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ENGLISH

Source of Emissions

The combustion process produces carbon monoxide, oxides of nitrogen, 
and hydrocarbons. Control of hydrocarbons and oxides of nitrogen are 
very important because, under certain conditions, they react to form 
photochemical smog when subjected to sunlight. Carbon monoxide 
does not react in the same way, but it is toxic.

Honda utilizes appropriate air/fuel ratios and other emissions control 
systems to reduce the emissions of carbon monoxide, oxides of nitrogen, 
and hydrocarbons. Additionally, Honda fuel systems utilize components 
and control technologies to reduce evaporative emissions.

The U.S., California Clean Air Act, and Environment Canada

EPA, California, and Canadian regulations require all manufacturers to 
furnish written instructions describing the operation and maintenance of 
emission control systems.

The following instructions and procedures must be followed in order to 
keep the emissions from your Honda engine within the emission 
standards.

Tampering and Altering

Tampering is a violation of federal and California law.

Tampering with or altering the emission control system may increase 
emissions beyond the legal limit. Among those acts that constitute 
tampering are:

• Removal or alteration of any part of the intake, fuel, or exhaust 

systems.

• Altering or defeating the governor linkage or speed-adjusting 

mechanism to cause the engine to operate outside its design 
parameters.

Problems That May Affect Emissions

If you are aware of any of the following symptoms, have your engine 
inspected and repaired by your servicing dealer.

• Hard starting or stalling after starting.
• Rough  idle.
• Misfiring or backfiring under load.
• Afterburning (backfiring).
• Black exhaust smoke or high fuel consumption.

Replacement Parts

The emissions control systems on your new Honda engine were 
designed, built, and certified to conform with EPA, California, and 
Canadian emissions regulations. We recommend the use of Honda 
Genuine 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. Honda cannot deny coverage under the emission warranty 
solely for the use of non-Honda replacement parts or service performed 
at a location other than an authorized Honda dealership; you may use 
comparable EPA certified parts, and have service performed at non-
Honda locations. However, the use of replacement parts that are not of 
the original design and quality may impair the effectiveness of your 
emissions control system.

A manufacturer of an aftermarket part assumes the responsibility that 
the part will not adversely affect emissions performance. The 
manufacturer or rebuilder of the part must certify that use of the part will 
not result in a failure of the engine to comply with emissions regulations.

Maintenance

As the power equipment engine owner, you are responsible for 
completing all required maintenance listed in your owner's manual. 
Honda recommends that you retain all receipts covering maintenance on 
your power equipment engine, but Honda cannot deny warranty 
coverage solely for the lack of receipts or for your failure to ensure that all 
scheduled maintenance has been completed.
Follow the maintenance schedule on page 7. Remember that this 
schedule is based on the assumption that your engine will be used for its 
designed purpose. Sustained high-load or high-temperature operation, 
or use in dusty conditions, will require more frequent service.

Air Index

An Air Index Information label is applied to engines certified to an 
emission durability time period in accordance with the requirements of 
the California Air Resources Board.

The bar graph is intended to provide you, our customer, the ability to 
compare the emissions performance of available engines. The lower the 
Air Index, the less pollution.

The durability description is intended to provide you with information 
relating to the engine’s emission durability period.
The descriptive term indicates the useful life period for the engine’s 
emission control system. See your 

Emission Control System Warranty

 for 

additional information.

The Air Index Information hang tag/label must remain on the engine 
until it is sold. Remove the hang tag before operating the engine.

Descriptive Term 

Applicable to Emission Durability Period

Moderate

     50 hours (0–80 cc, inclusive)
   125 hours (greater than 80 cc)

Intermediate

   125 hours (0–80 cc, inclusive)
   250 hours (greater than 80 cc)

Extended

   300 hours (0–80 cc, inclusive)
   500 hours (greater than 80 cc)
1,000 hours (225 cc and greater)

37ZDJ6010.fm  14 ページ  2019年11月18日 月曜日 午後3時57分

Summary of Contents for GXR120UT

Page 1: ...can happen and what you can do to avoid or reduce injury DAMAGE PREVENTION MESSAGES You will also see other important messages that are preceded by the word NOTICE This entire book is filled with important safety information please read it carefully 2019 Honda Motor Co Ltd All Rights Reserved GXR120 37ZDJ601 00X37 ZDJ 6010 OWNER S MANUAL MANUEL DE L UTILISATEUR MANUAL DEL PROPIETARIO GXR120 CONTEN...

Page 2: ...t is running SAFETY LABEL LOCATION This label warns you of potential hazards that can cause serious injury Read it carefully If the label comes off or becomes hard to read contact your servicing dealer for replacement WARNING LABEL For EU Except EU attached to product supplied with product supplied with product attached to product supplied with product supplied with product MUFFLER CAUTION LABEL F...

Page 3: ...can fall below a safe limit the Oil Alert system will automatically stop the engine the engine switch will remain in the ON position If the engine stops and will not restart check the engine oil level see page 8 before troubleshooting in other areas FUEL FILLER CAP FUEL TANK SPARK PLUG MUFFLER inside the cover AIR CLEANER OIL FILLER CAP DIPSTICK RECOIL STARTER STARTER GRIP ENGINE CONTROLS FUEL VAL...

Page 4: ...trict air flow to the carburetor reducing engine performance 5 4 Check the equipment powered by this engine Review the instructions provided with the equipment powered by this engine for any precautions and procedures that should be followed before engine startup OPERATION SAFE OPERATING PRECAUTIONS Before operating the engine for the first time please review the SAFETY INFORMATION section on page...

Page 5: ...D position to start the engine gradually move it to the OPEN position as the engine warms up SETTING ENGINE SPEED Position the throttle lever for the desired engine speed Some engine applications use a remote 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 by this engine...

Page 6: ...you of every conceivable hazard that can arise in performing maintenance Only you can decide whether or not you should perform a given task SAFETY PRECAUTIONS Make sure the engine is off before you begin any maintenance or repairs To prevent unintentional startup disconnect the spark plug cap This will eliminate several potential hazards Carbon monoxide poisoning from engine exhaust Operate outsid...

Page 7: ...l information regarding fuel deterioration Never use stale or contaminated gasoline or an oil gasoline mixture Avoid getting dirt or water in the fuel tank Fuel can damage paint and some types of plastic Be careful not to spill fuel when filling your fuel tank Damage caused by spilled fuel is not covered under the Distributor s Limited Warranty Never use gasoline that is stale contaminated or mixe...

Page 8: ...amage This type of damage is not covered by the Distributor s Limited Warranty The Oil Alert system applicable types will automatically stop the engine before the oil level falls below the safe limit However to avoid the inconvenience of an unexpected shutdown always check the engine oil level before startup Oil Change Drain the used oil when the engine is warm Warm oil drains quickly and complete...

Page 9: ...filter element at the scheduled interval see page 7 5 Clean the air filter elements if they are to be reused Paper air filter element Tap the paper air filter element several times on a hard surface to remove dirt or blow compressed air not exceeding 207 kPa 2 1 kgf cm2 30 psi through the filter element from the air cleaner case side Never try to brush off dirt brushing will force dirt into the fi...

Page 10: ...rtightening the spark plug can damage the threads in the cylinder head 9 Attach the spark plug cap to the spark plug SPARK ARRESTER optional equipment In Europe and other countries where the machinery directive 2006 42 EC is enforced this cleaning should be done by your servicing dealer Your engine is not factory equipped with a spark arrester In some areas it is illegal to operate an engine witho...

Page 11: ...was not fresh when you filled the fuel tank Fuel system damage or engine performance problems resulting from neglected storage preparation are not covered under the Distributor s Limited Warranty You can extend fuel storage life by adding a gasoline stabilizer that is formulated for that purpose or you can avoid fuel deterioration problems by draining the fuel tank and carburetor Adding a Gasoline...

Page 12: ...nning allow it to cool for at least 15 minutes before loading the engine powered equipment on the transport vehicle A hot engine and exhaust system can burn you and can ignite some materials Keep the engine level when transporting to reduce the possibility of fuel leakage Turn the fuel valve to the OFF position see page 6 TAKING CARE OF UNEXPECTED PROBLEMS ENGINE WILL NOT START ENGINE LACKS POWER ...

Page 13: ...ty Your new Honda complies with both the U S EPA and State of California emission regulations American Honda provides the same emission warranty coverage for Honda Power Equipment engines sold in all 50 states In all areas of the United States your Honda Power Equipment engine is designed built and equipped to meet the U S EPA and California Air Resources Board emission standard for spark ignited ...

Page 14: ...f non Honda replacement parts or service performed at a location other than an authorized Honda dealership you may use comparable EPA certified parts and have service performed at non Honda locations However the use of replacement parts that are not of the original design and quality may impair the effectiveness of your emissions control system A manufacturer of an aftermarket part assumes the res...

Page 15: ...il capacity 0 40 L 13 US oz 0 35 lmp qt Fuel tank capacity 0 77 L 0 203 US gal 0 169 lmp gal Cooling system Forced air Ignition system Transistor type magneto ignition PTO shaft rotation Counterclockwise ITEM SPECIFICATION MAINTENANCE Spark plug gap 0 6 0 7 mm 0 024 0 028 in Refer to page 10 Idle speed 1 550 150 min 1 rpm Refer to shop manual Valve clearance cold IN 0 15 0 04 mm EX 0 20 0 04 mm Se...

Page 16: ... with the decision made by the dealership s management contact the Honda Office as shown Honda s Office When you write or call please provide this information Equipment manufacturer s name and model number that the engine is mounted on Engine model serial number and type see page 13 Name of dealer who sold the engine to you Name address and contact person of the dealer who services your engine Dat...

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