Mowing And Bagging Problems; Technical Information; Serial Number Locations; High Altitude Operation - Honda HRC216HXA Owner's Manual

Mowing and Bagging Problems

Possible Cause
Engine speed is too slow to
cut well
Mower is moving too fast for
lawn conditions
Cutting height adjustment
levers set at different
positions
Grass bag overfilled or
clogged
Mower deck is clogged
Blades dull, worn, or
damaged
Wrong blades installed

TECHNICAL INFORMATION

Serial Number Locations

MEETS CPSC BLADE SAFETY
REQUIREMENTS.
CONFORMS TO ANSI B71.1 SAFETY STANDARD
HRC2163HXA XX
XXXX –– XXXXXXX
AMERICAN HONDA MOTOR CO., INC.
ALPHARETTA, GA 30005-8847
FRAME SERIAL
NUMBER
ENGINE SERIAL
NUMBER
There are two serial numbers, one for the engine and one for the
mower frame. Record the engine and frame serial numbers in the
space below. You will need these serial numbers when ordering parts
and when making technical or warranty inquiries.
Engine serial number: _________________________________
Frame serial number: __________________________________
Date of purchase: _____________________________________
Correction
Move the throttle lever to the FAST
position (page 10).
Shift to a slower speed (page
Set all levers at the same cutting
height position (page 7).
Empty the grass bag. Wash the
grass bag if it is clogged with dirt.
Clean out the mower deck
(page 16).
Sharpen or replace the blades if
necessary (page 11).
Install correct blades (page 12).

High Altitude Operation

At high altitudes, 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.
10).
High altitude performance can be improved by specific modifications
to the carburetor. If you always operate your lawn mower at altitudes
above 5,000 feet (1,500 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.
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 5,000 feet (1,500 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.

Emission Control System

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.
U.S. EPA, CARB, and Environment Canada
EPA, California, and Canadian emissions regulations require all
manufacturers to furnish written instructions describing the operation
and maintenance of emissions control systems.
The following instructions and procedures must be followed in order to
keep the emissions from your Honda engine within the emissions
standards.
Tampering and Altering
NOTICE
Tampering is a violation of Federal and California law.
Tampering with or altering the emissions 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 speed-adjusting mechanism to cause the
engine to operate outside its design parameters.
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