Air Filter Cleaning – Replacement Guide for 2019 Suzuki DRZ50

Shop parts for a 2019 Suzuki DRZ50 Dirt Bike.

Maintaining a clean air filter is crucial for the performance and life of your 2019 Suzuki DRZ50. The DRZ50’s compact size and air-cooled four-stroke engine make routine filter service especially important for keeping dirt and debris out of the motor. Follow this proprietary MotoSport guide for the most effective cleaning – or when it’s time, replacing – your DRZ50 air filter.

When to Service or Replace the Air Filter

  • Check your air filter after every few rides, or more frequently if riding in dusty, sandy, or muddy conditions.
  • Clean the filter whenever it looks dirty or after any ride involving significant dust or mud.
  • Replace the filter if it is torn, deteriorating, or won’t come clean after servicing.

Tools & Supplies You Will Need

  • Socket wrench or screwdriver (to remove seat and filter cover)
  • Air filter cleaner or mild dish soap
  • Foam air filter oil
  • Clean water
  • Rags and gloves
  • Small amount of waterproof grease
  • Replacement air filter (if needed)

Step-by-Step: Cleaning & Reinstalling the Air Filter

  1. Remove the seat: Use the appropriate tool to access the filter compartment.
  2. Open the airbox cover: Remove the screws or fasteners holding the cover. Note the fitment order for reassembly.
  3. Remove the air filter and filter cage: Gently pull the filter and cage out. Be careful not to knock dirt into the air boot.
  4. Inspect the air filter: Look for tears or damage. If the foam is compromised, install a new filter for optimal protection.
  5. Clean the filter:
    • If reusing, apply air filter cleaner or mild dish soap. Work the cleaner through the foam.
    • Rinse thoroughly, always from the inside out to flush out dirt – never wring as you can tear the foam.
    • Repeat until the filter is free of contaminants.
  6. Allow the filter to air dry completely – never use compressed air or heat, as this can damage the foam.
  7. Oil the filter: Once dry, apply foam air filter oil evenly. Work it into the foam for full coverage, but do not over-oil. Squeeze out any excess.
  8. Grease the base: Apply a thin layer of waterproof grease to the outer sealing rim. This helps prevent fine dust and dirt from bypassing the filter and entering the engine.
  9. Reinstall the filter on the cage: Place the air filter back onto its cage, ensuring it seats correctly.
  10. Reinstall filter, cover, and seat: Reverse your disassembly steps. Double-check seal and fit.

Special Considerations for the 2019 Suzuki DRZ50

  • The DRZ50’s compact airbox requires precision to avoid dislodging debris into the intake. Always clean the airbox thoroughly with a rag before reinstallation.
  • Factory filters may be lightly oiled; always re-oil after cleaning to maintain filtration efficiency.
  • Monitor the filter cage for signs of corrosion or damage, especially after wet or muddy rides.
  • Young riders are common on the DRZ50 – ensure an adult double-checks filter fitment to avoid air leaks that could cause engine damage.

Signs You Need a Replacement

  • Permanent discoloration after several cleanings
  • Tears, cracks, or hardened foam
  • A loose fit due to age or deformation

Proper air filter care is the simplest step you can take to keep your 2019 Suzuki DRZ50 running strong. Always use high-quality air filter oil and genuine or performance-grade replacement elements for best results – all available through MotoSport.com.

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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.