How to change the oil in a 2022 GAS GAS TXT RACING 250 Dirt Bike

How to Change the Oil in a 2022 GAS GAS TXT RACING 250

Shop parts for a 2022 GAS GAS TXT RACING 250 Dirt Bike.

Regular oil changes are critical for preserving the performance and reliability of your 2022 GAS GAS TXT RACING 250. The process for this model is straightforward, but following each step carefully—and using the right tools—ensures you keep the motor running smoothly and avoid costly repairs.

Tools and Supplies Needed

• Metric socket set (including correct size for drain bolt, usually 13mm or 14mm–verify for your bike)
• Torque wrench (to properly tighten the drain plug)
• Drain pan (to catch the used oil)
• New oil (synthetic or mineral motorcycle oil recommended for trials bikes; check your owner’s manual for viscosity and type–usually 10W-40 or 75W gear oil)
• New crush washer (OEM recommended)
• Funnels (for refill)
• Clean rags or shop towels
• Contact cleaner (optional, to clean spilled oil)
• Gloves
• Measuring cup or graduated oil bottle (for precise refill)

Step-by-Step Oil Change Instructions

• Warm Up the Engine
  Start the engine and let it idle for 2-3 minutes. This helps the oil flow out more easily by thinning it.
• Turn Off and Secure the Bike
  Shut off the engine and place the bike on a stable stand to keep it upright and secure.
• Clean Around the Drain Plug
  Before loosening the drain bolt, wipe any dirt or debris away from the sump area. This prevents dirt from falling into the crankcase when the plug is removed. This detail is often overlooked but is important for preventing contamination.
• Remove the Drain Plug
  Position your drain pan under the drain bolt at the bottom of the engine. Use the correct socket and carefully loosen and remove the drain plug. Let all the old oil drain completely. Pay attention to the crush washer—replace it with a new one during reassembly to prevent leaks.
• Inspect Oil and Plug
  Check the drained oil for metal shavings or debris, which could signal internal wear. Wipe and inspect the drain plug as well, especially if it is magnetic.
• Reinstall the Drain Plug
  Once the oil is fully drained, clean the plug and threads. Install a new crush washer and thread the plug back in by hand until snug. Tighten it with your torque wrench to the specified value—do not over-tighten, as this can easily strip threads on trials bikes. Tip: Owners often overtighten the drain plug; just firmly snug is enough–trials bike cases are notoriously soft.
• Refill with New Oil
  Locate and remove the oil filler cap at the top of the right side of the engine. Using a funnel, pour in quality motorcycle oil to the precise volume noted in your owner’s manual. For the TXT RACING 250, you should use between 0.42 and 0.48 quarts (400–450ml) of oil, depending on your specific manual’s recommendation. Using the correct oil grade and amount is especially important to protect the unique clutch and gear mechanisms found in trials engines.
• Reinstall the Filler Cap and Clean Up
  Replace the filler cap securely. Clean up any oil residue from the engine and surrounding area using a rag or contact cleaner.
• Start Engine and Check Oil Level
  Let the bike idle for a minute, then shut down. After letting it rest for a moment, check the oil level using the sight glass or dipstick (refer to the owner’s manual for correct oil level location and method). Add a small amount of oil if necessary.
• Dispose of Old Oil Properly
  Take your used oil to a proper recycling center—never pour it onto the ground or into drains.

Model-Specific Call-Outs for the 2022 GAS GAS TXT RACING 250

• Oil Capacity: 0.42–0.48 quarts (400–450 ml) is standard for most GAS GAS TXT models from recent years. Overfilling or underfilling can affect clutch feel and shifting.
• Drain Plug Caution: The engine cases on trials bikes are made of relatively soft metal—do NOT over-torque the drain plug. A gentle snug is plenty.
• Oil Type: Use synthetic or high-quality mineral oil formulated for trials motorcycles. Some specialty gear oils are also used by advanced riders—refer to your service manual for your terrain and climate.
• Interval: Change the oil after every 15 hours of riding, or sooner if you ride in tough conditions. Many trials riders recommend even shorter intervals when frequently riding wet, rough, or muddy terrain.
• Washer & O-Ring: Always replace the crush washer, and inspect any O-rings around the filler or inspection bolts.
• Cleanliness: Keeping the case area clean before you remove plugs is especially important. Dirt in the oil can quickly damage clutch and gearbox parts in trials engines.

Final Tips

• If you’re unsure about oil type, capacity, or tightening specifications, consult your owner’s manual or a GAS GAS-certified mechanic.
• After an oil change, double-check for leaks around the drain plug and under the engine.
• For maximum clutch and gear performance, use a measuring cup to ensure you add exactly the recommended volume of oil.
• Record your oil change date and hours ridden for future reference and resale value.

With these tools, steps, and model-specific notes, you’ll confidently maintain your 2022 GAS GAS TXT RACING 250’s engine and keep it running in top condition. For parts and premium oils, trust MotoSport.com—your reliable source for GAS GAS trials bike maintenance.

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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.