Air Filter Cleaning – Replacement Guide for 2017 Husqvarna FC350

Shop parts for a 2017 Husqvarna FC350 Dirt Bike.

The 2017 Husqvarna FC350 features an advanced, high-performance four-stroke engine that requires meticulous air filtration for maximum power and engine longevity. Keeping the air filter clean and well-oiled ensures your FC350 breathes easy – vital for both peak performance and engine protection. Below you’ll find MotoSport’s exclusive guide to proper air filter cleaning and replacement specific to your 2017 model.

Why Air Filter Maintenance Matters for FC350

  • Engine Longevity: The FC350 engine runs at high RPMs and needs a clean, oil-impregnated foam air filter to prevent abrasive dust and dirt from causing premature wear.
  • Performance Consistency: A clogged or damaged air filter restricts airflow, resulting in power loss and poor throttle response.

Recommended Tools & Supplies

  • Nitrile gloves
  • Biodegradable or solvent-based air filter cleaner (match your filter oil type)
  • High-quality foam air filter oil
  • Grease for filter lip sealing (optional, see notes below)
  • Clean bucket & soft brush
  • Rags or paper towels

Step-by-Step Air Filter Removal

  1. Remove the seat by releasing the rear quick-release tabs.
  2. Access the airbox on the right side of the bike.
  3. Locate the two tabs holding the air filter cage in place. Press these tabs and gently pull the air filter and cage assembly out.
  4. Carefully detach the foam filter from the cage, noting alignment for reinstallation.

Cleaning the Air Filter

  1. Fill a bucket with designated air filter cleaner – ensure compatibility with your filter oil (biodegradable oils require specific cleaners).
  2. Submerge and gently work the filter, squeezing (not twisting) to force out dirt. Repeat if necessary with clean solution.
  3. Rinse with clean water until all cleaner and debris are gone.
  4. Allow the filter to air dry completely. Never use direct heat.

Oiling & Reinstalling the Air Filter

  1. With clean gloves, apply air filter oil evenly, massaging it into the foam. Every part of the filter must be saturated for effective filtration.
  2. (Optional) Lightly grease the sealing edge (filter lip) before installation for extra protection against fine dust–some owners use filter oil alone, others prefer a light bead of grease for added assurance.
  3. Refit the filter onto the cage, ensuring proper alignment and no gaps.
  4. Insert the filter and cage back into the airbox, making sure tabs lock into place.
  5. Wipe the airbox interior clean of any debris before installing the seat.

When to Clean or Replace the Air Filter

  • Inspect the filter after every ride in dusty conditions, or every 2-4 hours of heavy use.
  • Replace the filter if the foam is torn, loses shape, or remains dirty after thorough cleaning.
  • Always keep a spare clean and oiled filter ready for quick swaps between rides.

2017 FC350 Model-Specific Notes

  • The FC350’s airbox design allows tool-free access for rapid filter changes, ideal for trackside maintenance.
  • The engine’s high output makes clean, well-oiled filtration crucial to avoid costly damage or performance drops.
  • Be careful not to over-oil, as it can restrict airflow and pool in the bottom of the airbox.

Meticulously maintaining your air filter is one of the most essential & cost-effective habits for keeping your 2017 Husqvarna FC350 running strong, whether you’re at the track or deep in off-road terrain. Ride hard, ride smart, and keep your filter serviced with help from MotoSport.

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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.