How to Change the Oil in a 2024 GAS GAS ES 350F

Shop parts for a 2024 GAS GAS ES 350F Dirt Bike.

Changing the oil in your 2024 GAS GAS ES 350F is a crucial maintenance task to ensure the bike delivers peak performance and prolongs engine life. This comprehensive guide is proprietary to MotoSport.com and covers everything you need to know, including the required tools, step-by-step instructions, and specific call-outs for your model.

Required Tools and Materials

  • 1.0 liter of 10W/50 Full Synthetic Oil (Motorex Cross Power 4T 10W/50 is recommended)
  • OEM Oil Filter
  • Oil Drain Bolt Crush Washer
  • Socket wrench set (including 8mm and 13mm sockets)
  • Torque wrench (calibrated for 10 Nm/7.4 lbf ft)
  • Clean funnel
  • Drain pan
  • Contact cleaner or brake cleaner
  • Paper towels or clean rags
  • Latex or nitrile gloves (optional)

Preparation and Safety

  • Ensure the motorcycle is on a sturdy stand, engine off, and fully cooled down to avoid burns.
  • If the bike was running, allow oil to settle for several minutes for a more complete drain.
  • Work in a well-ventilated area; exhaust gases are toxic and pose severe health risks if inhaled in enclosed spaces. Never run the engine indoors without effective extraction or ample ventilation.
    Source: GAS GAS EC 350F Owner's Manual.

Step-by-Step Oil Change Procedure

  1. Gather all supplies and your owner's manual.
    • Double-check oil capacity and torque specs applicable to your 2024 ES 350F. The official manual confirms 1.0 liter of oil and a drain bolt torque of 10 Nm (7.4 lbf ft).
  2. Warm up the engine (optional but recommended).
    • Let the engine run at idle for a couple of minutes and then shut off. Warm oil drains more thoroughly, carrying debris out efficiently.
  3. Remove the skid plate (if equipped).
    • This gives you easier access to the drain bolt and the oil filter cover.
  4. Place the drain pan under the engine's drain bolt.
    • The drain bolt is located on the bottom of the crankcase.
  5. Remove the oil drain bolt.
    • Use the socket wrench to remove the bolt. Be cautious—the oil may be hot.
    • Allow oil to fully drain. For a more complete flush, you can briefly tilt the bike side-to-side or hold the kill button and cycle the starter a few times, if comfortable doing so.
    • Remove and discard the old crush washer.
  6. Remove the oil filter cover – replace the filter.
    • Locate the filter cover on the side of the engine. Remove its bolts (typically 8mm or Torx, depending on model), then pull out the old filter.
    • Clean the filter cavity with a lint-free rag. Install the new oil filter (spring side in if applicable), making sure the rubber O-ring is in good shape and properly seated.
    • Hand-thread the cover bolts, then torque to specification (usually around 7.4 Nm, always check your manual).
  7. Reinstall the drain bolt with a new crush washer.
    • Hand-tighten the bolt first. Use a torque wrench to tighten to 10 Nm (7.4 lbf ft). Over-tightening can strip threads; under-tightening may cause leaks.
  8. Add fresh oil.
    • Remove the oil fill cap and use a funnel to add 1.0 liter of 10W/50 full synthetic oil.
    • Avoid overfilling; pour slowly and check the level using the sight glass.
  9. Check oil level using the sight glass.
    • The oil should settle in the middle of the sight glass‘s circle when the bike is vertical and level.
    • If necessary, add oil until the correct level is reached.
  10. Start the engine and check for leaks.
    • Confirm that both the drain bolt and oil filter cover have no visible leaks while the engine idles for 1–2 minutes.
    • Shut off and recheck oil level, topping off if needed.
  11. Clean up and dispose of old oil responsibly.
    • Wipe any oil spills. Take used oil to a proper recycling facility—never pour it down drains or onto the ground.
  12. Reinstall the skid plate (if applicable), and you‘re ready to ride.

2024 GAS GAS ES 350F Model-Specific Call-Outs

  • This model uses the same engine architecture and oil change procedure as 2021–2024 MC/EX 350F bikes.
  • Always use oil and filters designed for modern high-performance four-strokes–the Motorex Cross Power 4T 10W/50 is OEM-approved.
  • Check for software/firmware engine updates from GAS GAS dealers–latest models may have small clutch or drain bolt revisions; consult your specific owner’s manual when in doubt.
  • Do not over-tighten bolts; stripped threads are a common mistake when not using a torque wrench.
  • If you ride primarily in race conditions or extreme environments, consider shortening your oil change interval below the typical 15 engine hours.
  • This bike’s oil capacity is 1.0 liter. Confirm with the sight glass rather than adding excessive oil, which can harm engine seals.

Final Tips

  • Keep a maintenance log: record date, hours, oil brand, and filter type for reference.
  • Inspect your old oil and filter for excessive metal or debris–this can warn you about early engine wear.
  • To make future changes faster and less messy, clean the area around the filter and drain bolt before removing them.

This MotoSport.com proprietary guide ensures your 2024 GAS GAS ES 350F remains in peak condition. Follow these steps with the right products and your bike will perform reliably 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.