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Honda Engine Gx25u Gx35u Owners Manual

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    ENGLISH
    COOLING FINS
    Inspection SPARK PLUG
    Recommended Spark Plug:
    SEALING
    WASHER SIDE ELECTRODE
    COOLING FINS SPARK PLUG CAP
    SPARK PLUG0.60 0.70 mm
    (0.024 0.028 in)
    SPARK PLUG CAP5mmHEXBOLT TOP COVER
    11 Inspect the spark plug.
    Replace it if damaged or
    badly fouled, if the sealing
    washer is in poor condition,
    or if the electrode is worn.
    Measure the spark plug
    electrode gap with a wire-
    type feeler gauge. Correct the
    gap, if necessary, by carefully
    bending the side electrode.
    The gap should be:
    0.60 0.70 mm (0.024 0.028 in)
    Install the spark plug carefully,
    by hand, to avoid cross-
    threading.
    After the spark plug is seated, tighten with a 5/8-inch spark plug
    wrench to compress the sealing washer.
    When installing a new spark plug, tighten 1/2 turn after the spark
    plug seats to compress the washer.
    When reinstalling the original spark plug, tighten 1/8 1/4 turn
    after the spark plug seats to compress the washer.
    A loose spark plug can overheat and damage the engine.
    Overtightening the spark plug can damage the threads in the
    cylinder head.
    Attach the spark plug cap to the spark plug.
    Reconnect the spark plug cap.
    Install the top cover, and tighten the 5 mm hex bolt securely. The recommended spark plug has the correct heat range for
    normal engine operating temperatures.
    An incorrect spark plug can cause engine damage.
    For good performance, the spark plug must be properly gapped
    and free of deposits.
    Remove the top cover.
    Loosen the 5 mm hex bolt with a hexagon wrench, then remove
    the top cover.
    You may be injured from the rotating parts or burned
    by the muffler. Do not pull the recoil starter handle when the top
    cover is removed. Do not operate the engine when the top cover is
    removed.
    Disconnect the spark plug cap, and remove any dirt from around
    the spark plug area.
    Remove the spark plug with a 5/8-inch spark plug wrench.CM5H (NGK) CMR5H (NGK)
    Disconnect the spark plug cap.
    Inspect the engine cooling fins, and clean out debris if necessary. Install the top cover, and tighten the 5 mm hex bolt securely
    with a hexagon wrench.
    Loosen the 5 mm hex bolt, then remove the top cover.
    2.4.
    3.5.
    6.
    7.
    8.
    9.
    2.
    3. 1.
    4.
    5. 10.
    11. 1.,
    06/11/06 12:23:40 32Z6J600_011 
    						
    							ENGLISH
    Spark Arrester Cleaning & Inspection Spark Arrester Removal Standard/Pump type: SPARK ARRESTER (applicable types) FUEL FILTER AND FUEL TANK
    Fuel filter inspection and Fuel tank cleaning
    GX25
    MUFFLER
    SPARK ARRESTER
    SPARK ARRESTER SCREEN
    FUEL FILTER4 mm SCREWSSPARK PLUG ENGINE OIL FILLER CAP
    FUEL FILLER NECK
    12Install the top cover, and tighten the 5 mm hex bolt securely (see
    page ). When you install the spark arrester, the spark arrester’s outlet
    must point to the side opposite the spark plug. Install the spark arrester in the reverse order of disassembly. The spark arrester must be free of breaks and holes. Replace the
    spark arrester if it is damaged. Use a brush to remove carbon deposits from the spark arrester
    screen. Be careful to avoid damaging the screen. Remove the 4 mm screws from the spark arrester, and remove
    the spark arrester from the muffler. Loosen the 5 mm hex bolt, then remove the top cover (see page
    ). If the engine has been running, the muffler will be hot. Allow it to
    cool before servicing the spark arrester. The spark arrester must be serviced every 100 hours to keep it
    functioning as designed. The spark arrester may be standard or an optional part, depending
    on the engine type. 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.
    Insert the fuel filter into the fuel tank and tighten the fuel filler
    cap securely. Inspect the fuel filter. If the fuel filter is dirty, wash it gently with
    non-flammable or high flash point solvent. If the fuel filter is
    excessively dirty, replace it. Pull the fuel filter out through the fuel filler neck byhooking the
    black fuel tube with a piece of wire, such as a partly straightened
    paper clip.Wipe up spills immediately. Handle fuel only outdoors.
    Stop engine and keep heat, sparks, and flame away. Gasoline is highly flammable and explosive, and you
    can be burned or seriously injured when handling
    fuel.
    Check that the engine oil filler cap is tightened securely.
    Remove the fuel filler cap, and drain the fuel into an approved
    gasoline container by tipping the engine toward the fuel filler
    neck.
    Remove water and dirt from the fuel tank by rinsing the inside of
    the fuel tank with non-flammable or high flash point solvent.1.
    2.
    4. 3.
    5.
    6.1.
    2.
    3.11 1.
    2.
    11
    06/11/06 12:24:05 32Z6J600_012 
    						
    							· ·
    · ·
    ENGLISH
    Standard Type: Tiller type
    Spark Arrester Removal Spark Arrester Removal
    Spark Arrester Cleaning & Inspection
    Exhaust Filter Cleaning & Inspection
    Spark Arrester Cleaning & Inspection GX35
    SPARK ARRESTER SCREEN
    SPARK ARRESTER SCREENSPARK PLUG
    MUFFLER
    EXHAUST
    FILTER SPARK ARRESTER
    OUTLET
    46mm
    SELF-TAPPING
    SCREWS
    SPARK ARRESTER MUFFLER SPARK ARRESTER3 6 mm SELF-TAPPING SCREW
    13 Remove the 4 6 mm self-tapping screws from the spark
    arrester, and remove the spark arrester and exhaust filter from
    the muffler. Loosen the 5 mm hex bolt, then remove the top cover (see page
    ). Loosen the 5 mm hex bolt, then remove the top cover (see page
    ).
    Use a brush to remove carbon deposits from the spark arrester
    screen. Be careful to avoid damaging the screen.
    The spark arrester must be free of breaks and holes. Replace the
    spark arrester if it is damaged.
    Install the top cover, and tighten the 5 mm hex bolt securely (see
    page ). Install the spark arrester in the reverse order of disassembly. Remove the 3 6 mm self-tapping screws from the spark
    arrester, and remove the spark arrester from the muffler.
    Pinch the exhaust filter, and strike it lightly with a finger, to
    remove carbon deposits. Be careful not to strike it too hard.
    The exhaust filter must be free of breaks and holes. If it is
    damaged or fouled excessively, have it serviced by your Honda
    dealer.
    Install the top cover, and tighten the 5 mm hex bolt securely (see
    page ). When you install the spark arrester, the spark arrester’s outlet
    must point to the side opposite the spark plug. Install the exhaust filter and spark arrester in the reverse order
    of disassembly. The spark arrester must be free of breaks and holes. Replace the
    spark arrester if it is damaged. Use a brush to remove carbon deposits from the spark arrester
    screen. Be careful to avoid damaging the screen. 1.
    2.
    3. 2.
    3.1.
    2.11 1.
    2.
    1.11
    11 11
    06/11/06 12:24:32 32Z6J600_013 
    						
    							·
    ·
    HELPFUL TIPS & SUGGESTIONS
    STORING YOUR ENGINE
    Storage Preparation
    Cleaning
    Fuel
    Adding a Gasoline Stabilizer to Extend Fuel Storage Life Tiller type:
    Spark Arrester Removal
    Exhaust Filter Cleaning & Inspection
    Spark Arrester Cleaning & Inspection
    ENGLISH
    SPARK ARRESTERMUFFLERSPARK PLUG
    SPARK ARRESTER SCREEN 46mm
    SELF-TAPPING
    SCREWSEXHAUST FILTER
    14Proper storage preparation is essential for keeping your engine
    trouble-free and looking good. The following steps will help to
    keep rust and corrosion from impairing your engine’s function and
    appearance, and will make the engine easier to start when you use
    it again.
    If the engine has been running, allow it to cool for at least half an
    hour before cleaning. Clean all exterior surfaces, touch up any
    damaged paint, and coat other areas that may rust with a light film
    of oil.
    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 that passes through the
    air filter or muffler can enter the cylinder, causing damage.
    Gasoline will oxidize and deteriorate in storage. Deteriorated
    gasoline will cause hard starting, and it leaves gum deposits that
    clog the fuel system. If the gasoline in your engine deteriorates
    during storage, you may need to have the carburetor and other
    fuel system components serviced or replaced.
    The length of time that gasoline can be left in your fuel tank and
    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 tank promotes fuel deterioration. Very warm
    storage temperatures accelerate fuel deterioration. Fuel problems
    may occur within a few months, or even less if the gasoline was
    not fresh when you filled the fuel tank.
    Fuel system damage or engine performance problems resulting
    from neglected storage preparation are not covered under the
    Distributor’s Limited Warranty.
    You can extend fuel storage life by adding a gasoline stabilizer
    that is formulated for that purpose, or you can avoid fuel
    deterioration problems by draining the fuel tank and carburetor.
    When adding a gasoline 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.
    Add gasoline stabilizer following the manufacturer’s instructions.
    After adding a gasoline stabilizer, run the engine outdoors for 10
    minutes to be sure that treated gasoline has replaced the
    untreated gasoline in the carburetor.
    Stop the engine. Loosen the 5 mm hex bolt, then remove the top cover (see page
    ).
    Remove the 4 6 mm self-tapping screws from the spark
    arrester, and remove the spark arrester from the muffler.
    Pinch the exhaust filter, and strike it lightly with a finger, to
    remove carbon deposits. Be careful not to strike it too hard.
    The exhaust filter must be free of breaks and holes. If it is
    damaged or fouled excessively, have it serviced by your Honda
    dealer.
    Install the top cover, and tighten the 5 mm hex bolt securely (see
    page ). When you install the spark arrester, the spark arrester’s outlet
    must point to the side opposite the spark plug. Install the exhaust filter and spark arrester in the reverse order
    of disassembly. The spark arrester must be free of breaks and holes. Replace the
    spark arrester if it is damaged. Use a brush to remove carbon deposits from the spark arrester
    screen. Be careful to avoid damaging the screen.
    1.
    2.
    3. 2.
    3. 1.
    11
    1.
    2.
    11
    06/11/06 12:25:00 32Z6J600_014 
    						
    							Storage Precautions Draining the Fuel Tank and Carburetor
    Engine OilRemoval from Storage
    TRANSPORTING
    ENGLISH
    ENGINE OIL FILLER CAP
    PRIMING BULB
    FUEL FILLER NECK FUEL RETURN TUBE
    15 If your engine will be stored with gasoline in the fuel tank and
    carburetor, it is important to reduce the hazard of gasoline vapor
    ignition. Select a well-ventilated storage area 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-
    producing electric motor, or where power tools are operated.
    If possible, avoid storage areas with high humidity, because that
    promotes rust and corrosion.
    Keep the engine level in storage. Tilting can cause fuel or oil
    leakage.
    With the engine and exhaust system cool, cover the engine 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 engine,
    promoting rust and corrosion. Gasoline is highly flammable and explosive, and you
    can be burned or seriously injured when handling
    fuel.
    Stop engine and keep heat, sparks, and flame away.
    Wipe up spills immediately. Handle fuel only outdoors.
    Make sure the engine oil filler cap is tightened securely.
    Remove the fuel filler cap and drain the fuel into an approved
    gasoline container by tipping the engine toward the fuel filler
    neck.
    Press the priming bulb several times until there is no more fuel
    in the fuel return tube.
    Tip the engine toward the fuel filler neck again to drain the fuel.
    After all fuel has drained, reinstall the fuel filler cap securely.
    Change the engine oil (see page ).
    Loosen the 5 mm hex bolt, then remove the top cover (see page
    ).
    Remove the spark plug (see page ).
    Apply a couple of drops of clean engine oil into the cylinder.
    Install the top cover temporarily.
    Pull the starter grip several times to distribute the oil in the
    cylinder.
    Remove the top cover, then reinstall the spark plug.
    Install the top cover, and tighten the 5 mm hex bolt securely (see
    page ).
    Pull the starter grip slowly until resistance is felt.Check your engine as described in the
    BEFORE OPERATION
    CHECKS
    section of this manual (see page ).
    If the fuel was drained during storage preparation, fill the tank with
    fresh gasoline. If you keep a container of gasoline for refueling, be
    sure it contains only fresh gasoline. Gasoline oxidizes and
    deteriorates over time, causing hard starting.
    If the cylinder was coated with oil during storage preparation, the
    engine will smoke briefly at startup. This is normal.
    If the engine has been running, allow it to cool for at least 15
    minutes before loading the engine-powered equipment on the
    transport vehicle. A hot engine and exhaust system can burn you
    and can ignite some materials. 2. 1.
    3.
    1.
    2.
    3.
    4.
    5.
    6. 4.
    5.
    7.
    8.
    9.9
    114
    11
    11
    05/12/16 15:02:29 32Z6J600_015 
    						
    							µ
    TAKING CARE OF UNEXPECTED PROBLEMS TECHNICAL & CONSUMER INFORMATION
    ENGINE WILL
    NOT STARTPossible Cause Correction TECHNICAL INFORMATION
    Serial Number Location
    Remote Control Linkage
    Standard/Tiller type:
    Correction Possible Cause ENGINE LACKS
    POWER
    ENGLISH
    CABLE ATTACHMENT FITTING
    LOCK NUT
    THROTTLE CABLE
    ADJUST NUTSTAYENGINE TYPE
    ENGINE SERIAL NUMBER
    16Date Purchased: ______ / ______ / ______Engine type: ___ ___ ___ ___ Engine serial number: __ __ __ __ __ __ __ __ __ __ __
    The throttle control lever is provided with a fitting for cable
    attachment.
    Remove the air cleaner cover (see page ) for access to the
    throttle lever and cable fitting.
    Attach the throttle cable as shown in the illustration.
    To adjust the throttle cable, follow the equipment manufacturer’s
    instructions. Record the engine serial
    number, type and purchase
    date in the space below. You
    will need this information when
    ordering parts and when
    making technical or warranty
    inquiries. Choke open.
    Engine switch
    OFF.(on the
    equipment)
    Out of fuel.
    Bad fuel; engine
    stored without
    treating or
    draining
    gasoline, or
    refueled with
    bad gasoline.
    Spark plug faulty,
    fouled, or
    improperly
    gapped.
    Spark plug wet
    with fuel
    (flooded engine).
    Fuel filter
    restricted,
    carburetor
    malfunction,
    ignition
    malfunction,
    valves stuck, etc. Check control
    positions.
    Check fuel.
    Remove and
    inspect spark
    plug.
    Take engine to
    an authorized
    Honda
    servicing
    dealer, or refer
    to shop
    manual.
    Filter element
    restricted.
    Bad fuel; engine
    stored without
    treating or
    draining
    gasoline, or
    refueled with
    bad gasoline.
    Fuel filter
    restricted,
    carburetor
    malfunction,
    ignition
    malfunction,
    valves stuck, etc. Check air filter.
    Check fuel.
    Take engine to
    an authorized
    Honda
    servicing
    dealer, or refer
    to shop
    manual.Clean or replace
    filter element
    (p. 10).
    Drain fuel tank and
    carburetor (p. 15).
    Refuel with fresh
    gasoline (P. 8).
    Replace or repair
    faulty components
    as necessary. Move lever to
    CLOSED position
    unless the engine
    is warm.
    Turn engine switch
    to ON position.
    Refuel (p. 8).
    Drain fuel tank and
    carburetor (p. 15).
    Refuel with fresh
    gasoline(p. 8).
    Gap or replace
    spark plug (p. 11).
    Allow the spark
    plug to dry. After
    drying, install the
    spark plug and
    start the engine
    (p. 4).
    Replace or repair
    faulty components
    as necessary. 1.
    2.
    3.
    4.
    1.
    2.
    3.10
    05/12/16 15:02:48 32Z6J600_016 
    						
    							ENGLISH
    Carburetor Modifications for High Altitude Operation Emission Control System Information
    Source of Emissions
    The U.S., California Clean Air Acts and Environment Canada
    Tampering and Altering
    Problems That May Affect Emissions
    Replacement Parts
    17
    When the carburetor has been modified for high altitude operation,
    the air-fuel mixture will be too lean for low altitude use. Operation
    at altitudes below 1,500 meters (5,000 feet) with a modified
    carburetor may cause the engine to overheat and result in serious
    engine damage. For use at low altitudes, have your servicing
    dealer return the carburetor to original factory specifications.
    Even with carburetor modification, engine horsepower will
    decrease about 3.5% for each300-meter (1,000-foot) increase in
    altitude. The effect of altitude on horsepower will be greater than
    this if no carburetor modification is made. High altitude performance can be improved by specific
    modifications to the carburetor. If you always operate your engine
    at altitudes above 1,500 meters (5,000 feet), have your servicing
    dealer perform this carburetor modification. This engine, when
    operated at high altitude with the carburetor modifications for
    high altitude use, will meet each emission standard throughout its
    useful life. 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 that
    at which this engine was certified, for extended periods of time,
    may increase 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. Carbon monoxide does not react in the same way, but it
    is toxic.
    Honda utilizes lean carburetor settings and other systems to
    reduce the emissions of carbon monoxide, oxides of nitrogen, and
    hydrocarbons.
    EPA, California and Canadian regulations require all
    manufacturers to furnish written instructions describing the
    operation and maintenance of emission control systems.
    The following instructions and procedures must be followed in
    order to keep the emissions from your Honda engine within the
    emission standards.
    Tampering with or altering the emission control system may
    increase emissions beyond the legal limit. Among those acts that
    constitute tampering are:
    Removal or alteration of any part of the intake, fuel, or exhaust
    systems.
    Altering or defeating the governor linkage or speed-adjusting
    mechanism to cause the engine to operate outside its design
    parameters.
    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.
    The emission control systems on your Honda engine were
    designed, built, and certified to conform with EPA, California and
    Canadian emission regulations. We recommend the use of
    genuine Honda parts whenever you have maintenancedone.
    These original-design replacement parts are manufactured to the
    same standards 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 rebuilder of the part must certify that use of the
    part will not result in a failure of the engine to comply with
    emission regulations.
    06/11/07 17:37:03 32Z6J600_017 
    						
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    ENGLISH
    Air Index Specifications
    Maintenance
    Applicable to Emissions Durability Period
    Descriptive Term GX25 (Basic types)
    GX35 (Basic types)
    18 Follow the maintenance schedule on page . Remember that this
    schedule is based on the assumption that your machine will be
    used for its designed purpose. Sustained high-load or high-
    temperature operation, or use in unusually wet or dusty conditions,
    will require more frequent service.
    The durability description is intended to provide you with
    information relating to the engine’s emission durability period.
    The descriptive term indicates the useful life period for the engine’s
    emission control system. See your
    Emission Control System
    Warranty
    for additional information.
    The bar graph is intended to provide you, our customer, the ability
    to compare the emissions performance of available engines. The
    lower the Air Index, the less pollution. 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.
    Type
    S3
    (Standard)
    (Without tank guard)
    192 mm (7.6 in)
    221 mm (8.7 in)
    230 mm (9.1 in)
    2.78 kg
    (6.13 lbs)
    25 cm
    (1.5 cu-in)
    [3526mm(1.41.0in)]
    0.72  kW (1.0  PS, 1.0 bhp)  at 7,000  rpm
    4-stroke, overhead camshaft, single cylinder GCART
    W3
    (Pump) T3
    (Tiller)
    247 mm (9.7 in) 192 mm
    (7.6 in)
    221 mm (8.7 in) 210 mm
    (8.3 in)
    230 mm (9.1 in) 236 mm
    (9.3 in)
    3.10 kg
    (6.83 lbs) 2.96 kg
    (6.53 lbs)
    Power equipment
    description code
    Length
    Width
    Height
    Dry weight
    (Without clutch)
    Engine type
    Displacement
    [Bore Stroke]
    Max. output
    Max. torque
    Engine oil
    capacity
    Fuel tank
    capacity
    Fuel consumption
    Cooling system
    Ignition system
    PTO shaft rotation 1.0 
    N·m  (0.10  kgf·m,  0.74 lbf·ft)
    at 5,000 rpm
    0.08
    (0.08 US qt , 0.07 Imp qt)
    0.58
    (0.153 US gal ,
    0.128 Imp gal) 0.54     /h at 7,000 rpm Forced air
    Transistorized magneto Counterclockwise
    Type S3
    (Standard)
    (Without tank guard) TR3
    (Tiller)
    T3
    (Tiller)
    GCAST
    198 mm (7.8 in)
    234 mm (9.2 in)
    240 mm (9.4 in) 198 mm
    (7.8 in)
    243 mm (9.6 in)
    242 mm (9.5 in) 198 mm
    (7.8 in)
    243 mm (9.6 in)
    242 mm (9.5 in)
    3.33 kg
    (7.34 lbs) 3.52 kg
    (7.76 lbs) 3.52 kg
    (7.76 lbs)
    4-stroke, overhead camshaft, single cylinder 35.8 cm
    (2.18 cu-in)
    [3930mm(1.51.2in)]
    0.10
    (0.11 US qt , 0.09 Imp qt) 0.70
    (0.185 US gal ,
    0.154 Imp gal)
    0.71   /h at 7,000 rpm Forced air
    Transistorized magneto Counterclockwise
    Power equipment
    description code
    Length
    Width
    Height
    Dry weight
    (Without clutch)
    Engine type
    Displacement
    [Bore Stroke]
    Max. output
    Max. torque
    Engine oil
    capacity
    Fuel tank
    capacity
    Fuel consumption
    Cooling system
    Ignition system
    PTO shaft rotation
    1.6 
    N·m  (0.16  kgf·m,  1.2 lbf·ft)
    at 5,500 rpm
    1.0 
    kW  (1.4  PS, 1.3 bhp)  at 7,000  rpm
    Moderate 50 hours [0 80 cm
    (0 80 cc) inclusive]
    125 hours [greater than 80 cm
    (80 cc)]
    Intermediate 125 hours [0 80 cm
    (0 80 cc) inclusive]
    250 hours [greater than 80 cm
    (80 cc)]
    Extended 300 hours [0 80 cm
    (0 80 cc) inclusive]
    500 hours [greater than 80 cm
    (80 cc)]
    1,000 hours [225 cm
    (225 cc) and greater]
    The Air Index Information hang tag/label must remain on the
    engine until it is sold. Remove the hang tag before operating the
    engine. 7
    0.57(0.151 US gal ,
    0.125 Imp gal)
    0.63
    (0.166 US gal ,
    0.139 Imp gal)
    06/11/06 12:26:52 32Z6J600_018 
    						
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    ENGLISH
    Tuneup Specifications
    Quick Reference InformationITEM SPECIFICATION MAINTENANCEWiring Diagrams
    Pump type: Standard/Tiller type:
    19 Spark plug gap
    Idle speed
    Valve clearance
    (cold)
    Other
    specificationsNo other adjustments needed. 0.60 0.70 mm
    (0.024 0.028 in)
    3,100 200 rpm
    IN: 0.08 0.02 mm
    EX: 0.11 0.02 mmRefer to page: 11
    See your
    authorized
    Honda dealer
    U.S.
    Except
    U.S.Pump octane rating 86 or higher
    Research octane rating 91 or higher
    Pump octane rating 86 or higher Unleaded gasoline (Refer to page 8) Fuel
    Engine oil
    Spark plug
    MaintenanceCM5H (NGK)
    CMR5H (NGK) SAE 10W-30, API SJ or later, for general use.
    Refer to page 8.
    Before each use:
    Check engine oil level. Refer to page 9.
    Check air filter. Refer to page 10.
    First 10 hours:
    Change engine oil. Refer to page 9.
    Subsequent:
    Refer to the maintenance schedule on page 7.
    Bl BlackENGINE SWITCH SPARK PLUG
    IGNITION COIL
    Engine switch on the equipment
    powered by the engine. (1)
    (2)
    (3)
    (4)
    ON OFF
    06/11/06 12:27:06 32Z6J600_019 
    						
    							¬­ Canada: United States, Puerto Rico, and U.S. Virgin Islands: Distributor/Dealer Locator Information
    CONSUMER INFORMATION
    For European Area:
    Customer Service Information
    United States, Puerto Rico, and U.S. Virgin Islands:
    All Other Areas:
    Honda’s Office
    United States, Puerto Rico, and U.S. Virgin Islands:
    American Honda Motor Co., Inc.Canada:
    Honda Canada, Inc.
    For European Area:
    Honda Europe NV.
    All Other Areas:
    ENGLISH20 or visit our website: www.honda.ca Call (888) 9HONDA9 or visit our website: www.honda-engines.com Call (800) 426-7701
    visit our website: http://www.honda-engines-eu.com
    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, General Manager, or Owner can help.
    Almost all problems are solved in this way.
    If you are dissatisfied with the decision made by the dealership’s
    management, contact the Honda Regional Engine Distributor for
    your area.
    If you are still dissatisfied after speaking with the Regional Engine
    Distributor, you may contact the Honda Office as shown.
    If you are dissatisfied with the decision made by the dealership’s
    management, contact the Honda Office as shown.
    When you write or call, please provide this information:
    Equipment manufacturer’s name and model number that the
    engine is mounted on
    Name of dealer who sold the engine to you
    Name, address, and contact person of the dealer who services
    your engine
    Date of purchase
    Your name, address and telephone number
    A detailed description of the problem
    Power Equipment Division
    Customer Relations Office
    4900 Marconi Drive
    Alpharetta, GA 30005-8847715 Milner Avenue
    Toronto, ON
    M1B 2K8
    Telephone: (888) 9HONDA9
    (888) 946-6329
    (416) 299-3400
    (416) 287-4776
    (877) 939-0909
    (416) 287-4776Toll free
    Local Toronto dialing area
    Local Toronto dialing area
    Toll free
    Local Toronto dialing area Facsimile:English:
    French:
    Or telephone: (770) 497-6400, 8:30 am - 8:00 pm ESTEuropean Engine Center
    http://www.honda-engines-eu.com
    Please contact the Honda distributor in your area for assistance.
    Engine model, serial number, and type (see page )16
    05/12/16 15:04:22 32Z6J600_020 
    						
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