HONDA marine BF25D, Руководство пользователя

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109
TECHNICAL INFORMATION
Carburetor Modification for
High Altitude Operation
At altitudes above 3,000 feet (900
meters), 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 operation can be
improved by specific modifications to
the carburetor. If you usually operate
your outboard motor at 3,000 feet
(900 meters) or above, consult with
your authorized Honda Marine
dealer.
Your dealer can determine the
appropriate carburetor settings for the
altitude at which you operate your
outboard motor.
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 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 3,000 feet (900
meters) with a modified carburetor
may cause the engine to overheat and
result in serious engine damage. For
use at low altitudes, have an
authorized Honda Marine dealer
return the carburetor to original
factory specifications.
Battery
For complete information, refer to the
battery manufacturer’s instructions.
Minimum Requirements
12V-52Ah/5HR (65Ah/20HR)
(CCA 420)
31ZW26430.book Page 109 Monday, November 19, 2018 4:42 PM