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GXV270.340 ___ OWNER'S MANUAL 0 HONDA I . MOTOR CO., LTD.
Thank you for purchasing a Honda engine. This manual coverst h e operation and maintenance of GXV270 GXV340 engines and is based on GXV270 engine. The DAE type is equipped for DA type is equipped for manual starboth electric and manual starting. The ting only. All information in this publication is based on the latest product information available a t the time of printing. Honda Motor Co., Ltd. reserves the right t o make changes at any time without notice and without incurring any obligation.
CONTENTS 1 . SAFETYINSTRUCTIONS ....................................................... 2 . COMPONENTIDENTIFICATION .............................................. 3 . BATTERY CONNECTIONS (for electric starter) .......................... 4 . REMOTE CONTROL LINKAGE ................................................. 5 . PRE-OPERATIONCHECK ....................................................... 6 . STARTING THE ENGINE ........................................................ 7 . OPERATION ........................
1. SAFETY INSTRUCTIONS To ensure safe operation - 9 0 e * * 0 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 t o t h e engine while it is running. Refuel in a well-ventilated area with ,the enginestopped.Gasolineis flam,mable and explosive under certain conditions. Do not over'fill the tank. There should be no fuelin the filler neck.
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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 t o t h e starter solenoid terminal as shown. Connect the battery negative (-1 cable t o an engine mounting bolt, frame bolt, or other good engine ground connection. Check the battery cable connectionst o be sure the cablesare secured and free of corrosion. Remove any corrosion and coat the terminals and cable ends with grease.
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.
5. PRE-OPERATION CHECK ~ ~~~ 1. ENGINE OIL CAUTION: Engine oilis 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. an Use Honda 4-stroke oil or equivalenthigh-detergent,premium quality motor oil certified to meet or exceed U.S. automobile manufacturer's requirements for Service Classification SE or SF.
2. AIR CLEANER Check the air cleanerelements t o be sure they arecleanand condition. Clean or replace the elements if necessary (page 17). CAUTION: Never run the engine withoutthe wear will result. in good air cleaner.
3.FUEL (9) Useautomotivegasoline with a pump octanenumber of 86 or higher, or a research octane number of 91 or higher (unleaded fuel is preferred t o 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 6 0 Gasoline is extremely flammable and is explosive under certain conditions. Refuel in a well ventilated area with .the engine stopped.
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 byHonda. There are t w o types of "gasohol"onecontainingethanol,andthatcontaining 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 containcosolventsandcorrosioninhibitorsformethanol.
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 control lever away from the CHOKE position as soon as the engine starts.
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 theSTART position and holdit there until the engine starts. NOTE: Do not use the electric starter for more than 5 seconds at a time.
7.OPERATION When the engine warms up, move the controllever from the CHOKE position to the operating position for thedesired engine speed. . OIL ALERT BUZZER (oil alert type only) engine oil level falls The "OIL ALERT" buzzer will warn you before the 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 damage.
8.STOPPING ,THE ENGINE 1. Move the control lever to theSTOP position. 2. Turn the fuel valve t o t h e OFF position. 1 1 High altitude operation will be excessively A t high altitude, the standard carburetor air-fuel mixture 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 pilot the screw.
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 berun, make sure thearea is well ventilated. The exhaust contains poisonous carbon monoxide gas. CAUTION: Use only genuine HONDA parts or their equivalent.-The use of replacement parts which are not of equivalent quality may damage the engine.
1. Oil change Drain the oil while the engine is still warm draning. t o assure rapid and complete I . Remove the oil filler cap and drain plugt o 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.
2. Air cleaner service A dirty air cleaner will restrict air flow to the carburetor. To prevent carburetor malfunction, service the air cleanerregularly.Servicemorefrequently 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 wear will result. 1. Remove the wing nuts and the air the elecleanercover.Remove ments and separate them.
~ 3. Spark plug service Recommended sparkplug:BPR5ES (NGK) WIGEPR-U (ND) CAUTION: Never use a spark plug of incorrect heat range. To ensure proper engine operation,the spark plug mustbe properly gapped and free of deposits. 1. Remove the spark plug cap and use a spark plug wrencht o 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 spark plug.
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 isseated, tighten with a spark plug wrenchto compress the washer. NOTE: When installing a n e w spark plug, tighten 112 turn after the spark plug seats t o compress the washer. When reinstalling a used spark plug, tighten 1 /8- 1/4 turn after the spark plug seats t o compress the washer. CAUTION:The sparkplug must be securely tightened.
4. Spark arrester maintenance (optional part) If the engine has been running, the mufflerwill be very hot. Allow it to cool before proceeding. 1. Remove the three 5 mm screws and remove the muffler protector. 2. Remove the8 m m n u t sand then remove the identification plate, muffler and gasket. 3. Remove the spark arrester from the muffler. MUFFLER PROTECTOR GASKET 5 mm SCREW PLATE 4. Use a brush t o remove carbon deposits from the spark arrester screen.
5. Carburetor adjustment 1. Starttheengineandallow it t ow a r m up t o normaloperating temperature. 2. Place the control lever in the SLOW position. 3. 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 be approximately 1-3/4 turns out from the fully closed position. CAUTION: Do not tighten thepilot screw against its seat; this will damage the pilot screw or seat. PILOT SCREW 3.
IO. TRAMSPORTING/STORAGE When transporting the engine, turn the fuel valve to the OFF position and keep the engine level t a 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. 2. Drain the fuel tank and carburetor into a suitable gasoline container: a. Remove the fuel tube and drain the fuel tank. b. Loosen the carburetor drain bolt t o drain the carburetor. -DRAIN SCREW c.
1 I . TROUBLESHOOTING Engine will not start using recoil starter: 1, Is the control lever in the CHOKE position?. 2. Is the fuel valve ON? 3. Is there fuel in the fuel tank? 4. Is gasoline reaching the carburetor? To check, loosen the drain screw with the fuel valve on. Ewam If any fuel is spilled, make sure the area dry before testing the spark plug or starting the engine. Fuel vapor spilled fuel may ignite. is or \ DRAIN SCREW 5. Is there a spark at the spark p l u ~ ? a. Remove the spark plug cap.
Engine will not start using electric starter: 1. Are the battery cables securely connected and free of corrosion? 2. Is the battery fully charged? 3. If the starter motor operates but the engine will not start, follow the troubleshooting procedures described under recoil starter operation.
12. SPECIFICATIONS Dimensions Power equipment description code 1 iI Length x Width x Height I Dry weight I GXV270 GXV340 GJOI GJ02 I I 410 x385 x 405 mm 430 x 385 x 410 mm (16.1 x 15.2 x 15.9 in) (16.9 x 15.1 x 16.1 in) I (61.7 kg 28 Ib) kg 32 ( i ’ r l 1 Engine Engine type 4-strolte, overhead valve, single cylinder 270 cc (16.5 cu in) [77 x 58 mm (3.0 x 2.3in)l 337 cc (20.6 cu in) 182 x 6 4 rnm (3.2 x 2.5in)l Max. output 8.5 HP/3,600 rpm 11 HP/3,600 rpm Max. torque 1.
13. WARRANTY SERVICE Owner Satisfaction Your satisfaction and goodwill are important to your dealer and to us. All Honda warranty detailsare explained in the Distributor‘s Limited Warranty. Warranty service isavailable at any dealership displaying the Honda Power Equipment Engines sign. To locate dealers in your area, look in the yellow pages of your telephone directory under Gasoline Engines, Garden & Lawn Equipment & Supplies, Lawn Mowers, etc.
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