How to Change the Coolant in a 2007 GAS GAS TXT PRO 280
Maintaining the cooling system is critical to the performance and longevity of your 2007 GAS GAS TXT PRO 280. With its high-performance, lightweight alloy motor, ensuring fresh coolant will protect your engine from overheating and internal corrosion. Follow this step-by-step proprietary MotoSport guide for the safest and most effective results.
What Makes the TXT PRO 280 Unique?
The 2007 TXT PRO 280 is a specialized competition trials bike. Its compact alloy radiators and engine design demand the correct coolant type and careful maintenance. Always use high-quality cooling fluid rated for lightweight alloy motors (rated to at least –30°C) to prevent premature corrosion or scale. Neglecting proper coolant changes or using the wrong type can damage key components unique to the TXT PRO platform.
Step-by-Step Coolant Change Instructions
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Allow engine to cool completely.
Never open the radiator cap or start work with a hot engine—severe scalding may result and you can damage the engine.
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Remove the fuel tank for access.
- Ensure the gas cap and fuel valve are closed.
- Disconnect the fuel tube.
- Unscrew the M6 Allen screw at the tank's front.
- Lift the tank from the front and remove it from the chassis.
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Locate the radiator cap and drain point.
- The radiator cap is now accessible under where the tank was.
- Locate the lowest hose connection or water pump drain bolt at the base of the cooling system.
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Drain the old coolant.
- Place a drain pan under the drain point.
- Loosen the drain bolt or disconnect the lowest hose.
- Remove the radiator cap to improve flow.
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Inspect and clean.
- Check hoses, the cap, and radiator for leaks or brittleness.
- Clean any debris from radiator fins.
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Reconnect and refill.
- Reinstall drain bolt securely or reconnect hose.
- Slowly fill the radiator with fresh cooling fluid for lightweight alloy motors, ensuring no air pockets form.
- The fluid level should sit near the base of the cap.
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Bleed air from the system.
- Gently rock the bike side-to-side.
- Squeeze cooling hoses by hand to help release trapped air.
- If accessible, open any manual bleed bolts.
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Reinstall the fuel tank.
- Reverse removal steps: lower into place, reconnect tube, reattach the M6 bolt, and ensure all lines are secure.
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Warm up the engine and recheck.
- With the radiator cap on, start the engine and let it run until it reaches normal operating temperature.
- Shut off the engine, allow it to cool, then remove the radiator cap and check the coolant level.
- Top off if necessary.
Additional Model-Specific Tips
- Use only non-silicate, aluminum-safe coolants—standard automotive coolants may damage the TXT PRO's lightweight alloy parts.
- Periodically inspect the radiator and hoses for impact damage from trail debris, as the TXT PRO's compact layout leaves cooling components more vulnerable.
- Check the spark plug gap (should be 0.6–0.7mm) as engine overheating can affect plug life and performance.
Keeping your 2007 GAS GAS TXT PRO 280's cooling system in top condition will ensure crisp throttle response and maximum reliability both in competition and weekend rides.
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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.