Air Filter Cleaning – Replacement Guide for 2020 Husqvarna TE150i
Shop parts for a 2020 Husqvarna TE150i Dirt Bike.
Maintaining the air filter on your 2020 Husqvarna TE150i is essential to ensure optimal engine performance and safeguard against dust and debris. This model uses a quick access airbox and a tailored filtration system that supports the fuel-injected two-stroke engine's sensitive air-fuel metering, making regular air filter care critical.
Why Air Filter Maintenance Is Vital for Your TE150i
- Engine Protection: Prevents dirt and debris from entering the fuel-injected engine, a major concern for TPI (Transfer Port Injection) systems like those on the TE150i.
- Performance: A clean filter ensures proper air flow, aiding throttle response and smooth power delivery.
- Longevity: Reduces premature engine wear and helps maintain fuel economy and reliability.
Tools & Supplies Needed
- Motocross-specific air filter oil and cleaner
- Clean, lint-free rags
- Gloves
- Replacement air filters (pre-oiled optional)
- Bucket or large tub for cleaning
How to Remove the Air Filter
- Ensure the dirt bike is on a stand and the engine is cool.
- Remove the right side cover – no tools are needed for access due to Husqvarna's quick-release design.
- Gently pull the air filter cage with the filter attached straight out of the airbox. Note the position of the filter and cage alignment tab.
Cleaning the Air Filter
- Carefully separate the filter from the cage to avoid tearing the foam.
- Tap the filter to remove loose dirt.
- Soak the filter in a specialized cleaning solution, kneading gently to dissolve oil and debris.
- Rinse thoroughly with clean water. Do not use high-pressure washers, which can degrade the filter.
- Allow to air dry completely – do not use heat, which can warp the foam.
Oiling & Reinstalling the Air Filter
- Apply filter oil evenly across the entire foam surface; work it in by hand to ensure thorough saturation but avoid excess dripping.
- Mount the filter back onto the cage, ensuring it seats fully around the sealing edge.
- Carefully reinstall the filter and cage assembly into the airbox, aligning tabs for a proper seal.
- Reinstall the right side panel – listen for the click indicating it's secure.
When Should You Replace the Air Filter?
- Visual damage: Replace at any signs of tears, hardening, or loose seams.
- Excessive build-up: If the filter cannot be cleaned fully, play it safe and install a new one to protect the TPI system.
Important 2020 TE150i Air Filter Notes
- The 2020 TE150i uses a tool-less side panel design for rapid air filter access, which simplifies the cleaning routine.
- The sensitive two-stroke TPI engine depends on a perfectly sealed, well-oiled filter – even a small leak can impact fuel metering and engine life.
- Inspect the airbox for any trapped water or mud when servicing the filter, as this can compromise engine performance.
Pro Tips for TE150i Owners
- Keep a spare pre-oiled filter ready for quick swaps during long rides or races.
- Always double check the air filter flange and cage fitment – the unique Husqvarna design must be fully seated to avoid dust bypass.
Follow this guide to keep your 2020 Husqvarna TE150i running at its peak – clean and replace your air filter regularly, and enjoy enhanced performance and reliability on every ride.
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Disclaimer: This guide is provided for general informational purposes only and is not intended to replace your motorcycle's official owner's manual. Always refer to your manufacturer's documentation for model-specific instructions, torque specifications, safety procedures, and maintenance requirements. If you are unsure or inexperienced, consider seeking assistance from a qualified mechanic or technician.
