Technical Information - Honda Motor GCV160 Manuel De L'utilisateur

Engine lacks power
POSSIBLE CAUSE
Air filter clogged.
Bad fuel; engine stored
without treating the gasoline,
or refueled with bad gasoline.
Fuel filter clogged, carburetor
malfunction, ignition
malfunction, valves stuck, etc.

TECHNICAL INFORMATION

Serial Number and Type Location

See Figure on page 1.
Record the engine serial number and type in the space below. You will
need this information when ordering parts and when making technical
or warranty inquiries.
MODEL
GCV160 or 190
Date of purchase
Radio Frequency Interference Label (Canada)
This engine complies with Canadian radio frequency interference
regulations, ICES-002.
Carburetor Modifications for High Altitude Operation
At high altitude, the standard carburetor air-fuel mixture will be too
rich. Performance will decrease, and fuel consumption will increase. A
very rich mixture will also foul the spark plug and cause hard starting.
Operation at an altitude that differs from that at which this engine was
certified, for extended periods of time, may increase emissions.
High altitude performance can be improved by specific modifications
to the carburetor. If you always operate your engine at altitudes above
2,000 feet (610 meters), have your servicing dealer perform this
carburetor modification. This engine, when operated at high altitude
with the carburetor modifications for high altitude use, will meet each
emission standard throughout its useful life.
Even with carburetor modification, engine horsepower will decrease
about 3.5% for each 1,000-foot (300-meter) increase in altitude. The
effect of altitude on horsepower will be greater than this if no
carburetor modification is made.
When auto throttle type engines are used in high altitude applications,
the ability to idle down to 2500 rpm could be diminished. See your
servicing dealer for information on adjustments if your auto throttle
unit does not idle down with the load released or has trouble returning
to full rpm with the load applied.
NOTICE
When the carburetor has been modified for high altitude operation,
the air-fuel mixture will be too lean for low altitude use. Operation at
altitudes below 2,000 feet (610 meters) with a modified carburetor
may cause the engine to overheat and result in serious engine
damage. For use at low altitudes, have your servicing dealer return
the carburetor to original factory specifications.
10
CORRECTION
Clean or replace the air filter
(page 8).
Refuel with fresh gasoline.
Take the engine to an authorized
Honda servicing dealer or refer to
the shop manual to replace or
repair faulty components as
necessary.
SERIAL NUMBER
Emission Control System Information
Source of Emissions
The combustion process produces carbon monoxide, oxides of
nitrogen, and hydrocarbons. Control of hydrocarbons and oxides of
nitrogen is 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 & Climate
Change Canada
EPA, California, and Canadian emissions 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
TYPE
NOTICE
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 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
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