Honda GOLDWING GL1800, Owner'S Manual

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Catalytic Converters
Technical Information
This motorcycle is equipped with two three-way catalytic converters. Each
catalytic converter contains precious metals that serve as catalysts, promoting
chemical reactions to convert the exhaust gasses without affecting the metals.
The catalytic converters act on HC, CO, and NOx. Replacement parts must be
original Honda parts or equivalents.
The catalytic converters must operate at high temperature for the chemical
reactions to take place. They can set fire to any combustible materials that come
near them. Park your motorcycle away from high grasses, dry leaves, or other
flammables.
Defective catalytic converters contribute to air pollution, and can impair your
engine’s performance. Follow these guidelines to protect your motorcycle’s
catalytic converters.
Always use unleaded gasoline. Even a small amount of leaded gasoline can
contaminate the catalyst metals, making the catalytic converters ineffective.
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 motorcycle.
If your engine is misfiring, backfiring, stalling, or otherwise not running
properly, stop riding and turn off the engine. Have your motorcycle serviced
as soon as possible.
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