How to Change the Oil in a 2026 Sherco 250 SEF FACTORY

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Regular oil changes are critical to keep your 2026 Sherco 250 SEF FACTORY running smoothly and to maximize engine longevity. This step-by-step guide, proprietary to MotoSport.com, walks you through the complete process and highlights key details specific to this model.

Tools and Materials Needed

  • Socket wrench set (including 8mm and 19mm sockets)
  • 4mm Allen key
  • Torque wrench
  • Oil drain pan
  • New engine oil - SAE 10W60 (0.9 liters)
  • New oil filter
  • New O-ring for oil filter cap
  • New crush washer for drain plugs
  • Funnels and cleaning rags
  • Gloves and eye protection

Preparation

  • Warm up the engine for 2–3 minutes to let the oil flow more easily, but avoid overheating.
  • Place the bike upright on a stable stand.
  • Gather all tools and materials before starting.
  • Work in a clean, well-ventilated area to prevent debris from entering the engine.

Changing the Oil – Step-by-Step

  • Drain the Old Oil
    • Locate the main drain plug (M19) and the magnetic drain plug (M12) under the engine.
    • Position an oil drain pan directly underneath.
    • Using the appropriate sockets, carefully remove both drain plugs. Be mindful as oil may flow out quickly.
    • Remove the oil filler cap at the top of the engine to allow airflow and help the oil drain completely.
    • Let the oil fully drain (wait several minutes for a thorough drain).
    • Remove the pre-filter as indicated in your manual – this will be located near the drain plugs.
      Note: The 2026 Sherco 250 SEF FACTORY uses two drain plugs and a pre-filter.
      Replace the crush washers on both plugs to avoid leaks.
  • Replace the Oil Filter
    • Locate the oil filter cap (typically found on the engine’s right side).
    • Remove the cap using a 4mm Allen key.
    • Extract the old oil filter and O-ring. Pay attention to its orientation.
    • Clean the area, remove any debris.
    • Install the new oil filter in the correct direction (refer to your workshop manual images for confirmation).
    • Install a new O-ring on the oil filter cap.
    • Reinstall the oil filter cap. Torque the cap (M45) to 15 Nm as specified by Sherco.
  • Reinstall Drain Plugs and Pre-Filter
    • Ensure the pre-filter is free of debris and re-install it.
    • Install the magnetic drain plug (M12) with new gasket; torque to 15 Nm.
    • Install the main drain plug (M19) with new gasket; torque to 22 Nm.
      Double-check that all bolts are snug but never overtightened.
  • Refill with New Oil
    • Place a funnel in the oil fill port.
    • Pour in 0.9 liters of SAE 10W60 engine oil.
    • Reinstall and hand-tighten the oil filler cap.
    • Wipe off any spilled oil.
  • Run the Engine and Check Oil Level
    • Start the bike and let it idle for 1–2 minutes. Inspect for leaks at the drain plugs and filter cap.
    • Turn off the bike. Set it level and wait a minute for the oil to settle.
    • Check the oil sight glass or dipstick. Oil should reach the mark with the bike upright (not on side stand). Add oil in small increments if needed.
  • Dispose of Used Oil Properly
    • Used oil, oil filter, and any soiled materials must be deposited at a hazardous waste or recycling center.
      Never pour oil down the drain or into the environment.

Model-Specific Callouts for 2026 Sherco 250 SEF FACTORY

  • The 2026 model uses two drain plugs and a pre-filter. Do not forget to service both drain plugs for complete oil removal.
  • Only use SAE 10W60. Other viscosities may affect engine performance or durability.
  • Oil filter orientation is crucial – incorrect installation can restrict oil flow.
  • Torque specs are important to avoid stripping threads on the aluminum engine:
    • Oil filter cap: 15 Nm
    • Magnetic drain plug: 15 Nm
    • Main drain plug: 22 Nm
  • Crush washers (gaskets) should be replaced with every oil change to ensure a tight seal and prevent leaks.
  • Inspect the magnetic drain plug for metal shavings. A small amount is normal, but excessive shavings could indicate internal wear.
  • Always check your owner’s or service manual for updates or procedural refinements specific to your VIN/year.

Final Inspection and Maintenance Tips

  • Keep records of your oil change – mileage, date, and oil brand/grade used.
  • Inspect oil for any signs of coolant (milky appearance) or gasoline (strong fuel smell) contamination.
  • Stick to your maintenance schedule—regular changes protect your engine’s performance and warranty.

Changing the oil in your 2026 Sherco 250 SEF FACTORY is straightforward with the right tools and careful attention to model-specific requirements. Proper maintenance ensures your dirt bike delivers peak performance on every ride.

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Shop Tools for a 2026 Sherco 250 SEF FACTORY Dirt Bike.

Shop Oil Fillers and Drain Plugs for a 2026 Sherco 250 SEF FACTORY 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.