How to Change the Coolant on a 2016 Husqvarna FC350

Shop parts for a 2016 Husqvarna FC350 Dirt Bike.

Replacing the coolant on your 2016 Husqvarna FC350 is a key maintenance task to prevent overheating and keep your high-performance four-stroke engine at its best. This guide is tailored specifically for this model, accounting for its unique features and optimal upkeep. Follow these proprietary step-by-step instructions to ensure a clean, effective coolant change that gets you ready for the next ride.

What You Need

  • Fresh, manufacturer-approved coolant (pre-mixed or mix with distilled water to 50/50 ratio as required)
  • 10 mm socket or wrench
  • Drain pan
  • Safety gloves and eyewear
  • Cleaning rags
  • Torque wrench (recommended)

Preparation

  • Let the bike cool completely before starting; never open the radiator cap on a hot engine.
  • Set the FC350 upright on a level surface, using a stand for stability.

Drain the Old Coolant

  • Remove the radiator cap to release system pressure and allow smooth draining.
  • Locate the water pump cover's drain bolt typically a 10 mm bolt with a copper washer, found at the lower right side of the engine.
  • Place your drain pan beneath the bolt and remove it completely, letting all coolant drain out of both radiators.
  • If desired, briefly fill the system with distilled water and run the bike for a short time to flush residual coolant. Drain completely again for maximum freshness.

Inspect and Prepare for Refilling

  • Check the old copper washer for wear and replace if needed to prevent future leaks.
  • Reinstall the drain bolt, tightening to 10 Nm (7.4 lbf ft) to Husqvarna spec.

Refill with Fresh Coolant

  • Slowly pour coolant into the radiator until it reaches the bottom of the filler neck. For best results, use only distilled water when mixing concentrate to avoid mineral deposits in the radiators.
  • Start the engine with the radiator cap off, let it run for a few minutes, gently blip the throttle, and rock the bike side-to-side to burp air from the system.
  • Turn off the engine, recheck the fluid level, and top up as necessary.
  • Replace the radiator cap securely, making sure the seal is intact.

Final Checks and Tips

  • Properly dispose of used coolant at a local recycling center or auto parts store never pour down drains.
  • After the first ride, recheck coolant level as trapped air may settle, requiring minor topping off.
  • This FC350 model's engine is derived from KTM's high-performance lineage. Pay extra attention to cooling system health, as overheating from old coolant can degrade clutch plates and internal gaskets over time.
  • If your fan runs frequently or you notice coolant loss, inspect for radiator or hose damage before your next session.

Staying ahead on cooling system maintenance with genuine or high-quality parts from MotoSport ensures peak reliability and performance from your 2016 Husqvarna FC350. Whether you race or ride trails, frequent coolant changes safeguard your engine for seasons to come.

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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.