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GXV270.340 ___ OWNER'S MANUAL 0 HONDA MOTOR CO., LTD. 1985 I-.
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Thank you for purchasing a Honda engine. This manual covers the operation and maintenance of GXV270 GXV340 engines and is based on GXV270 engine. The DAE type is equipped for both electric and manual starting. The DA type is equipped for manual star- ting only. All information in this publication is based on the latest product information available at the time of printing. Honda Motor Co., Ltd. reserves the right to make changes at any time without
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CONTENTS 1 . SAFETY INSTRUCTIONS ....................................................... 3 2 . COMPONENT IDENTIFICATION .............................................. 4 3 . BATTERY CONNECTIONS (for electric starter) .......................... 5 4 . REMOTE CONTROL LINKAGE ................................................. 6 5 . PRE-OPERATION CHECK ....................................................... 7 6 . STARTING THE ENGINE ........................................................
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1. SAFETY INSTRUCTIONS 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. 9 Refuel in a well-ventilated area with ,the engine stopped. Gasoline is flam,mable and explosive under certain conditions. 0 Do not over'fill the tan
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2. COMPONENT IDENTIFICATION RECOIL STARTER STARTER GRIP FUEL FILLER CAP AIR CLEANER OIL F>LLER CAP \ AND ENGINE TYPE ELECTRIC STARTER -\ OIL DRAIN PLUG (DAE type) 4
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3. BATTERY CONNECTIONS (far 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. Check the battery cable connections to be sure the cables are secured and free of corrosion. Remove any corrosion and coat the termina
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4. REMOTE CONTROL LINKAGE The control lever is provided with a hole for cable attachment. InstaJ a solid wire cable as shown below. Do not use braided wire cable. It I 5x16mm I bo't I i 6
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5. PRE-OPERATION CHECK ~ ~~~ 1. ENGINE OIL CAUTION: Engine oil is a major factor affecting engine performance and service life. Non-detergent oils and vegetable oils are not recommended. 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 cl
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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
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3. FUEL Use automotive gasoline with a pump octane number (9) of 86 or higher, or a research octane number of 91 or higher (unleaded fuel is preferred to minimize combustion chamber deposits). Never use an oil/gasoline mixture or contaminated gasoline. Avoid getting dirt, dust or water in the fuel tank. After refueling, be sure to tighten the fuel tank cap firmly Gasoline is extremely flammable and is explosive under certain condi- tions. Refuel in a w
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GASOLINES CONTAINING ALCOHOL If you decide to use a gasoline containing alcohol ("gasohol"), be sure the octane rating is at least as high as that recommended by Honda. There are two types of "gasohol" one containing ethanol, and that 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. N
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6. STARTING THE ENGINE 1. Turn the fuel valve to the ON position. 2. Move the control lever to the CHOKE position. NOTE: If the engine is warm or the air temperature is high, move the con- trol lever away from the CHOKE position as soon as the engine starts. 11
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3.. 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. ------- 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 switc
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7. OPERATION When the engine warms up, move the control lever from the CHOKE posi- tion to the operating position for the desired engine speed. . OIL ALERT BUZZER (oil alert type only) The "OIL ALERT" buzzer will warn you before the engine oil level falls below the safe limit. If the buzzer sounds, stop the engine and add oil (see page 7). CAUTION: The buzzer indicates insufficient oil. Running the engine with insufficient oil can cause serious engine dam
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8. STOPPING ,THE ENGINE 1. Move the control lever to the STOP position. 2. Turn the fuel valve to the OFF position. 11 High altitude operation At high altitude, the standard carburetor air-fuel mixture will be excessively rich. Performance will decrease, and fuel consumption will increase. 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 en
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9. 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. 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. CAUTION: Use only genuine HONDA parts or their equivalent.-The use of replacement parts which are no
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1. Oil change Drain the oil while the engine is still warm to assure rapid and complete draning. I. 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 71 and check the oil level. 4. Install the oil filler cap. ENGINE OIL CAPACITY: 1 .I B (1.2 US qt, 1 .O Imp qt) OIL FILLER CAP I DRAIN'PLUG CAUTION: Used motor oil may cause skin cancer if repeatedly
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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. Newer use gasoline ar low .flash point solvents for cleaning the air cleaner element. A fire or explosion could result. CAUTION: Newer run the engine without the air cleaner. Rapid engine wear will result. 1. Remove the wing
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~ 3. Spark plug service Recommended spark plug: BPR5ES (NGK) WIGEPR-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. If the engine has been running, the muffler will be verv hot. Be - careful not ta touch the muffler. SPARK PLUG SPARK PLUG WRENCH 2. Visually inspect the
