Every motorbike on the road needs to strike a balance between performance and environmental responsibility, and this is where catalytic converters play a crucial role. These compact devices transform harmful exhaust gases into less harmful emissions, helping bikes meet emission standards while maintaining engine efficiency and performance. Understanding how they work can improve your bike’s longevity and reduce its environmental impact.
In this blog, we will take a closer look at the automobile catalytic converter, an essential component every bike rider should know about.
What is a catalytic converter for motorbikes?
A catalytic converter for motorbikes is a small but essential component of the exhaust system designed to reduce harmful emissions.
It contains a ceramic or metallic substrate coated with catalysts, typically platinum, palladium and rhodium, which convert toxic gases like carbon monoxide, hydrocarbons and nitrogen oxides into less harmful substances, such as carbon dioxide, nitrogen and water vapour.
By doing so, it helps bikes comply with emission regulations, protects the environment and ensures smoother engine performance.
Most modern motorcycles, especially those designed for newer emission regulations, have their catalytic converter placed right next to the engine or in the exhaust header.
Catalytic converter working: How does it work?
Exhaust gases from the engine enter the converter and pass through a ceramic honeycomb coated with catalysts such as platinum, palladium and rhodium. These catalysts trigger chemical reactions: reduction breaks nitrogen oxides into harmless nitrogen gas, and oxidation converts carbon monoxide into carbon dioxide and unburnt hydrocarbons into water and more carbon dioxide. The resulting less-toxic gases, mainly nitrogen, carbon dioxide and water vapour, exit through the tailpipe.
Types of catalytic converters for bikes
Bikes can have different types of catalytic converters based on design and function:
- Two-way (oxidation) converter
These converters primarily convert carbon monoxide and hydrocarbons into less harmful carbon dioxide and water. They are commonly used in smaller engines.
- Three-way converter
More advanced than two-way converters, these also reduce nitrogen oxides along with carbon monoxide and hydrocarbons. They are found in higher-capacity bikes and meet stricter emission norms.
Signs of issues with a bike’s catalytic converter
You may notice the following for a degraded or blocked converter:
- Loss of performance or poor acceleration
- Decreased fuel efficiency
- Strange smells (rotten-egg/sulfur smell).
- Difficulty starting or stalling
- Failed emissions test
- Check engine/warning lights
Tips to protect your bike’s catalytic converter
Keeping your bike’s catalytic converter in good condition not only ensures optimal performance but also helps reduce harmful emissions. Here are some practical tips to protect it:
- Use high-quality fuel: Low-grade or contaminated fuel can damage the converter’s internal components.
- Maintain your bike regularly: Regular servicing, including timely oil changes and air filter replacements, keeps the engine running smoothly.
- Fix engine issues promptly: Misfiring spark plugs or faulty fuel injectors can lead to excessive unburnt fuel, harming the converter.
- Avoid short trips frequently: Prolonged warm-ups help the converter reach optimal operating temperature, reducing wear.
- Prevent physical damage: Avoid riding over debris or rough terrain that can impact the exhaust system.
- Monitor warning signs: Pay attention to check engine lights, unusual noises or reduced performance to address issues early.
Conclusion
The use of catalytic converters in bikes is essential for reducing harmful emissions and keeping the engine running efficiently. Regular maintenance, prompt repairs and mindful riding habits can extend its lifespan and prevent costly replacements.
In addition, having two-wheeler insurance can help cover unexpected damages, ensuring peace of mind. By taking preventive steps and securing the right coverage, you can enjoy a smoother, safer and more environmentally friendly ride.
FAQs
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How long does a bike’s catalytic converter last?
With proper care, it can last many years or tens of thousands of kilometres.
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Can I remove the catalytic converter for performance?
Removing or disabling it is illegal in many jurisdictions and may worsen emissions.
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Does a converter reduce horsepower?
A clogged or damaged converter can reduce power significantly.
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Why do converters sometimes get blocked?
Contaminants like oil, coolant or carbon deposits can clog the substrate.
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Can a converter be repaired?
Not usually. If the internal structure is damaged, the converter typically needs replacement.
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Does insurance cover catalytic converter damage?
Comprehensive bike insurance may cover damages to the exhaust system, including the catalytic converter, depending on the policy terms.
Disclaimer: The information provided in this blog is for educational and informational purposes only. It may contain outdated data and information regarding the topic featured in the article. It is advised to verify the currency and relevance of the data and information before taking any major steps. ICICI Lombard is not liable for any inaccuracies or consequences resulting from the use of this outdated information.