Honda FOURTRAX FOREMAN 4X4 TRX500FM 2009, Owner'S Manual

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Technical Information
Catalytic Converter
This ATV is equipped with the oxidation catalytic converter. The
catalytic converter contains precious metals that serve as catalysts,
promoting chemical reactions to convert the exhaust gasses without
affecting the metals.
The catalytic converter acts on HC and CO. A replacement unit must be
an original Honda part or its equivalent.
The catalytic converter must operate at a high temperature for the
chemical reactions to take place. It can set fire to any combustible
materials that come near it. Park your ATV away from high grasses, dry
leaves, or other flammables.
A defective catalytic converter contributes to air pollution, and can
impair your engine’s performance. Follow these guidelines to protect
your ATV’s catalytic converter.
Keep the engine in good running condition. A poorly running engine
can cause the catalytic converter to overheat causing damage to the
converter or the ATV.
Always use unleaded gasoline. Even a small amount of leaded
gasoline can contaminate the catalyst metals, making the catalytic
converter ineffective.
If your engine is misfiring, backfiring, stalling, or otherwise not
running properly, stop riding and turn off the engine.
Have your ATV serviced as soon as possible.
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