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Honda GXV610 Owner's Manual

Lpg-fueled engine.
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Owner's Manual
LPG-Fueled Engine


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    HONDA E N G I N E S Owner’s Manual GXV610 GXV620 LPG-Fueled Engine...

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    The information and specifications included in this publication were in effect at the time of approval for printing. Honda Motor Co., Ltd. reserves the right, however, to discontinue or change specifications or design at any time without notice and without incurring any obligation whatever.

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    INTRODUCTION Congratulations on your selection of a Honda engine. We are certain you will be pleased with your purchase of one of the finest engines on the market. We want to help you get the best results from your new engine and to operate it safely.

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    INTRODUCTION A FEW WORDS ABOUT SAFETY Your safety and the safety of others are very important. And using this engine 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 that could hurt you or others.

  • Page 5: Table Of Contents


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    TECHNICAL & CONSUMER INFORMATION ............... TECHNICAL INFORMATION ..............Serial Number Location ................ Battery Connections ..............Remote Control Linkage ..........Emission Control System Information .................. Specifications .............. CONSUMER INFORMATION ................. Honda Publications ............Warranty Service Information ......QUICK REFERENCE INFORMATION Inside back cover...

  • Page 7: Engine Safety

    Owner Responsibilities and dependable service if Honda engines are designed to give safe operated according to instructions. Read and understand this owner's manual before operating the engine. Failure to do so could result in personal injury or equipment damage.

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    ENGINE SAFETY Carbon Monoxide Hazards Exhaust gas contains poisonous carbon monoxide. Avoid inhalation of ex- haust gas. Never run the engine in a closed garage or confined area. Other Equipment Review the instructions provided with the equipment powered by this engine for any additional safety precautions that should be observed in conjunction with engine startup, shutdown, or operation, or protective apparel that may be needed to operate the equipment.

  • Page 9: Controls & Features


  • Page 10: Controls

    CONTROLS & FEATURES CONTROLS 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.

  • Page 11: Throttle Lever

    CONTROLS & FEATURES Throttle Lever The throttle lever controls engine speed. Some engine applications use a remotely-mounted throttle control rather than the engine-mounted throttle lever shown here. SLOW THROITLE LEV...

  • Page 12: Before Operation

    BEFORE OPERATION IS YOUR ENGINE 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 engine 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 engine.

  • Page 13: Check The Engine

    BEFORE OPERATION Check the Engine Check the engine oil level (see page 21). Running the engine with a low oil level can cause engine damage. Check the air filter (see page 26). A dirty air filter will restrict air flow to the carburetor, reducing engine performance.

  • Page 14: Operation

    SAFE OPERATING PRECAUTIONS the lMPORTANT Before operating the engine for the first time, please review SAFETY INFORMATION on page 5 and the chapter titled BEFORE OPERA- TION. Carbon monoxide gas is toxic. Breathing itcancauseunconsciousnessandeven kill you. Avoid any areas or actions that expose you to carbon monoxide.

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    OPERATION 2. To start a cold engine, pull the choke lever to the CLOSED position. To restart a warm engine, leave the choke lever in the OPEN position. Some engine applications use a remotely-mounted choke control rather than the engine-mounted choke lever shown here. 3.

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    ON position. 4. Turn the engine switch to the 5. Operate the starter. Turn the key to the START position, and hold it there until the engine starts. If the engine fails to start within 5 seconds, release the key, and wait at least 10 seconds before operating the starter again.

  • Page 17: Stopping The Engine

    OPERATION STOPPING THE ENGINE To stop the engine in an emergency, simply turn the engine switch to the position. Under normal conditions, use the following procedure. 1. Move the throttle lever to the SLOW position. Some engine applications use a remotely-mounted throttle control rather than the engine-mounted throttle lever shown here.

  • Page 18: Setting Engine Speed

    OPERATION SETTING ENGINE SPEED Position the throttle lever for the desired engine speed. Some engine applications use a remotely-mounted throttle control rather than the engine-mounted throttle lever shown here. For engine speed recommendations, refer to the instructions provided with the equipment powered this engine.

  • Page 19: The Importance Of Maintenance

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  • Page 20: Servicing Your Honda Engine

    SERVICING YOUR HONDA ENGINE MAINTENANCE SAFETY Some of the most important safety precautions follow. However, we cannot warn you of every conceivable hazard that can arise in performing mainte- nance. Only you can decide whether or not you should perform a given task.

  • Page 21: Maintenance Schedule

    Service more frequently when used in dusty areas. (2) These items should be serviced by your servicing dealer, unless you have the proper tools and are mechanically proficient. Refer to the Honda shop manual for service procedures. (3) For commercial use, hours of operation to determine proper mainte- nance intervals.

  • Page 22: Fuel Recommendations

    SERVICING YOUR HONDA ENGINE FUEL RECOMMENDATIONS Use LPG with a propane content 95% or higher. This engine is certified to operate on LPG only. Occasionally you may hear a light “spark knock” or “pinging” (metallic rapping noise) while operating under heavy loads. This is no cause for concern.

  • Page 23: Engine Oil Level Chec Tg

    SERVICING YOUR HONDA ENGINE 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.

  • Page 24: Engine Oil Change

    SERVICING YOUR HONDA ENGINE 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 bolt.

  • Page 25: Oil Filter Change

    Discard the used oil filter. SEAL NOTICE Use only a genuine Honda oil filter or a filter of equivalent quality specified for your model. Using the wrong filter, or a non-Honda filter which is not of equivalent quality, may cause engine damage.

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    SERVICING YOUR HONDA ENGINE 4. Screw on the new oil filter by hand until the seal contacts the filter mounting base, then use an oil filter wrench to tighten the filter an additional 718 turn. Oil filter tightening torque: 16 ft-lb (22 Nom, 2.2 kg-m).

  • Page 27: Engine Oil Recommendations

    Oil is a major factor affecting performance and service life. Use 4-stroke automotive detergent oil that is designed for engines operating on LPG. SAE 30 (API service classification SG minimum) is recommended for general use. The following are examples of oils that meet Honda's requirements for LPG-fueled engines: Pennzoil HD 30...

  • Page 28: Air Filter Inspection

    SERVICING YOUR HONDA ENGINE AIR FILTER INSPECTION Remove the air cleaner cover and inspect the filter elements. Clean or replace dirty filter elements. Always replace damaged filter elements. Refer to page 27 for instructions that apply to the air cleaner and filter.

  • Page 29: Air Cleaner Service

    SERVICING YOUR HONDA ENGINE AIR CLEANER SERVICE A dirty air filter will restrict air flow to the carburetor, reducing engine performance. If you operate the engine in very dusty areas, clean the air filter more often than specified in the MAINTENANCE SCHEDULE (see page 19).

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    SERVICING YOUR HONDA ENGINE 5. Clean the air filter elements if they are to be reused. Paper filter element: Tap the filter element several times on a hard surface to remove dirt, or blow compressed air [not exceeding 30 psi (207 kPa, 2.1 kg/cm2)] through the filter element from the air cleaner cover side.

  • Page 31: Spark Plug Service

    SERVICING YOUR HONDA ENGINE SPARK PLUG SERVICE Recommended spark plugs: BPR5ES (NGK) WIGEPR-U (DENSO) NOTICE Incorrect spark plugs can cause engine damage. 1. Disconnect the spark plug caps, and remove any dirt from around the spark plug area. 2. Remove the spark plugs with a 13/1 &inch spark plug wrench.

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    SERVICING YOUR HONDA ENGINE 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 112 turn after the spark plug seats.

  • Page 33: Spark Arrester Maintenance (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 hours to keep it functioning as designed.

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    SERVICING YOUR HONDA ENGINE 3. 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.

  • Page 35: Helpful Tips & Suggestions

    HELPFULTIPS SUGGESTIONS STORING YOUR ENGINE Storage Preparation Proper storage preparation is essential for keeping your engine troublefree 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.

  • Page 36: Storage Precautions

    HELPFULTIPS & SUGGESTIONS Engine Oil 1. Change the engine oil (see page 22). 2. Remove the spark plugs (see page 29). 3. Pour a tablespoon (5-10 cc) of clean engine oil into the cylinders. 4. Pull the starter rope several times to distribute the oil in the cylinders. 5.

  • Page 37: Removal From Storage

    HELPFULTIPS & SUGGESTIONS Position the equipment so the engine is level. Tilting can cause 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.

  • Page 38: Taking Care Of Unexpected Problems

    FAST position. Replace or repair 5. Take engine to an Carburetor malfunc- tion, ignition malfunc- faulty components as authorized Honda tion, valves stuck, etc. necessary. servicing dealer, or refer to shop manual. ENGINE LACKS Correction Possible Cause...

  • Page 39: Technical & Consumer Information

    TECHNICAL & CONSUMER INFORMATION TECHNICAL INFORMATION Serial Number Location “ENGINE SERIAL NUMBER ELECTRIC STARTER Record the engine serial number in the space below. You will need this serial number when ordering parts, and when making technical orwarranty inquiries (see page 44). Engine serial number:...

  • Page 40: Battery Connections

    TECHNICAL & CONSUMER INFORMATION Battery Connections Use a 12-volt battery with an ampere-hour rating of at least 35 Ah. Be careful not to connect the battery in reverse polarity, as this will short circuit the battery charging system. Always connect the positive (+) battery cable to the battery terminal before connecting the negative (-) battery cable, so your tools cannot cause a short circuit if they touch a grounded part while tightening the positive (+) battery cable end.

  • Page 41: Remote Control Linkage

    TECHNICAL & CONSUMER INFORMATION Remote Control Linkage The throttle and choke control levers are provided with holes for optional cable attachment. Remove the two 6 mm special bolts from the control cover and remove the control cover. 6 mm SPECIAL BOLTS TROL COVER The following illustrations show installation examples for asolid wire cable.

  • Page 42: Emission Control System Information

    Carbon monoxide does not react in the same way, but it is toxic. Honda utilizes systems to reduce the emissions of carbon monoxide, oxides of nitrogen, and hydrocarbons. The California Clean Air Act California regulations require all manufacturers to furnish written instructions describing the operation and maintenance of emission control systems.

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    The emission control systems on your Hondaengine were designed, built, and certified to conform with California emission regulations. We recommend the use of genuine Honda parts whenever you have maintenance done. These original-design replacement parts are manufactured to the same standards as the original parts, so you can be confident of their performance.

  • Page 44: Specifications

    Counterclockwise GXV6I O/GXV620 Tuneup ITEM SPECIFICATION MAINTENANCE Refer to page: 29 0.028-0.031 in (0.7-0.8 Spark Plug gap IN: 0.15 0.02 mm Valve clearance (cold) See your authorized Honda dealer EX: 0.20 0.02 mm No other adjustments needed. Other specifications...

  • Page 45: Consumer Information

    Honda Publications These publications will give you additional information for maintaining and repairing your engine. You may order them from your Honda engine dealer. Shop Manual This manual covers complete maintenance and overhaul procedures. It is intended to be used by a skilled technician.

  • Page 46: Warranty Service Information

    Almost all problems are solved in this way. If you are dissatisfied with the decision made by the dealership’s manage- ment, contact the Honda Power Equipment Customer Relations Office. You can write to: American Honda Motor Co., Inc.

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    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.

  • Page 48: Quick Reference Information

    Honda certified system (see below). If you choose not to use the Honda fuel system you must use a fuel system manufacturer to be system that has been certified...

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