Honda HSM1336i Owner's Manual page 136

TECHNICAL INFORMATION
Problems That May Affect Emissions
If you are aware of any of the following symptoms, have your engine
inspected and repaired by your authorized Honda 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
originaldesign 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 emissions 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 emissions
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
coverage solely for the lack of receipts or for your failure to ensure that
all scheduled maintenance has been completed.
Follow the MAINTENANCE SCHEDULE on pages 79 and 80.
Remember that this schedule is based on the assumption that your
power equipment engine will be used for its designed purpose.
Sustained high-load or high-temperature operation, or use in dusty
conditions, will require more frequent service.
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