How to Change the Coolant in a 2020 Suzuki DR200S

Shop parts for a 2020 Suzuki DR200S Dirt Bike.

Properly changing the coolant is essential to keep your 2020 Suzuki DR200S running at peak performance, especially for trail riding and dual sport adventures. Over time, coolant breaks down and loses its ability to regulate temperature and protect against corrosion. Follow this dedicated MotoSport guide for a safe and effective coolant change – specifically tailored for your DR200S.

Tools & Supplies Needed

  • Socket set (10mm and 12mm recommended)
  • Screwdrivers (Phillips and flat)
  • Drain pan
  • Funnel
  • Pre-mixed motorcycle coolant (do not use plain water)
  • Gloves and eye protection
  • Shop towels

Important Note for Suzuki DR200S Owners

The 2020 Suzuki DR200S features a simple, air- and liquid-cooled engine with a direct approach to maintenance. Unlike more complex models, it typically does not have a radiator fan or air-bleed screws found on performance bikes, reducing the amount of steps for a standard coolant change. Always use motorcycle-specific coolant, as auto coolants may damage engine seals or fail to protect magnesium and aluminum components. Consult your owner’s manual for capacity–it’s approximately 0.9 liters for this model.

Step-by-Step Coolant Change Procedure

  1. Let the Engine Cool
    Never remove the radiator cap on a hot engine–pressurized hot coolant can cause burns.
  2. Remove the Side Panels
    Use a 12mm socket to remove the seat, then take off side plastics for easier access to the radiator and water pump area.
  3. Locate the Radiator Cap and Drain Bolt
    The radiator cap is at the top of the left radiator. The drain bolt sits on the lower part of the water pump cover (right side of the engine).
  4. Drain the Old Coolant
    Place your drain pan beneath the water pump. Remove the radiator cap to vent the system, then use a 10mm socket to loosen the drain bolt. Allow all coolant to drain.
  5. Flush the System (Recommended)
    If the coolant is dirty or has not been changed for several years, pour distilled water (never tap water) into the radiator and drain again. Repeat until the water runs clear. Reinstall the drain bolt and torque to specifications.
  6. Refill with Fresh Coolant
    Using a funnel, slowly add your pre-mixed coolant into the radiator filler neck until it’s full. Allow time for air pockets to rise.
  7. Bleed Trapped Air
    Gently rock the bike side-to-side to release trapped air. If your model has a coolant reservoir, top that up to the indicated level.
  8. Reinstall Radiator Cap and Bodywork
    Secure the radiator cap firmly. Reinstall the side panels and seat.
  9. Start and Warm the Engine
    Start the bike and let it idle until it reaches operating temperature. Watch the coolant level in the reservoir–as the air escapes, some coolant may transfer from the radiator into the reservoir.
  10. Cool Down and Recheck
    After the first heat cycle, let the bike cool and recheck the radiator and reservoir. Top off if necessary.

Disposal & Environmental Caution

Always dispose of old coolant responsibly. Do not pour coolant down drains or onto the ground, as it is toxic to animals and the environment. Take it to a proper recycling or hazardous waste facility.

Extra Tips for the 2020 DR200S

  • If you frequently ride in muddy or hot environments, check the radiator fins for debris and gently clean with a soft brush or low-pressure water.
  • Inspect all hoses and clamps while the system is drained. Replace any hose that shows swelling, cracking, or brittleness to prevent leaks on the trail.
  • Change coolant every two years or as specified in your manual for optimal engine health.

Performing this simple maintenance keeps your Suzuki DR200S ready for the next adventure. Staying ahead on basic engine care pays off in hassle-free riding and reliable performance.

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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.