How to Change the Oil in a 2024 GASGAS EX 350F – A MotoSport.com Guide

Shop parts for a 2024 GASGAS EX 350F Dirt Bike.

Regular oil changes are critical to maximizing performance and lifespan for your 2024 GASGAS EX 350F. This guide covers the complete procedure, including recommended tools and exclusive tips for your particular make and model. Changing your oil regularly—preferably every 10–15 operating hours—will help keep your bike in peak condition.

Tools and Supplies Needed

  • 10mm and 13mm sockets (socket wrench set)
  • Torque wrench (for precise torque settings)
  • Drain pan (to collect used oil)
  • Rubber gloves (for safety and cleanliness)
  • Rags or shop towels
  • Needle nose pliers (for oil screen removal)
  • New oil filter (OEM recommended)
  • 1.0 liter Motorex Cross Power 4T 10W/50 full synthetic oil
  • New drain bolt crush washer
  • Contact cleaner (optional, for cleaning area)
  • Measuring cup (if you're particular about oil level)
  • Grease (optional, to prep washer and bolt threads)

A dedicated oil change kit that fits the 2024 GASGAS EX 350F comes with the correct oil, filter, and crush washer, ensuring you have everything on hand for a seamless service.

Step-by-Step Oil Change Process

  1. Warm Up the Engine
    • Start the bike and let it idle for 3–5 minutes. This helps the oil flow more freely and suspend contaminants for a thorough drain.
  2. Position the Bike and Prep Work Area
    • Place the bike on a level stand.
    • Position your drain pan under the engine’s oil drain bolt.
  3. Drain the Oil
    • Use a 13mm socket to carefully loosen and remove the oil drain bolt. Be cautious—oil will be hot.
    • Let the oil drain fully. Inspect and remove the crush washer.
  4. Remove and Clean Oil Screen/Strainer
    • Locate the oil screen bolt (often 13mm). Remove it and pull out the oil screen using needle nose pliers.
    • Inspect and clean the oil screen; rinse in clean solvent if necessary and dry before reinstallation.
  5. Remove and Replace Oil Filter
    • Remove the oil filter cover bolts (usually 8mm or 10mm). Carefully take out the cover and remove the old oil filter.
    • Lubricate the new filter's seals with a dab of clean oil, then install—make sure it seats correctly.
  6. Install New Crush Washer and Reinstall Drain Components
    • Place the new crush washer on the drain bolt. Lightly grease the washer and threads for an optimal seal and easier removal next time.
    • Install the cleaned oil screen. Torque the drain bolt and oil screen bolt according to factory spec (refer to your owner’s manual—typically 10–15 Nm).
  7. Add Fresh Oil
    • Pour in 1.0 liter of Motorex Cross Power 4T 10W/50 full synthetic oil. Use a funnel for clean pouring.
    • Replace and tighten the oil fill cap.
  8. Check Oil Level
    • Start the bike and let it idle for a minute.
    • Turn off the bike and let it sit for a minute, then check the oil sight glass or dipstick. Ensure oil level is within recommended range—add a little if necessary.
  9. Inspect for Leaks and Clean Up
    • Wipe down engine cases and drain areas with shop towels.
    • Confirm there are no drips or leaks from the drain bolt, screen, or filter cover after a short test ride.
  10. Dispose of Used Oil Properly
    • Transfer used oil to a sealed container and take it to a recycling center or automotive shop.

Model-Specific Call-Outs for the 2024 GASGAS EX 350F

  • Changing the oil filter and oil screen is key—this engine design uses both for optimal lubrication and debris filtration.
  • Always use a new OEM crush washer with every oil change to prevent leaks.
  • Capacity for the EX 350F is 1.0 liter. Overfilling can result in excessive crankcase pressure; always double-check the level as detailed above.
  • Crush washer and filter access is identical to KTM and Husqvarna 350 engines but always check your GASGAS manual for torque specs and part placement.
  • On initial startup after your oil change, check for leaks around the drain bolt, filter cover, and oil screen bolts. Retorque gently if anything seeps.

Expert Tips

  • Changing oil sooner than the maximum interval is wise (especially after hard riding or dusty conditions).
  • Mark the date or hours run at every service for reference.
  • Wipe the magnetic tip of the drain bolt to remove metal particles before reinstalling for early warning of internal wear.
  • Consult your owner’s manual or MotoSport.com tech team for recommended torque values and troubleshooting support.

With proper tools, the right oil kit, and this step-by-step routine, your 2024 GASGAS EX 350F will keep "on the gas" for many rides to come. Trust MotoSport.com for all your parts, support, and dirt bike how-tos.

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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.