Honda GXI 20 Owner's Manual
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Honda GXI 20 Owner's Manual

Honda engine owner's manual
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Summary of Contents for Honda GXI 20

  • Page 1 Click SAVE to save this manual to your computer. Thank you for choosing Honda.
  • Page 3 Thank you for purchasing a Honda engine. This manual covers the operation and maintenance eng~ines and is based o n G X I 60 engine. The QXE type is equipped for both electric and manual starting; other types are equipped for manual starting onl$.

  • Page 4: Table Of Contents

    CONTENTS ENGINE SAFETY COMPONENT IDENTIFICATION BATTERY CONNECTIONS (for electric starter) REMOTE CONTROL LINKAGE PRE-OPERATION CHECK ENGINE OIL REDUCTION GEAR OIL AIR CLEANER FUEL GASOLINE CONTAINING ALCOHOL STARTING THE ENGINE OPERATION Oil Alert System STOPPING THE ENGINE High altitude operation MAINTENANCE Oil change Air cleaner service Sediment cup cleaning...

  • Page 5: Engine Safety

    eonda engines are designed t o give safe and dependable service ated according t o instructions. Read and understand this Owner’s Manual before operating the engine. Failure to do sonal injury or equipment damage. To prevent fire hazards and t o provide adequate ventilation, keep the engine at least 1 meter ment during operation.

  • Page 6: Component Identification

    2. COMPONENT IDENTIFICATION MUFFLER SPARK PLUG AIR CLEANER CHOKE LEVER FUEL FUEL FILLER CAP OIL DRAIN PLUG Record the engine model, type and serial number information for your reference. Refer to this information when ordering parts, and when mak- ing technical or warranty inquiries (see page 36). Engine model type and serial number: VALVE STARTER GRIP...

  • Page 7: Battery Connections (For Electric Starter)

    Use a 12 volt battery with an ampere-hour rating of at least 18 AH. Connect the battery positive shown. Connect the battery negative bolt, or other good engine ground connection. Check the battery cable connections t o be sure the cables are secured and free of corrosion.

  • Page 8: Remote Control Linkage

    REMOTE CONTROL LINKAGE (for throttle and choke cables) The throttle and choke control levers are provided with holes for optional cable attachment. The following illustrations show installation examples for a solid wire cable and for a braided wire cable. If using a braided wire cable, add a return spring as shown.

  • Page 9: Pre-Operation Check

    I. ENGINE OIL NOTICE Engine oil is life. Non-detergent oils and vegetable oils are Be sure to check the engine on a level surface with the engine stopped. Honda 4-stroke equivalent high-detergent, premium quality motor oil certified to meet or exceed U.S.

  • Page 10: Reduction Gear Oil

    REDUCTION GEAR OIL (Only on equipped model) <I reduction with automatic centrifugal clutch> 1. Remove the oil filler cap and wipe the dipstick clean. 2. Insert the dipstick into the filler neck but do not screw 3. If the level is low, mended the engine (see engine oil recommendations on page...

  • Page 11: Air Cleaner

    3. AIR CLEANER Never run the engine without the air cleaner. Rapid engine wear will result from contaminants, such as dust and dirt, being drawn through the: carburetor and into the engine. <Dual element type> Check the air cleaner elements t o be sur~e they are clean and in good con- diti~on.
  • Page 12 <Oil bath type> 1 . Check the air cleaner element t o be sure it is clean and in good condi- tion. Clean or replace the element if necessary (page 24). 2. Check oil level and condition. OIL LEVEL...

  • Page 13: Fuel

    4. FUEL Your engine is designed ‘ 2 of 86 or higher, or number tanle number of 91 or higher. Gasoline pumps a t service station normally display the pump octane number. We recommend that you use unleaded fuel because engine and spark plug deposits and extends components.

  • Page 14: Gasoline Containing Alcohol

    GASOLINES CONTAINING ALCOHOL If you decide t o use a gasoline containing alcohol (gasohol), be sure its oc- tane rating is a t least as high as that recommended by Honda. There are t w o types of "gasohol": one containing ethanol, and the other containing methanol.

  • Page 15: Starting The Engine

    6. STARTING THE ENGINE 1. Turn the fuel valve to the ON position. FUEL VALVE CLOSE Move the choke lever to the position. NOTE: The choke may not be needed the engine is warm or the air temperature is high. CHOKE LEVER...
  • Page 16 3. Move the throttle lever slightly to the left. 4. Start the engine. With recoil starter: Turn the engine switch to the ON position. THROTTLE LEVER ENGINE SWITCH (Type with electric starter and oil alert system)
  • Page 17 Pull the starter grip lightly until resistance is felt, then pull briskly. Do not allow the starter grip to snap back against the Return it gently to prevent damage to the starter. With electric starter: Turn the engine switch to the engine starts.

  • Page 18: Operation

    OPERATION 1. As the engine warms up, gradually move the choke lever to the OPEN position. CHOKE LEVER 2. Position the throttle lever for the desired engine speed. THROTTLE LEVER...
  • Page 19 0il.Alert System The Oil Alert system is designed to prevent engine damage caused insufficient amount of oil crankcase can fall below a safe limit, the ly shut down the engine (the engine switch will remain If the Oil Alert system shuts down the when you operate the starter, and the engine will not run.

  • Page 20: Oil Alert System

    8. STOPPING THE ENGINE To stop the engine in an emergency, turn the engine switch to the OFF position. Under normal conditions, use the following procedure: 1 . Move the throttle lever fully to the right. THROTTLE LEVER 2. Turn the engine switch to the OFF position. (Type with electric starter and oil alert system)

  • Page 21: High Altitude Operation

    Turn the fuel valve t o t h e FUEL VALVE *High altitude operation A t high altitude, the standard carburetor air-fuel mixture will be excessive- ly rich. Performance will decrease, and fuel consumption will increase. High altitude performance can be improved by installing main fuel jet in the carburetor and readjusting the pilot screw.

  • Page 22: Maintenance

    9. MAINTENANCE The purpose of the maintenance and adjustment schedule is t o keep the engine in good operating condition. Inspect or service as scheduled in the table below. Shut off the engine before performing any maintenance. If the engine must be run, make sure the area is well ventilated. The exhaust contains poisonous carbon monoxide gas.

  • Page 23: Oil Change

    change Drain the oil while the engine draning. 1 . Remove the oil filler cap and drain plug t o drain the oil. Install the drain plug and tighten 3. Refill with the recommended oil (see page 7) and check the oil level. 4.

  • Page 24: Air Cleaner Service

    2. Air cleaner service A dirty air cleaner will restrict air f l o w t o the carburetor. To prevent car- buretor malfunction, service the quently when operating the engine in extremely dusty areas. Never use gasoline or low flash point solvents for cleaning the air cleaner element.
  • Page 25 <C:yclone type> 1 . Remove the wing nut and the air cleaner cover. Remove the ments and separate them. fully check both elements for holes or tears and replace if damaged. 2. Foam element: Wash the element in a solution of household deter- gent and warm water, then rinse thoroughly, or wash mable or high flash point solvent.
  • Page 26 <Oil bath type> 1. Unscrew the wing nut, remove the air cleaner cover and remove the element. 2. Wash the element water, then rinse thoroughly, point solvent. Allow the element to dry thoroughly. 3. Soak the element in clean engine oil and squeeze out the excess oil. The engine will smoke during initial start-up if too much oil is left element.

  • Page 27: Sediment Cup Cleaning

    Sediment cup cleaning Gasoline is extremely flammable and is explosive under certain conditions. Do not smoke or allow flames or sparks in the area. Turn the fuel valve to OFF. Remove the sediment cup and O-ring and wash them in nonflammable or high flash point solvent. Dry them thoroughly and reinstall securely.

  • Page 28: Spark Plug Service

    4. Spark plug service Recommended spark plug: BPRGES (NGK) Never use a spark plug of incorrect heat range. ensure proper engine operation, the spark plug must be properly gap- ped and free of deposits. 1. Remove the spark plug cap and use a spark plug wrench to remove the Plug.
  • Page 29 4. ,Check that the spark plug washer is in good condition and thread the !spark plug in by hand t o prevent cross-threading. 5. ;After the spark plug is seated, tighten ;press the washer. NOTE: When installing a n e w spark plug seats t o compress the washer.

  • Page 30: Spark Arrester Maintenance

    5. Spark arrester maintenance (optional part) If the engine has been running, the muffler will be very hot. Allow it to cool before proceeding. 1. Remove the t w o 8 mm nuts 2. Remove the three 4 mm screws Remove the eight 5 mm screws from the muffler 4.

  • Page 31: Carburetor Adjustment

    'Carburetor adjustment 1. start the engine and allow temperature. 2. With the engine idling, turn the pilot screw produces the highest idle rpm. Usually the correct setting will be found t o be: Dual element type Oil bath type Cyclone type Do not tighten the pilot screw against its seat;...

  • Page 32: Transporting/Storage

    10. TRANSPORTING/STORAGE When transporting the engine, turn the fuel valve to the OFF position and keep the engine level to prevent fuel spillage. Fuel vapor or spilled fuel may ignite. Before storing the unit for an extended period; 1. Be sure the storage area is free 2.

  • Page 33: Troubleshooting

    Engine will not start using recoil starter: the engine switch in the ON position? (See page 14.) 2. ,If equipped with oil alert, does the oil alert lamp flash when the starter is :operated? (See page the fuel valve there fuel in the fuel tank? (See page 4.) gasoline reaching the carburetor? To check, loosen the drain screw with the fuel valve on.
  • Page 34 Engine will not start using electric starter: 1. Are the battery cables securely connected and free of corrosion? the battery fully charged? NOTE: If the engine does not charge the battery, check the circuit breaker. 3. If the starter motor operates but the engine will not start, follow the troubleshooting procedures described under "engine will not start us- ing the recoil starter".

  • Page 35: Specifications

    GX120 Dl,MENSlONS AND W,EIGHT Description code GCOI Length x Width x Height Dry weight 12.0 ka (26.5 Engine type Displacement [Bore x Stroke] Max. output Fuel consumption system P I 0 shaft rotation GX160 DIMENSIONS AND WEIGHT Description code Length x Width x Height Dry weight Engine type Displacement...
  • Page 37 IGNmlON SWITCH NOTE: Wiring diagrams may vary according to the types.

  • Page 38: Warranty Service

    14. WARRANTY SERVICE Owner Satisfaction Your satisfaction and goodwill are important to your dealer and t o us. All Honda warranty details are explained in the Distributor’s Limited Warran- Warranty service is available Power Equipment Engines sign. To locate dealers in your area, look in the yellow pages of your telephone directory under Gasoline Engines, Garden &...

This manual is also suitable for:

Gxi 60Gx120Gx160

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