How to Change the Coolant in a 2019 GAS GAS TXT RACING 250
Routine coolant changes are essential for your 2019 GAS GAS TXT RACING 250 to prevent overheating and corrosion. This proprietary MotoSport guide will walk you through the process, highlighting unique features of the TXT RACING 250 that owners should consider.
Tools & Supplies
- Fresh coolant (formulated for light alloy engines, rated to at least -30°C)
- Distilled water (if flushing)
- Basic hand tools (screwdrivers, socket set)
- Drain pan
- Clean rags
- Safety gloves
Preparation
- Allow the engine to cool completely before starting. Never open the radiator cap or cooling system while hot – risk of severe burns and coolant spray.
- Secure the bike on a stable, level surface.
- If needed, remove the seat and any bodywork or guards obstructing access to the radiator and coolant drain points.
Draining the Coolant
- Place a drain pan beneath the engine, aligned with the water pump housing.
- Locate the coolant drain bolt at the bottom of the water pump. Remove the bolt – coolant will begin to flow out.
- Remove the radiator cap to help the coolant drain fully.
- Inspect the drained fluid for excessive debris or discoloration, which may indicate the need for a cooling system flush.
(Optional) Flushing the System
- If residue or buildup is suspected, refill the system with a 50/50 mix of distilled water and coolant or a mild vinegar solution. Start the bike (cap off), let it run until warm, then shut off and drain again.
- Repeat with pure distilled water to remove any flushing solution, then drain completely.
Refilling the System
- With the drain bolt securely reinstalled (use a new crush washer if available), slowly pour fresh coolant into the radiator filler neck.
- Go slowly to allow air pockets to escape. Gently squeeze radiator hoses and tilt the bike side-to-side to release trapped air.
- Fill to the base of the filler neck. On the TXT RACING 250, ensure you use only recommended coolant types for light alloy heads.
Purge Air (Burping the System)
- Start the engine with the cap off. Gently rev and rock the bike; watch for bubbling as air evacuates from the system.
- Once bubbles subside and the level stabilizes, shut off the engine. Top up coolant if needed.
- Replace the radiator cap securely.
Final Checks
- Run the engine to operating temperature. Inspect for leaks at the drain bolt, hoses, and radiator cap.
- After the first ride, recheck the coolant level and top up if necessary. Proper coolant level is crucial for this bike's high-revving, competition-oriented engine.
- Dispose of all old coolant responsibly at a recycling center. Never pour coolant down drains or onto the ground.
Model-Specific Notes for the 2019 GAS GAS TXT RACING 250
- The TXT RACING 250 utilizes an aluminum cylinder head and radiator – only use coolants designed for light alloy components to prevent galvanic corrosion.
- Radiator access on this model often requires careful seat and tank removal (follow the owner's manual steps precisely to avoid damaging the fuel or ignition components).
- Always inspect the coolant hoses and clamps during a change, as the TXT's trials-focused chassis sees frequent flexing and movement.
- Check the spark plug while the tank is off; this is recommended maintenance whenever the cooling system is serviced.
Performing regular coolant changes preserves engine longevity and keeps your 2019 GAS GAS TXT RACING 250 delivering top-level trials performance. For parts, tools, or upgrades, MotoSport is your trusted partner in keeping your ride in race-ready shape.
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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.