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Honda GX110 Owner's Manual

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  Summary of Contents for Honda GX110

  • Page 3 All information in this publication is based on the latest product in- formation available at the time of printing. Honda Motor Co., Ltd. reserves the right to make changes at any time without notice and without incurring any obligation.
  • Page 4: Table Of Contents

    CONTENTS SAFETY INSTRUCTIONS ..................... COMPONENT IDENTIFICATION ......BATTERY CONNECTIONS (for electric starter) REMOTE CONTROL LINKAGE ..........PRE-OPERATION CHECK ............STARTING THE ENGINE ............OPERATION ................ STOPPING THE ENGINE ....................... High altitude operation ..............MAINTENANCE ........... TRANSPORTING/STORAGE ............
  • Page 5: Safety Instructions

    1. SAFETY lNSTRU.KTlOMS To ensure safe operation To prevent fire hazards and to provide adequate ventilation, keep the engine at least 3 ft away from buildings and other equipment during operation. Do not place flammable objects such as gasoline, matches, etc., close to the engine while...
  • Page 6: Component Identification

    2. COMPONENT IDENTIFICATOON MUFFLER THROTTLE LEVER SPARK PLUG- AIR CLEANE RECOIL STARTER CHOKE LEVER S*ARTER GRIP FUEL VALVE FUEL FILLER CAP ENGINE SWITCH SERIAL NUMBER AN ENGINE TYPE FILLER OIL DRAIN PLUG...
  • Page 7: Battery Connections (For Electric Starter)

    3. BATTERY CONNECTIONS (for electric starter) Use a 12 volt battery with an ampere-hour rating of at least 18 AH. Connect the battery positive (+) cable to the starter solenoid terminal as shown. Connect the battery negative (-1 cable to an engine mounting bolt, frame bolt, or other good engine ground connection.
  • Page 8: Remote Control Linkage

    4. REMOTE CONTROL LBNMAGE (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

    Non-detergent oils and vegetable oils are not recommended. 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. automobile manufac- turer’s...
  • Page 10 2. REDUCTION GEAR OIL <l/2 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 it in. 3. If the level is low, fill to the upper level mark with the same oil recom- mended for the engine (see engine oil recommendations on page 7).
  • Page 11 3. AIR CLEANER CAUTION: 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 to be sure they are clean and in good condition.
  • Page 12 <Oil bath type> 1. Check the air cleaner element to be sure it is clean and in good condition. Clean or replace the element if necessary (page 24). 2. Check oil level and condition. OIL CEVEL...
  • Page 13 Honda’s Limited Warranty. Occasionally you may experience light spark knock while operating under heavy loads. This is no cause for concern, it simply means your engine is operating efficiently.
  • Page 14 ALCOHOL If you decide to use a gasoline containing alcohol (gasohol), be sure it’s oc- tane rating is at least as high as that recommended by Honda. There are two 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. 2. Move the ‘choke lever to the CLOSE position. NOTE: Do not use the choke if the engine is warm or the air temperature high.
  • 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. (Type with electric starter and oil alert system)
  • Page 17 Pull the starter grip lightly until resistance is felt, then pull briskly. CAUTION: Do not allow the starter grip to snap back against the engine. Return it gently to prevent damage to the starter. With electric starter: Turn the engine switch to the START position and hold it there until the engine starts.
  • Page 18: Operation

    7. OPERATION 1 .‘As the engine warms up, gradually move the choke lever to the OPEN position. 2. Position the throttle lever for the desired engine speed.
  • Page 19 Oil Alert System The Oil Alert system is designed to prevent engine damage caused by an in- sufficient amount of oil in the crankcase. Before the oil level in the crankcase can fall below a safe limit, the Oil Alert system will automatically shut down the engine (the engine switch will remain in the ON position).
  • Page 20: Stopping The Engine

    8. STOPPING TlilE 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. 2. Turn the engine switch to the OFF position. (Type with electric starter and oil alert system)
  • Page 21: High Altitude Operation

    High altitude performance can be improved by installing a smaller diameter main fuel jet in the carburetor and readjusting the pilot screw. If you always operate the engine at altitudes higher than 6,000 feet above sea level, have Honda Engine dealer perform...
  • Page 22: Maintenance

    Fuel line necessarvl NOTE: (1) Service more frequently when used in dusty areas. (2) These items should be serviced by an authorized Honda dealer, unless the owner has the proper tools and is mechanically proficient. See the Honda Shop Manual.
  • Page 23 ,I. Oil change Drain the oil while the engine is still warm to assure rapid and complete draning. 1. Remove the oil filler cap and drain plug to drain the oil. 2. Install the drain plug and tighten it securely. 3.
  • Page 24 2. Air cleaner service A dirty air cleaner will restrict air flow to the carburetor. To prevent car- buretor malfunction, service the air cleaner regularly. Service more fre- quently when operating the engine in extremely dusty areas. Never use gasoline qr low flash point solvents for cleaning air cleaner...
  • Page 25 <Cyclone type> 1 .Remove the wing nut and the air SPECIAL PAN SCREW (3) cleaner cover. Remove the ele- E-CLEANER CAP ments and separate them. Care- fully check both elements for holes or tears and replace if damaged. 2.Foam element: Wash the element in a solution of household deter-...
  • Page 26 <Oil bath type> 1. Unscrew the wing nut, remove the air cleaner cover and remove the element. 2. Wash the element in a solution of household detergent and warm water, then rinse thoroughly, or wash in nonflammable or high flash point sol- vent.
  • Page 27 3. Sediment cup cleaning 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 reinstall securely. Turn the fuel valve ON and check for leaks.
  • Page 28 4. Spark plug service Recommended spark plug: BPRGES (NGK) W20EPR-U (ND) CAUTION: Never use a spark plug of incorrect heat range. To ensure proper engine operation, the spark plug must be properly gapped 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 to prevent cross-threading. 5. After the spark plug is seated, tighten with a spark plug wrench to com- press the washer. NOTE: When installing a new spark plug, tighten l/2 turn after the spark plug seats to compress the washer.
  • Page 30 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 three 4 mm screws @ from the exhaust deflector @ , and remove the deflector. 2.
  • Page 31 6. Carburetor adjustment 1. Start the engine and allow it to warm up to normal operating temperature. 2. With the engine idling, turn the pilot screw in or out to the setting that produces the highest idle rpm. The correct setting will usually Dual-element...
  • Page 32: Transporting/Storage

    10. TRANSP0RTUNG/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 of excessive humidity and dust.
  • Page 33: Troubleshooting

    If there is no spark, replace the plug. If OK, reinstall the spark plug and try to start the engine again accord- ing to the instructions. 7. If the engine still does not start, take the engine to an authorized Honda dealer.
  • Page 34 Engine will not start using electric starter: 1. Are the battery cables securely connected and free of corrosion? 2. Is 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 recoil starter operation.
  • Page 35: Specifications

    12. SPECIFICATIONS “0” TYPE-DUAL-ELEMENT OR OIL BATH AIR CLEANER GX140 GXI 10 Dimensions 325 x 365 x 335 mm Length ’ Width ’ Height 320 x 345 x 320 mm (12.8 x 14.4 x 13.2 x 13.6 qc 12.6 325 x 385 x 335 mm (12.6 (12.8 x 15.2 x 13;2 in)
  • Page 37 CONTROL BOX BLOCK OIL ALERT UNIT *’ BllW BllW -OlI- Bl/W - BllW MAIN FUSE CIRCUIT DIODE COMBINATION l5A BLADE PROTECTOR SWITCH TYPE) OIL LEVEL CHARGE STARTER BATTERY SWITCH MOTOR COIL...
  • Page 38: Warranty Service

    Your purchase of a Honda engine is greatly appreciated by both your dealer and American Honda Motor Co., Inc. We want to assist you in every way possible to assure your complete satisfaction with your purchase.
  • Page 39 If you are dissatisfied with the decision made by the dealership's management, contact the Honda Regional Engine Distributor for your area (www.honda-engines.com/dea.htm). If you are still dissatisfied after speaking with the Regional Engine Distributor, you may contact the Honda Office as shown.

This manual is also suitable for:

Gx140