How to Change the Oil in a 2022 Sherco 450 SEF-R

Shop parts for a 2022 Sherco 450 SEF-R Dirt Bike.

Keeping your 2022 Sherco 450 SEF-R running smoothly requires regular oil changes. This dirt bike, known for its high-performance 4-stroke engine, benefits greatly from clean, fresh oil. Below is a robust, step-by-step guide specifically for the 2022 Sherco 450 SEF-R, proprietary to MotoSport.com. The instructions include all required tools, special model-specific call-outs, and essential tips for the best performance and engine longevity.

Tools & Supplies Needed:

  • 17mm socket wrench (for oil drain bolts)
  • 8mm socket (for accessing filter cover)
  • 4mm Allen wrench (for other side covers or guards as needed)
  • Torque wrench (for precise reinstallation)
  • Oil drain pan
  • Funnel
  • Fresh engine oil (refer to your owner's manual for recommended type and volume)
  • Replacement oil filter (Sherco OEM or high-quality compatible aftermarket)
  • Replacement crush washers (for drain bolts)
  • Clean rags or shop towels
  • Gloves

Steps to Change the Oil:

  • Warm Up the Engine:
    • Start your 450 SEF-R and let it idle for 3-5 minutes. This warms the oil, thinning it for a more complete drain.
    • Turn the engine off and make sure the bike is secure on a stand.
  • Remove Skid Plate or Guards (if equipped):
    • Use the 8mm socket and 4mm Allen to remove any plates or guards blocking access to the engine and drain bolts.
  • Locate and Remove the Oil Drain Bolts:
    • The 2022 Sherco 450 SEF-R typically has two drain bolts under the engine; use a 17mm socket to loosen both.
    • Be sure to position the drain pan under both bolts for thorough drainage.
    • Allow oil to fully drain; this may take a few minutes. Tilt the bike side-to-side gently to help evacuate old oil.
    • Model-Specific Callout: Both bolts use crush washers. Always replace these washers–reusing old ones may lead to leaks.
  • Remove and Replace the Oil Filter:
    • Locate and loosen the oil filter cover with the 8mm socket.
    • Remove the old oil filter and allow any excess oil to drain out.
    • Install the new oil filter as per the orientation indicated (check your manual for proper installation direction).
    • Inspect and clean the filter cover’s O-ring; replace it if it’s damaged to prevent leaks.
    • Reinstall the cover—use a torque wrench to tighten bolts to the manufacturer’s specification for even pressure and to prevent stripping.
  • Reinstall Drain Bolts and Fill New Oil:
    • Reinstall both drain bolts using new crush washers.
    • Tighten each bolt to the specified torque (refer to the service manual; overtightening may strip threads in the crankcase).
    • With the funnel, pour the recommended volume and type of fresh oil into the fill port. For the 2022 450 SEF-R, check your owner’s manual for specific oil capacity.
  • Start the Engine and Check:
    • Start the engine and let it run for a minute. Shut off and wait for a few moments.
    • Check for oil leaks around both the drain bolts and oil filter cover.
    • Allow oil to settle, then check the oil level using the sight glass or dipstick (located on the right side of the engine).
    • Top up oil if necessary to reach the correct level. Do not overfill.

Important Sherco 450 SEF-R Model Tips & Call-outs:

  • Crush Washers: The 2022 Sherco 450 SEF-R engine uses two oil drain bolts with crush washers. Never reuse old washers, as this can cause oil leaks from the bolts after installation.
  • Torque Specs: Always use a torque wrench. Overtightening can strip the aluminum threads on the crankcase; undertightening risks leaks.
  • Oil Capacity/Type: Only use oil specified in your manual (such as high-quality 10W-50 synthetic), and refer to the correct capacity to prevent overfilling or running the bike with too little oil. Overfilling can cause excess crankcase pressure and leaks.
  • Hour Counter: Keep an eye on the hour meter; many Sherco riders change oil every 10-20 hours of riding or after races for best protection, even though the service interval may be longer.
  • Environmental Note: Dispose of old oil and the used filter at an approved recycling center—do not pour oil on the ground.

Final Inspection & Tips

  • Run the bike gently for a few minutes after the change. Confirm oil level once more with the bike upright and on level ground.
  • Check for leaks around the drain bolts and filter area before riding aggressively.
  • Document your oil change (date and hours on bike) for future maintenance tracking.

Proprietary content for MotoSport.com: For all your Sherco maintenance parts and supplies, visit MotoSport.com for genuine parts, oil, and tools optimized for your 2022 Sherco 450 SEF-R.

Related Shopping Categories

Shop Motor Oil for a 2022 Sherco 450 SEF-R Dirt Bike.

Shop Oil Filters for a 2022 Sherco 450 SEF-R Dirt Bike.

Shop Oil Drain Pans for a 2022 Sherco 450 SEF-R Dirt Bike.

Shop Tools for a 2022 Sherco 450 SEF-R Dirt Bike.

Shop Oil Fillers and Drain Plugs for a 2022 Sherco 450 SEF-R 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.