How to Change the Coolant in a 2020 Sherco 500 SEF FACTORY

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Changing the coolant in your 2020 Sherco 500 SEF FACTORY is an important maintenance procedure that ensures your bike's high-performance four-stroke stays protected from overheating and internal corrosion. Here's a step-by-step guide made exclusively for MotoSport.com customers, plus critical notes unique to your model.

Preparation – What You Need

  • Fresh, high-quality motorcycle coolant (do not replace with plain water)
  • Basic hand tools (ratchet, sockets, screwdriver set)
  • Catching pan for old coolant
  • Funnel and clean shop towels
  • Distilled water (only if your coolant requires mixing)
  • Protective gloves and eyewear

Step 1: Access the Cooling System

  • Ensure the engine is completely cool before starting.
  • Remove any bodywork or shrouds necessary to access the radiator and radiator cap.

Step 2: Drain the Old Coolant

  • Position your catch pan under the water pump area.
  • Identify the coolant drain bolt on the lower portion of the water pump or radiator (check your model-specific location in your owner's manual).
  • Slowly open the radiator cap to relieve any pressure, then remove the drain bolt and allow the old coolant to fully drain.

Step 3: Flush the System (Optional but Recommended)

  • If you see any debris or discoloration, flush the system with distilled water.
  • Reinstall the drain bolt, fill the radiator with distilled water, run the engine briefly, then drain again.

Step 4: Reinstall Drain Bolt

  • Replace any sealing washer on the drain bolt if necessary and torque the bolt to specification (generally around 10 Nm, but always verify for your model).
  • Wipe away any spilled coolant before proceeding.

Step 5: Add New Coolant

  • Mix your coolant if necessary using only distilled water—never tap water to avoid mineral deposits.
  • With a funnel, pour coolant into the radiator until it reaches the filler neck.

Step 6: Burp the System

  • Leave the radiator cap off and start the engine.
  • Carefully run the bike while gently rocking it and blipping the throttle. This helps trapped air escape (known as 'burping').
  • Add more coolant if needed to top off to the filler neck.

Step 7: Final Checks

  • Reinstall the radiator cap securely.
  • Fill the overflow reservoir to the upper line if your bike is equipped.
  • Start the engine and double-check for any leaks.
  • Reinstall any previously removed bodywork.
  • Dispose of the old coolant properly, following local environmental guidelines.

Specific Tips & Notes for the 2020 Sherco 500 SEF FACTORY

  • This model uses a Synerject M3C electronic fuel injection and a robust liquid cooling system designed for high output.
  • Avoid substituting coolant with water—doing so can cause internal engine damage and will void many manufacturer warranties.
  • The radiator drain bolt and other key fasteners typically torque to 10 Nm; always check your user or workshop manual for precise values.
  • Take care around the water pump and surrounding gaskets; any leaks here can quickly lead to overheating issues.
  • Check for proper coolant level and condition before every major ride—this model is performance-tuned and heat-sensitive.

Maintaining the cooling system on your 2020 Sherco 500 SEF FACTORY will keep you riding at your best – confident that your high-performance engine is protected mile after mile.

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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.