How to Change the Coolant in a 2014 Husqvarna FE250HQ: Step-by-Step Guide

Shop parts for a 2014 Husqvarna FE250HQ Dirt Bike.

Regular coolant changes are essential for the health and performance of your 2014 Husqvarna FE250HQ. Keeping the cooling system in top shape helps prevent overheating and costly engine repairs. Below you'll find a robust step-by-step process distinctive to your Husqvarna dirt bike, including essential tips every owner should know about this particular model.

What You Need

  • Fresh coolant (make sure it is compatible with aluminum components)
  • Drain pan
  • 10 mm wrench or socket
  • Clean funnel
  • Distilled water (for flushing, if desired)
  • Rags or paper towels
  • Gloves and eye protection

Preparation

  • Start with a completely cool engine to avoid burns from hot coolant and pressurized fluid release.
  • Position your bike upright on a level surface or maintenance stand for easier access and smooth draining.

Draining the Old Coolant

  • Remove the radiator cap to relieve system pressure and allow for full drainage. The radiator cap is accessible on top of the left radiator. Ensure any debris is cleared away from the cap and filler neck for a contamination-free refill.
  • Locate the coolant drain bolt on the water pump cover. On the FE250HQ, this is usually a 10 mm bolt positioned at the lowest point of the pump cover (right-hand side of the engine). Place a drain pan directly underneath.
  • Loosen, then remove the drain bolt and allow the coolant to flow into the pan. To expedite draining, rock the bike gently from side to side. Watch for any buildup or discoloration—cloudy or rusty fluid signals the need for a more comprehensive flush.

Flushing the System (If Needed)

  • If your coolant was especially dirty or service history is unknown, flush the system with distilled water:
    • Reinstall the drain bolt and pour distilled water into the radiator.
    • Start the engine and let it idle briefly for circulation (do not allow it to overheat).
    • Shut off, let cool completely, and drain again.

    Repeat until the drainage is clear.

Filling with New Coolant

  • With the drain bolt installed and torqued to approximately 10 Nm (7.4 lbf–ft), slowly pour fresh coolant into the radiator via a funnel.
  • Fill the radiator up to the base of the filler neck. Squeeze the radiator hoses to help release trapped air and distribute coolant throughout the system. If the FE250HQ features a small bleeder bolt at the top of the cylinder or thermostat housing, momentarily loosen it to expel air, then retighten.
  • Leave the radiator cap off and start the engine. Let it idle long enough for the thermostat to open (usually when the radiators feel warm); this allows any additional air pockets to escape. Watch the coolant level—top off if necessary.
  • Once the level stabilizes, secure the radiator cap.
  • Check and fill the overflow tank to the marked full level if your model is equipped with one.

Post-Service Checks

  • After your first ride, allow the engine to cool completely, then recheck coolant levels in the radiator and overflow tank. Top off as needed. A small drop in coolant is normal as final air escapes.
  • Monitor for leaks around the water pump, hoses, and drain bolt—especially for the first few hours of running time after a coolant change.

Special Notes for the 2014 Husqvarna FE250HQ

  • This engine uses magnesium and aluminum components, so use only coolant marked safe for mixed-metals and motorcycle-specific coolants for optimal corrosion protection and heat management.
  • The radiators have tight passageways: avoid using tap water for mixing or flushing, as mineral deposits can obstruct flow and cause hotspots.
  • If riding in extreme cold or hot climates, adjust your coolant mix as recommended in the owner's or service manual.
  • Inspect radiator caps for wear—a weak cap can cause overheating and pressure loss. Replace as needed to maintain system integrity.

Changing the coolant is a straightforward but vital step in keeping your FE250HQ running at peak performance on the track or trail. For OEM and performance upgrade parts, trusted accessories, and essential maintenance supplies, MotoSport.com is your source—see the link above to outfit your 2014 Husqvarna FE250HQ.

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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.