How to Change the Oil in a 2020 Sherco 300 SE FACTORY

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Proper maintenance is the key to a long-lasting and reliable dirt bike, and regular oil changes are crucial for optimal performance. This guide walks you through the process of changing the oil on a 2020 Sherco 300 SE FACTORY, detailing all the unique steps for this model, the tools you'll need, and several important tips to keep your machine running perfectly. Brought to you by MotoSport.com.

Tools and Supplies You’ll Need

  • 8mm socket or Allen wrench (for drain plug removal)
  • 17mm socket (for secondary plug/bolt)
  • 4mm Allen head (may be needed for oil filter cover, check your bike)
  • Drain pan (at least 2 liters)
  • Torque wrench
  • New oil filter (replace at each oil change)
  • New crush washers for drain plugs and oil filter cover
  • Sherco-recommended oil: SAE 10W60, approximately 0.9L for refill
  • Oil funnel (to avoid spills)
  • Shop towels or rags (for cleanup)
  • Gloves (to protect your hands)

Special Call-Outs for 2020 Sherco 300 SE FACTORY

  • The 300 SE FACTORY uses a dual-drain bolt system on the bottom of the case. BOTH must be removed and reinstalled.
  • Always use new crush washers on all drain bolts to ensure proper sealing.
  • Never use an impact tool—hand tools only, to avoid damaging threads.
  • The oil capacity is 0.9L, and only use SAE 10W60 synthetic oil.
  • Do not over-tighten drain or filter cover bolts. Use a torque wrench to avoid stripping threads: drain plug 1 at 22 Nm, magnetic drain plug and filter cap at 15 Nm each.
  • Replace the oil filter at every oil change.
  • Oil and filter should be recycled responsibly—do not dispose of them in regular trash or down a drain.

Step-By-Step Oil Change Instructions

  1. Warm up the engine.
    • Start and run the engine for 2-3 minutes (do not ride). This warms the oil, making it flow out more completely.
  2. Secure the bike.
    • Place the bike on a level stand. Allow several minutes for the oil to settle in the sump.
  3. Locate and remove both drain plugs.
    • Position your drain pan beneath the bottom of the engine.
    • Using your 8mm (or 17mm, depending on the bolt) socket or Allen, remove both drain bolts from the bottom of the crankcase. One is the main drain; the other is a magnetic drain plug for catching metal debris.
    • Allow all oil to drain completely. Inspect the magnetic drain plug for metal shaving accumulation—a small amount is normal, but excessive metal can indicate problems.
  4. Remove the oil filter.
    • Locate the oil filter cover (right side of engine).
    • Remove the cover bolts with the appropriate Allen (usually 4mm).
    • Take out the old oil filter. Be sure to note the filter’s orientation for proper installation of the new one.
    • Replace the old filter with a new Sherco-specific filter.
  5. Clean and reinstall drain plugs and filter cap.
    • Clean both drain plugs and the filter cover thoroughly.
    • Always install fresh crush washers on drain plugs and filter cover.
    • Thread the main drain plug (M19) in by hand first, then torque to 22 Nm.
    • Torque the magnetic drain plug and oil filter cover to 15 Nm each.
  6. Refill with fresh oil.
    • Remove the oil filler cap.
    • Place a funnel in the fill port and pour in 0.9L of SAE 10W60 premium motorcycle oil.
  7. Double-check oil level and for leaks.
    • Wait a few minutes for oil to settle.
    • Check the oil level via the sight glass (right side of crankcase). Top up as needed, but do not overfill.
    • Inspect all bolts and covers for leaks.
  8. Start engine and inspect.
    • Start the bike and run for 1-2 minutes. Turn off and recheck the oil level.
    • Inspect for leaks at the filter cover and drain bolts again.
  9. Dispose of old oil and filter responsibly.
    • Take used oil and filters to a local recycling center.
    • Do not pour down sink, drain, or discard in regular garbage.

Common Owner Questions for 2020 Sherco 300 SE FACTORY Oil Changes

  • What’s the service interval? Though the manual claims up to 100 hours per oil change, most experienced owners recommend 10–15 hours to maximize engine longevity, especially in harsh conditions.
  • What if I see metallic debris? Some residue is normal, but lots of shavings could signal a mechanical issue. Keep an eye on changes from one oil change to the next.
  • Do I need to change the filter every time? Yes, the filter must be replaced at every oil change to keep the engine protected and flowing properly.
  • What oil should I use? Always use high-quality synthetic 10W60 motorcycle oil. Lower-quality oils or the wrong viscosity may harm your engine.

MotoSport.com is dedicated to keeping your Sherco 300 SE FACTORY running in peak condition. Follow this guide for reliable oil changes and years of dependable riding.

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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.