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Thank you for purchasing a Honda engine. This manual covers the operation and maintenance of GXV120 and GXVl60 engines. All information in this publication is based on the latest product information available at the time of printing. The illustrations in this mannal are based on the GXVl20 engine. Honda Motor Co., Ltd. reserves the right to make changes at any time without notice and without incurring any obligation. No part of this publication may be reproduced without written permission
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, CONTENTS 1. SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3’ 2. COMPONENT IDENTIFICATION . . . . . . . . ..a................................... 4 3. BATTERY CONNECTIONS (for electric starter) . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4. PRE-OPERATION CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...’ . . . . . . . . . 7 11 5. STARTING THE ENGINE .
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1. SAFETY INSTRUCTIONS m 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 it is running. Refuel in a well-ventilated area with the engine stopped. Gasoline is flammable and explosive under certain conditions. Do not overfill the tank. There should be no fuel in the filler
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2. COMPONENT IDENtlFlCATlON GXVI 20 RECOIL STARTER SPAKE PLUG FUEL FILLER CAP .MUFFLER 4
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GXV160 STARTER GRIP RECOL STARTER SPARK.PLUG FUEL FILLER CAP OIL FILLER CAP \ FUEL I OIL DRAIN PLUG 5
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I / 3. BATTERY CONNECTIONS (for electric starter) Use a 12 volt battery with an ampere-hour rating of at least 8 AH. Connect the battery positive (3-j 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. Check the battery cable connections to be sure the cables are secured and free of corrosion. Remove any corrosion and coat the terminals and cable ends with grease. l The
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4. PRE-OPERATION CHECK 1. ENGINE OIL CAUTION: l Engine oil is a major factor affecting engine performance and service life. Non-detergent oils and vegetable oils are not recommended. l Be sure to check the engine on a level surface with the engine stopped. Use Honda 4-stroke oil or an equivalent high-detergent, premium quality motor oil certified to meet or exceed U.S. automobile manufac- turer’s requirements for Service Classification SE or SF. Motor oils classified SE or SF will sh
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2. AIR CLEANER Check the air cleaner elements to be sure they are clean and in good condition. Clean or replace the elements if necessary (page 17). CAUTION: Never run the engine without the air, cleaner. Rapid engine wear will result. PAPER ELEMENT FOAM ELEMENT 8
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3. FUEL Your engine is designed to use any gasoline that has a pump octane 9) of 86 or higher, or that has a research oc- number I” tane number of 91 or higher. Gasoline pumps at service station normally display the pump octane number. We recommend that you use unleaded fuel because it produces fewer engine and spark plug deposits and extends the life of exhaust system components. Never use stale or contaminated gasoline or an oil/gasoline mixture. Avoid getting dirt, dust, or water in
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GASOLINES CONTAINING AQqOHOL 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. Do not use gasohol that contains more than 10% ethanol. Do not use gasoline containing methanol (methyl or wood alcohol) that does not also contain cosolvents and corrosion inhibitors for methanol. Never use gasoline containing mo
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5. STARTING THE ENGINE 1. Turn the fuel valve to the ON position. h \ (GXVI 20) (GXVI 60) 2. Move the control lever to the CHOKE position. Do.not use the choke if the engine is warm or the ambient temperature is high. CHOKE 1 1'1
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l With recoil starter: 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. l With electric starter: Turn the engine switch to the START position and hold it there until the engine starts. NOTE: Do not use the electric starter for more than 5 seconds at a time. If the engine fails to start, release the switch and wait 10 seconds before operatin
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6. OPERATION When the engine warms up, move the control lever from the CHOKE posi- tion to the operating position for the desired engine speed. 13
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I I 7. STOPPING THE ENGINE 1. Move the control lever to the STOP position. 2. Turn the fuel valve to the OFF position. IGXVI 201 IGXVI 60) 14
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8. MAINTENANCE The purpose of the maintenance and adjustment schedule is to keep the engine in good operating condition. Inspect or service as scheduled in the table below. m Shut off the engine before performing any maintenance. If the engine must be run, make sure the area is well ventilated. The exhaust con- tains poisonous carbon monoxide gas. I CAUTION: Use only genuine HONDA parts or their equivalent. The use of replacement parts which are not of equivalent quality may damage the
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1. 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. Refill with the recommended oil (see page 7) and check the oil level. 4. Install the oil filler cap. ENGINE OIL CAPACITY: GXV120 0.6 ! (0.63 US qt, 0.53 Imp qt) GXV160 0.65 P (0.69 US qt. 0.57 Imp qt) OIL FILLER CAP DRAIN PLUG CAUTION: Used motor oil may cause skin cancer if
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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. m Never use gasoline or low flash ‘point solvents for cleaning the air cleaner element. A fire or explosion could result. CAUTION: Never run the engine without the air cleaner. Rapid engine ’ wear will result. 1. Remove the wing nut and the air cleaner cov
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, , 4. Spark plug service Recommended spark plug: BP5ES, BPRSES (NGK) WlGEP-U, WlGEPR-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. Emm If the engine has been running, the muffler will be very hot. Be careful not to touch the muffler. 2. Visually inspect the spark plug. Discard it if the insulato
