How to Change the Coolant in a 2014 Husqvarna FE350HQ: A MotoSport Owner's Guide
Shop parts for a 2014 Husqvarna FE350HQ Dirt Bike.
The 2014 Husqvarna FE350HQ relies on a precise liquid cooling system that protects high-performance engine components on and off the trail. Changing the coolant regularly ensures top performance, reliability, and protection against overheating – issues especially important for Husqvarna's FE line, which runs hot under heavy use and racing conditions. Here's an expert MotoSport step-by-step guide to changing your coolant, specifically for owners of the 2014 FE350HQ.
What You’ll Need
- Replacement coolant (ready-mixed motorcycle coolant is recommended)
- Basic hand tools (8mm and 10mm sockets/wrenches, pliers)
- Drain pan
- Funnel
- Shop rags
- Distilled water (optional, for flushing)
- Protective gloves and eyewear
Step-by-Step Coolant Change
-
Ensure Safety & Access:
Let the bike cool completely before you start. Set it upright on a stable, level surface with a drain pan under the engine. Remove the left side panel if needed for easier access. -
Remove Radiator Cap:
Carefully unscrew the radiator cap to relieve any residual system pressure.
Note: Always remove the cap when the engine is cold to prevent burns from hot coolant. -
Locate & Remove Drain Bolt:
Find the coolant drain bolt on the lower side of the water pump cover (typically 8mm or 10mm head). Place your drain pan underneath, then remove the bolt and any copper washer beneath. Allow all old coolant to drain completely.
Inspect the sealing washer. Replace it if damaged to avoid leaks when reinstalling. -
Optional – Flush the System:
If you desire a thorough flush, temporarily replace the drain bolt, fill the system with distilled water, then run the engine briefly (1–2 minutes). Let cool, then repeat draining.
This step removes old coolant residue that could cause corrosion or overheating. -
Reinstall Drain Bolt:
When the system is fully drained, reinstall and torque the drain bolt securely (typically 10 Nm or 7.4 lbf–ft; check your owner’s manual for the exact value). -
Add New Coolant:
Insert a funnel into the radiator neck and fill with the recommended motorcycle coolant until it reaches the base of the radiator filler neck. On the FE350HQ, use high-quality, phosphate-free coolant formulated for aluminum components. -
Burp the System:
Gently rock or tap the bike side-to-side to help settle any trapped air. -
Reinstall Radiator Cap:
Carefully fit the radiator cap back in place. -
Run & Check Levels:
Start the engine and let it idle until warm (watch for the cooling fan to activate). Let the bike cool down completely and re-check the coolant level in the radiator and overflow reservoir, topping off if needed.
Key Model-Specific Tips for the 2014 FE350HQ
- The FE350HQ shares cooling system architecture with its KTM counterparts–use only coolants safe for magnesium and aluminum to prevent corrosion.
- The radiator cap seal ring should be visually inspected every service cycle; replace if hardened or cracked.
- Due to its compact high-revving engine, always ensure your coolant is fresh at least every two years or after any sign of overheating.
- Keep an eye on the radiator fan operation after any cooling system work; FE models are sensitive to air pockets, which can cause instant overheating.
- Never mix different coolant types unless fully flushing the system, as mixing can cause chemical reactions and reduced efficiency.
When to Change Coolant
- At least every 24 months, or more often if you ride in extreme heat, race, or notice the reserves getting low or dirty.
- After any engine work involving the cylinder head, pump, or gaskets.
Dispose of Used Coolant Safely
Always collect old coolant and dispose of it according to local hazardous waste regulations. Used engine coolant is toxic to pets and wildlife.
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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.