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7

SPARK ARRESTER (optional equipment)

In some areas, it is illegal to operate an engine without a USDA 
(United States Department of Agriculture)-qualified spark arrester. 
Check local laws and regulations. A USDA-qualified spark arrester is 
available from an authorized Honda servicing dealer.

The spark arrester must be serviced every 100 hours to keep it 
functioning as designed.

If the engine has been running, the muffler will be hot. Allow it to cool 
before servicing the spark arrester.

Spark Arrester Removal

1. Remove the three 6 mm 

bolts from the muffler 
protector, and remove 
the muffler protector.

2. Remove the two special 

screws from the spark 
arrester, and remove 
the spark arrester from 
the muffler.

Spark Arrester Cleaning 
& Inspection

1. Use a brush to remove 

carbon deposits from the 
spark arrester screen. Be 
careful not to damage the 
screen. Replace the spark 
arrester if it has breaks or 
holes.

2. Install the spark arrester 

in the reverse order of 
removal.

HELPFUL TIPS & SUGGESTIONS

STORING YOUR ENGINE

Storage Preparation

Proper storage preparation is essential for keeping your engine 
trouble-free 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.

Cleaning

If the engine has been running, allow it to cool for at least half an hour 
before cleaning. Clean all exterior surfaces, touch up any damaged 
paint, and coat other areas that may rust with a light film of oil.

NOTICE

Using a garden hose or pressure washing equipment can force water 
into the air cleaner or muffler opening. Water in the air cleaner will 
soak the air filter, and water that passes through the air filter or muffler 
can enter the cylinder, causing damage.

Fuel 

Gasoline will oxidize and deteriorate in storage. Deteriorated gasoline 
will cause hard starting, and it leaves gum deposits that clog the fuel 
system. If the gasoline in your engine deteriorates during storage, you 
may need to have the carburetor, and other fuel system components, 
serviced or replaced.

The length of time that gasoline can be left in your fuel tank and 
carburetor without causing functional problems will vary with such 
factors as gasoline blend, your storage temperatures, and whether the 
fuel tank is partially or completely filled. The air in a partially filled fuel 
tank promotes fuel deterioration. Very warm storage temperatures 
accelerate fuel deterioration. Fuel problems may occur within a few 
months, or even less if the gasoline 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 

(see

 

page 11

)

.

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 STABILIZER TO EXTEND FUEL 
STORAGE LIFE

When adding a gasoline stabilizer, fill the fuel tank with fresh gasoline. 
If only partially filled, air in the tank will promote fuel deterioration 
during storage. If you keep a container of gasoline for refueling, be 
sure that it contains only fresh gasoline.

1. Add gasoline stabilizer following the manufacturer’s instructions.

2. After adding a gasoline stabilizer, run the engine outdoors for 10 

minutes to be sure that treated gasoline has replaced the untreated 
gasoline in the carburetor.

3. Stop the engine.

SPARK 
ARRESTER 
IDENTIFICATION 
PLATE

MUFFLER 
PROTECTOR

6 mm BOLT (3)

SPECIAL 
SCREW (2)

MUFFLER

SPARK 
ARRESTER

Summary of Contents for GS190

Page 1: ...ruction before operating the equipment Your engine s exhaust contains poisonous carbon monoxide Do not run the engine without adequate ventilation and never run the engine indoors The engine and exhaust become very hot during operation Keep the engine at least 3 feet 1 meter away from buildings and other equipment during operation Keep flammable materials away and do not place anything on the engi...

Page 2: ...PERATION SAFE OPERATING PRECAUTIONS Before operating the engine for the first time please review the SAFETY INFORMATION section on page 1 and the BEFORE OPERATION CHECKS above Review the instructions provided with the equipment powered by this engine for any safety precautions that should be observed with engine startup shutdown or operation TYPE 1 MANUAL THROTTLE MANUAL CHOKE Starting A Cold Engi...

Page 3: ...o idle for a few seconds then move the throttle lever to the STOP position TYPE 2 FIXED THROTTLE IGNITION SWITCH LEVER MANUAL CHOKE Starting A Cold Engine 1 Pull the choke rod to the CLOSED position 2 Move the ignition switch lever red to the ON position Some engine applications use a remotely mounted ignition switch rather than the engine mounted ignition switch lever shown here 3 Pull the starte...

Page 4: ...mally performed by a Honda technician or other qualified mechanic The maintenance schedule applies to normal operating conditions If you operate your engine under severe conditions such as sustained high load or high temperature operation or use in unusually wet or dusty conditions consult your servicing dealer for recommendations applicable to your individual needs and use Maintenance replacement...

Page 5: ...filler cap dipstick and fill with the recommended oil to the upper limit mark bottom edge of the oil fill hole Do not overfill 5 Reinstall the oil filler cap dipstick Oil Change Drain the engine oil when the engine is warm Warm oil drains quickly and completely 1 Place a suitable container next to the engine to catch the used oil 2 Remove the oil filler cap dipstick and the oil drain plug 3 Allow ...

Page 6: ...he engine will smoke during initial start up if too much oil is left in the foam or the oil could saturate the paper element making the engine inoperable 3 Wipe dirt from the air cleaner body and cover using a moist rag Be careful to prevent dirt from entering the air duct that leads to the carburetor SPARK PLUG Recommended Spark Plug NGK BPR6ES The recommended spark plug is the correct heat range...

Page 7: ...through the air filter or muffler can enter the cylinder causing damage Fuel Gasoline will oxidize and deteriorate in storage Deteriorated gasoline will cause hard starting and it leaves gum deposits that clog the fuel system If the gasoline in your engine deteriorates during storage you may need to have the carburetor and other fuel system components serviced or replaced The length of time that g...

Page 8: ... oil during storage preparation the engine will smoke briefly at startup This is normal TRANSPORTING Keep the engine level when transporting to reduce the possibility of fuel leakage TAKING CARE OF UNEXPECTED PROBLEMS WARNING Gasoline is highly flammable and explosive and you can be burned or seriously injured when handling fuel Stop engine and keep heat sparks and flame away Refuel only outdoors ...

Page 9: ... your servicing dealer return the carburetor to original factory specifications Oxygenated Fuels Some conventional gasolines are being blended with alcohol or an ether compound These gasolines are collectively referred to as oxygenated fuels To meet clean air standards some areas of the United States and Canada use oxygenated fuels to help reduce emissions If you use oxygenated fuel be sure it is ...

Page 10: ...facturer of an aftermarket part assumes the responsibility that the part will not adversely affect emission 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 emission regulations Maintenance Follow the maintenance schedule on page 5 Remember that this schedule is based on the assumption that your machin...

Page 11: ...peaking with the Regional Engine Distributor you may contact the Honda Power Equipment Customer Relations Department of American Honda Motor Co Inc Refer to page 12 for contact information Exclusions THIS WARRANTY DOES NOT EXTEND TO PARTS AFFECTED OR DAMAGED BY THE PRODUCT IN WHICH THE ENGINE IS INSTALLED OR BY ACCIDENT AND OR COLLISION MISUSE NEGLECT PARTS WORN BEYOND SERVICE LIMITS DUE TO NORMAL...

Page 12: ...r repair of your engine may be denied If the part in question is not related to the reason your engine requires repair your claim will not be denied To Obtain Warranty Service You must take your Honda Power Equipment engine or the product on which it is installed along with your warranty registration card or other proof of original purchase date at your expense to any Honda Power Equipment dealer ...

Page 13: ...13 ...

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Page 15: ...NOTES ...

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