How to Change the Oil in a 2022 Sherco 300 SEF FACTORY

Shop parts for a 2022 Sherco 300 SEF FACTORY Dirt Bike.

Keeping your 2022 Sherco 300 SEF FACTORY in top condition starts with regular oil changes. This comprehensive guide, proprietary to MotoSport.com, walks you through the process, covering required tools, step-by-step instructions, and essential model-specific details to ensure a flawless oil change every time.

Tools and Supplies Needed

  • 8mm socket
  • 17mm socket
  • 4mm Allen wrench
  • Torque wrench (recommended for precise reassembly)
  • Oil drain pan
  • Clean rags
  • Replacement crush washers (gaskets) for drain bolts
  • New oil filter
  • SAE 10W-60 full synthetic engine oil (0.9L required)
  • Funnel
  • Gloves (optional, for cleanliness)

Model-Specific Call-Outs

  • The 2022 Sherco 300 SEF FACTORY features a magnetic drain plug and two drain bolts–both must be removed for a complete oil drain.
  • The oil filter and drain bolts require new O-rings or crush washers at each service to avoid leaks.
  • This model uses a sight gauge on the clutch housing to check oil level—do not overfill.
  • Recommended oil for optimal performance and longevity is SAE 10W-60 full synthetic.
  • Be sure to replace the oil filter with every oil change for maximum engine protection.

Step-by-Step Oil Change Instructions

  • Warm Up the Engine:
    • Start the bike and let it idle for 2-3 minutes. This helps suspend impurities in the oil and makes it drain faster.
    • Turn off the ignition. Ensure the bike is stable on its stand, ideally on a flat, solid surface.
  • Remove the Skid Plate or Engine Guard (if fitted):
    • Use the appropriate tools to remove the engine guard for easier access to the drain plugs.
  • Drain the Engine Oil:
    • Position your drain pan beneath the engine, under the drain bolts.
    • Using a 17mm socket, remove Drain Plug 1.
    • Locate and remove the magnetic drain plug using a 12mm socket. Both plugs have crush washers; discard and replace them with new ones during reinstallation.
    • Allow oil to drain completely. Inspect the magnetic plug for metal debris–excess material may indicate engine wear.
  • Remove and Clean Pre-Filters:
    • Locate the pre-filter screens (consult your service manual for exact locations).
    • Remove and clean them using a lint-free rag or compressed air. Rinse with fresh oil if needed before reinstalling.
  • Change the Oil Filter:
    • With a 4mm Allen wrench, remove the oil filter cover.
    • Extract the old oil filter and dispose of it responsibly.
    • Install the new filter, ensuring correct orientation as per the manual.
    • Reinstall the oil filter cover with a new O-ring, tightening to the specified torque (usually 15Nm for oil filter cap).
  • Install Drain Plugs and Pre-Filters:
    • With the oil thoroughly drained, reinstall both drain plugs using fresh crush washers.
    • Tighten to manufacturer-recommended torque: 22Nm for Drain Plug 1 (M19), 15Nm for Magnetic Plug (M12).
    • Reinstall cleaned pre-filters, ensuring proper fit and orientation.
  • Refill with New Engine Oil:
    • Remove the oil filler cap located on the clutch housing.
    • Using a funnel, pour 0.9 liters of SAE 10W-60 full synthetic oil into the engine.
  • Check the Oil Level:
    • With the bike upright and on a level surface, check the oil level via the sight glass. The correct level is usually midway in the sight window.
    • Add small amounts of oil if necessary to reach the proper level, being careful not to overfill.
  • Reinstall Engine Guard/Skid Plate:
    • If you removed the engine protection, reinstall it now.
  • Start the Engine and Inspect for Leaks:
    • Run the engine for 2-3 minutes. Shut off the bike and recheck the oil level, topping off as needed.
    • Examine drain plugs and filter area for leaks. Tighten as required.
  • Dispose of Used Oil and Filter Responsibly:
    • Take used oil and filters to an appropriate recycling facility; never pour oil down the drain or onto the ground.

Sherco 300 SEF FACTORY Oil Change Tips

  • Change oil and filter every 15 hours for racing or harsh conditions, or as per owner's manual recommendations.
  • Always use the recommended full synthetic 10W-60 oil for optimal clutch and engine performance.
  • Inspect magnetic plug at every service to monitor engine health.
  • Check the condition of removed O-rings and seals; replace any that look worn or damaged.
  • Record the service in your maintenance log for warranty and resale value.

Final Checks

  • Verify all fasteners are tightened to specification.
  • Confirm that your oil level is correct.
  • Double-check for leaks after a short ride.

Changing the oil on your 2022 Sherco 300 SEF FACTORY isn't difficult, but attention to detail and proper technique will ensure your bike runs flawlessly for hours to come. For genuine parts and expert advice, trust MotoSport.com—your source for everything Sherco.

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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.