Honda Outboard Motors BF25A Owner's Manual page 71

11. MAINTENANCE
The U.S. Clean Air Acts
EPA regulations require all manufactur-
ers to furnish written instructions
describing the operation and mainte-
nance of emission control systems.
The following instructions and proce-
dures must be followed in order to keep
the emissions from your Honda engine
within the emission standards.
Tampering and Altering
Tampering with or altering the emission
control system may increase emissions
beyond the legal limit. Among those acts
that constitute tampering are:
l
Removal or alteration of any part of
the intake, fuel, or exhaust systems.
l
Alterations that would 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.
l
Hard starting or stalling after starting.
l
Rough idle.
l
Misfiring or backfiing under load.
l
Afterburning (backfiring).
l
Black exhaust smoke or high fuel
consumption.
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