How to Troubleshoot a Motorcycle Air Filter
Motorcycles rely on air filters to prevent dirt and debris from entering the engine's sensitive internal parts. A faulty, damaged or improperly maintained air filter can create a loss of performance---and it can drastically increase the risk of premature piston wear and ring failure. Here's how to troubleshoot your motorcycle air filter.
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Instructions
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Visually inspect the air filter without removing it from your bike. Look closely for any obvious signs of damage within the filter media, such as tears or holes.
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Remove the air filter from the manifold or air box, and inspect both sides of the filter for concealed tears or punctures. Replace it immediately if it is damaged in any way.
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Inspect the filter media for any clogs or excessive dirt buildup. A dirty air filter will starve your motorcycle of the right amount of air needed to combust properly, creating a richer mixture. That can lead to serious engine damage if left unchecked. Clean or replace the air filter as soon as possible.
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Check the air filter's mounting surface or manifolds for any cracks or wear that may allow air and dirt to leak into the system. Additional air that enters into the air box or carburetor through a gap or hole within the seating surface can disrupt the air/fuel ratio, creating a leaner mixture and a loss of power. Replace any damaged parts immediately.
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Tips & Warnings
Invest in an aftermarket performance air filter. In addition to enhancing the performance of your motorcycle, these filters are often reusable and cleanable. This is good for your wallet and the planet. Check thoroughly for leaks that can create an unnecessary vacuum. These leaks, though minor, can cause trouble elsewhere in the system. If you are having difficulty determining the cause of your problems, consult a qualified technician.
Never clean your air filter with compressed air. Filters, especially aftermarket air filters, are not designed to withstand the pressure exerted by compressed air, and they will be easily damaged.
