How to Change the Coolant in a 2009 Husaberg FE450
Shop parts for a 2009 Husaberg FE450 Dirt Bike.
Maintaining correct coolant levels and quality is critical for your 2009 Husaberg FE450’s performance and longevity. Neglecting coolant health can lead to overheating, engine damage, and premature wear of crucial seals. The process is simple with the right guidance–before you begin, allow the engine to cool completely and work in a well-ventilated area.
What You Will Need
- Fresh coolant suitable for aluminum engines (consult your manual or choose a high-quality motorcycle coolant)
- Drain pan or suitable container
- Socket or wrench set
- Clean rags
- Safety gloves and eyewear
Coolant Change Procedure for Husaberg FE450
- Remove the seat and any side panels obstructing access to the radiator cap and water pump cover. This commonly requires loosening a few bolts.
- Place your drain pan beneath the water pump area to catch old coolant.
- Locate the coolant drain screw: On the right side of the engine, at the base of the water pump cover, look for a small bolt/indexed plug designed for coolant draining.1
- Carefully remove the radiator cap to relieve any pressure in the system.
- Remove the drain screw from the water pump cover.
Allow all coolant to completely drain into your pan.5 - Inspect the drained coolant for contamination. Excessive browning, oiliness, or debris may indicate gasket or internal engine issues.
- Reinstall and tighten the drain screw to the manufacturer’s guideline torque. Ensure the sealing washer is in good condition to prevent leaks.5
- Slowly refill the system through the radiator cap with fresh coolant, up to just above the radiator fins. The typical correct level for FE450 is about 10 mm (0.39 in) above the fins.3
- Reinstall the radiator cap securely.
- Start the engine and let it run at idle for several minutes with the radiator cap on, observing for leaks and allowing air bubbles to bleed out. Momentarily rev the engine (if needed) to circulate the new coolant fully.
- Switch off the engine and allow it to cool, then re-check the coolant level once more and top up if necessary.
- Reinstall all removed panels and the seat.
- Dispose of old coolant properly at a hazardous waste center.
2009 Husaberg FE450 Model-Specific Notes
- This model features an advanced, lightweight engine where cooling is especially crucial; always use recommended coolant types suitable for magnesium and aluminum engine components.
- The FE450’s water pump uses two seals–one for engine oil and another for coolant. When changing coolant, periodically check for leakage at the water pump weep hole, as leaking coolant here suggests a failing seal, which is a known issue on these years. Replacing the water pump seals is a separate job but worth inspecting during coolant changes.1
- Never mix coolants of different types, as this may cause chemical reactions harmful to the cooling system.
- Overfilling can lead to expansion overflow–be sure to fill just above the radiator core fins as indicated.
- Always let the engine cool completely before attempting this service to prevent scalding or system damage.
Routine coolant changes keep your 2009 Husaberg FE450 running strong on any trail–give your bike the care it deserves and ride with confidence.
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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.
