment can force water into the air cleaner or muffler opening Water in the air cleaner will soak the air filter and water thatpasses through the air filteror mufflercan enterthe cylinder causingdamage Water contacting a hot engine can cause damage If the engine has been running allow it to cool for at least half an hour before washing 2 ...

Page 43: ...nents serviced or replaced Thelengthoftime that gasolinecanbeleft in yourfueltankand carburetor without causing functional problems will vary with such factors as gasoline blend your storage temperatures and whether the fuel tank is partially or completely filled The air in a partially filled fuel tankpromotesfueldeterioration Verywarmstorage temperatures accelerate fueldeterioration Fuel deterior...

Page 44: ...ueling be sure hat it contains only fresh gasoline 2 1 Add fuelstabilizer following the manufacturer s instructions 2 After addinga fuel stabilizer run the engine outdoors for 10 minutes to be sure that treated gasolinehas replaced the untreated gasoline inthe carburetor m Dry operation will damage thepump seal Be sure the pump chamber is filled withwater before starting the engine 3 Stop the engi...

Page 45: ...edimentcup then move the fuel valve lever to theON position Gasoline is highly flammable and explosive You can be burned or seriously injured when handling fuel Keep heat sparks and flame Handle fuelonly outdoors Wipe up spills immediately away L DRAIN BOLT SEDIMENT CUP 3 After all the fuel has drained into the container reinstall the drain bolt and sediment cup Tighten them securely 43 ...

Page 46: ...urn the starter grip gently Align notch on pulley with hole at top of cover STORAGE PRECAUTIONS Ifyourpump will be stored with gasoline in the fuel tank and carburetor it isimportantto reducethe hazard ofgasolinevapor ignition Select a well ventilated storagearea away from any appliance that operates with a flame such as a furnace water heater or clothes dryer Also avoid any area with a spark prod...

Page 47: ...und the pump promoting rust and corrosion REMOVAL FROMSTORAGE Check your pump as described in the BEFORE OPERATIONchapter of this manual If the fuel was drained during storage preparation fill the tank with freshgasoline If you keepacontainerofgasolineforrefueling be sure that it contains only fresh gasoline Gasoline oxidizes and deteriorates over time causing hard starting Ifthecylinderwascoated ...

Page 48: ...for at least 15 minutesbeforeloadingthepumponthetransportvehicle 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 ...

Page 49: ...gged 2 Check fuel 3 Take engine to an authorized Honda servicing dealer or refer to shop manual Bad fuel pump stored without treating or draining gasoline or refuel with bad gasoline Fuel filter clogged carburetor malfunction ignition malfunction valves stuck etc Correction Move fuel valve lever to ON Dosition Move choke lever to CLOSEDposition unless engine is warm Turn ignition switch to ON Refu...

Page 50: ...e suction and discharge head Relocate pump and or Excessive head hoses to reduce head p 18 56 58 1 4 Check engine See page 47 Engine lacks power Low Pump Output Replace suction hose Hose collapsed 1 Check suction hose Correction Possible Cause damaged too long or diameter too small P 18 1 Replace sealing washer Air leak at connector if missing or damaged Tighten hose connector and clamp p 18 Strai...

Page 51: ...NUMBER WBBOX ENGINESERIAL NUMBER FRAME SERIAL NUMBER Record theframeserialnumber if assigned andtheengineserial number inthe space below You will need these serial numbers when ordering parts and when making technical or warranty inquiries see page 60 Engine serial number Frame serial number I 49 ...

Page 52: ...er perform this car buretor modification This engine when operated at high altitude with thecarburetormodificationsforhighaltitude use will meet each emission standard throughoutits useful life Even with carburetor modification engine horsepower will decrease about 3 5 for each 1 000 foot 300 meter increase in altitude The effect of altitude on horsepower will be greater than this if no carburetor...

Page 53: ...aining up to 10 ethanol by volume Gasoline containing ethanol may be marketed under the name Gasohol MTBE methyl tertiary butyl ether 15 by volume You mayuse gasoline containing up to 15 MTBE by volume METHANOL methyl or wood alcohol 5 by volume You may use gasoline containing up to 5 methanol by volumeas long as it also contains cosolvents and corrosion inhibitors to protect the fuel system Gasol...

Page 54: ... U S and California Clean Air Acts EPA andCaliforniaregulationsrequire all manufacturers to furnish written instructions describing the operation and maintenance of emis sion control systems The following instructions and procedures must be followed in order to keep the emissions from your Honda engine within the emission standards TamperingandAltering Tampering with or altering the emission contr...

Page 55: ...partsaremanufactured tothe samestandards as the original parts so you can be confident of their performance The use of replacement parts that are not of the original design and quality may impair the effectiveness of your emission control system A manufacturer of an aftermarket part assumes the responsibility that the part will not adversely affect emission performance The manufacturer or rebuilde...

Page 56: ...ended to provide youwith information relating tothe engine semissiondurabilityperiod Thedescriptive term indicates the useful life period for theengine s emission control system See your Emission Control Warranty for additional information Descriptive Term 50 hours 0 65 cc Moderate Applicable to Emission Durability Period 125 hours greater than 65 cc Intermediate 125 hours 0 65 cc 250 hours greate...

Page 57: ...m 5 4 ft lb 7 4 Nom 0 75kg m at 2 500 rpm Maximumtorque 3 9 bhp 2 9 kW 4 0PS at 4 000 rpm Maximum output 2 4 X 1 7 in 60 X 42 mm bore X stroke 7 3 cu in 119 cc Displacement 4 stroke overhead valve single cylinder Enginetype GX120K1 Tuneup Spark plug gap See page 36 0 028 0 031 i n 0 70 0 80 mm Idlespeed 1 400 X rpm See shop Intake 0 15 0 02 mm Valve clearance See page 38 cold I Exhaust 0 20 t 0 02...

Page 58: ...conds at 16 4ft 5m Continuous running time Approximately 2 1 5 hours actual time varies with pump load Pump performancecurve As total head increases discharge capacity decreases The following graph shows the relationship between pump discharge capacity and total head while pumping clear water atsea level 164 131 0 98 I 2 3 e 66 33 I 26 4 52 8 79 3 105 7 132 1 158 5 184 9 US gallrnin 100 200 300 40...

Page 59: ...aft rotation Transistorized magneto Ignitionsystem Forced air Cooling system 8 0 ft lb 11 Nom 1 1 kg m at 2 500 rpm Maximumtorque 5 4 bhp 4 0 kW 5 5PS at 4 000 rpm Maximum output 2 7 X 1 8in 68 X 45 mm bore X stroke 9 9cu in 163 cc Displacement Tuneup Spark plug gap See page 36 0 028 0 031 in 0 70 0 80 mm Idlespeed 1 400 rpm No other adjustmentsneeded Other specifications manual Exhaust 0 20 0 02 ...

Page 60: ...92 ft 28m Total head maximum gal per minute Self priming time Approximately 2 3 10 hours actual Continuous running time 150 secondsat 16 4ft 5m I time varies with pump load Pump performancecurve As total head increases discharge capacity decreases The following graph shows the relationship between pump discharge capacity and total head while pumping clear water at sea level 131 33 5c 40 30 20 0 Ql...

Page 61: ...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 tobe used by a skilled technician Parts Catalog This manual provides complete illustrated parts lists 59 ...

Page 62: ...ay If you are dissatisfied with thedecisionmadebythedealership s management contact the Honda Power Equipment Customer Relations Office You can write American Honda Motor Co Inc Power Equipment Division Customer Relations Office 4900 Marconi Drive Alpharetta Georgia 30005 8847 Or telephone 770 497 6400 When you write or call please give us this Lnformation Model and serial number see page49 Name o...

Page 63: ...mp octaneratingof 86 orhigher page 29 WB20X 0 66 US gal 2 5 2 0 55 Imp gal WB30X 0 95 US gal 3 6 2 0 79 Imp gal SAE IOW 30 APISJ for general use page32 0 63 US qt 0 60 2 0 53 Imp qt NGK BPR6ES 0 028 0 031 in 0 70 0 80 mm page 36 1 400 rpm page 38 Check engine oillevel Check air filter Change engine oil DENSO W20EPR U Refer to the maintenance schedule on page 27 ...

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