Air Filter Cleaning – Replacement Guide for 2017 GAS GAS TXT-Pro-Racing-125

Shop parts for a 2017 GAS GAS TXT-Pro-Racing-125 Dirt Bike.

The 2017 GAS GAS TXT-Pro-Racing-125 demands peak airflow for reliable performance in every observed section, making routine air filter cleaning & replacement essential. This unique trials bike features a compact yet easily accessible airboxheld in place with a single boltand uses a high-quality Twin Air filter as OEM equipment. Below you'll find MotoSport's proprietary step-by-step guide designed specifically for your TXT-Pro-Racing-125.

What Makes the TXT-Pro-Racing-125 Air Filter Unique?

  • Quick access airbox: The cleverly designed airbox is secured by one bolt for fast filter changes, minimizing downtime.
  • Space-efficient design: The slim, ergonomic bodywork aids both rider movement and straightforward air filter removaleven trailside.
  • Top-grade foam: Most replacements and originals use premium foam, ensuring optimal dust filtration for the 125cc two-stroke engine.

When Should You Clean or Replace the Air Filter?

  • Before each major ride or event.
  • After every dusty, dirty, or wet ride.
  • Any time the filter appears darker, feels saturated, or if engine response drops.

Tools – Supplies Required

  • 8 mm T-handle or socket wrench
  • Clean, lint-free towels
  • Foam air filter cleaner
  • Filter-specific oil (foam filter oil recommended)
  • Fresh replacement filter if needed (preferably OEM Twin Air or equivalent)
  • Latex or nitrile gloves

Air Filter Removal

  1. Ensure the bike is on a clean, stable stand.
  2. Remove the seat or side panel as required to reveal the airbox (most are held with quick-release fasteners or bolts).
  3. Loosen the single airbox securing bolt. Carefully remove the cover.
  4. Gently pull the air filter awaynote the position and orientation for correct reinstallation.
  5. Inspect the airbox for accumulated dirt. Wipe clean with a damp cloth, avoiding any debris falling into the intake tract.

Cleaning the Air Filter

  1. Saturate the foam filter with specialized air filter cleaner. Work the cleaner throughout by hand.
  2. Rinse thoroughly with cool, clean water. Repeat cleaning if necessary until the filter appears spotless.
  3. Gently squeezenever wring or twistthe foam to remove excess water. Let dry completely in a dust-free environment.

Oiling – Reinstallation

  1. Pour filter oil evenlynever over-saturate. Work oil into the foam for full coverage. Remove any excess oil with paper towels.
  2. Install the clean, oiled filter into the airbox, ensuring perfect fitment and coverage of the sealing surface. Align as per removal orientation.
  3. Reattach the airbox cover and secure with the bolt.
  4. Reinstall the seat or side panel, double-check fasteners, and start the engine briefly to verify proper airflow and idle.

Replacement Tips – Model Owner Insights

  • Sealing is critical: The TXT-Pro-Racing-125 airbox design makes it easy to overlook proper sealing. Always check for a snug fit, as intake leaks can damage the two-stroke engine.
  • Use only foam filter oil: Avoid engine or transmission oils–these are not formulated for foam filters and may impair breathing or filtration.
  • Spare filter advantage: With fast one-bolt access, carry a spare pre-oiled filter for quick swaps between events or long rides.
  • Bodywork flexibility: The Polypropylene body panels on the 2017 model will flex rather than crack, allowing repeated access to the airbox even in rugged conditions.

Prolonging Engine Health

For the TXT-Pro-Racing-125, air filter hygiene directly affects the 125cc two-stroke engine&rsquos output and component lifespan. Consistent cleaning or replacement can prevent premature top-end wear, maintain throttle response, and ensure maximum performance on technical sections.

Related Shopping Categories

Shop Air Filters for a 2017 GAS GAS TXT-Pro-Racing-125 Dirt Bike.

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Shop Air Box Covers for a 2017 GAS GAS TXT-Pro-Racing-125 Dirt Bike.

Shop Tools for a 2017 GAS GAS TXT-Pro-Racing-125 Dirt Bike.

Shop Intake Parts for a 2017 GAS GAS TXT-Pro-Racing-125 Dirt Bike.

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.