How to Change the Coolant in a 2001 Kawasaki KX60

Shop parts for a 2001 Kawasaki KX60 Dirt Bike.

Routine coolant changes are vital for Kawasaki KX60 owners, ensuring optimal engine temperature and protecting the cooling system from corrosion and overheating. The KX60, with its compact high-rev two-stroke motor, relies on fresh coolant to keep power consistent and prolong component life. Here's a MotoSport-exclusive, step-by-step guide for changing the coolant on your 2001 KX60:

What You Need

  • High-quality motorcycle coolant specifically rated for aluminum systems
  • Distilled water (not tap water) for flushing
  • 8mm and 10mm socket or wrench
  • Drain pan or suitable container
  • Funnel
  • Shop rag
  • Protective gloves

Step 1: Prep Your Bike

  • Ensure your KX60 is on level ground, engine is cold, and the key is off.
  • Remove the seat and right-side panel using your 8mm socket to access the radiator cap and overfill hose if necessary.

Step 2: Drain the Old Coolant

  • Place the drain pan under the coolant drain bolt–located on the bottom of the water pump cover (right-hand side of the engine).
  • Remove the radiator cap to relieve pressure and allow thorough draining.
  • With your 8mm or 10mm socket, carefully remove the drain bolt. Allow all old coolant to thoroughly empty into your pan.

Step 3: Flush the System

  • Reinstall the drain bolt loosely.
  • Pour distilled water into the radiator using a funnel. Reinstall the radiator cap, start the bike, and let it idle for about 30 seconds to circulate the water, then shut the engine off.
  • Remove the drain bolt again and let the flush water drain completely. Repeat this flush one more time if previous coolant was discolored or contaminated. Proper flushing is especially important for older bikes like the 2001 KX60 to remove sediment and prevent future cooling problems.

Step 4: Add New Coolant

  • Reinstall the drain bolt and torque it carefully to avoid stripping the soft aluminum threads.
  • Slowly pour in the recommended volume of high-quality coolant, filling the radiator to the base of the filler neck. Be careful not to overfill.

Step 5: Bleed the Cooling System

  • Tilt the bike left and right gently or squeeze the radiator hoses to help remove any trapped air bubbles. On the KX60, the simplicity of the cooling system typically allows air to escape naturally, but bleeding ensures even cooling.
  • Reinstall the radiator cap securely.

Step 6: Check for Leaks & Final Steps

  • Wipe away any spilled coolant. Start the engine and let it idle for a couple of minutes. Check for leaks around the drain bolt and radiator cap.
  • Let the engine cool completely, then re-check coolant level. Top off if needed.
  • Reinstall the right-side panel and seat.

KX60 Owners: Important Notes

  • Aluminum Radiators: Use motorcycle-safe coolant specifically for aluminum engines to prevent corrosion.
  • Small Volume Cooling System: The KX60 uses a compact system; even small amounts of old coolant or trapped air can affect performance. Take care to flush and bleed the system thoroughly.
  • Coolant Change Interval: Replace coolant every 1–2 years or at the start of each major riding season for best results.

A well-serviced cooling system keeps your 2001 KX60 running strong – from the backyard pit to the checkered flag.

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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.