How to Change the Coolant in a 2026 Yamaha TTR110
Shop parts for a 2026 Yamaha TTR110 Dirt Bike.
Keeping your 2026 Yamaha TTR110 in top condition requires regular maintenance, and one of the most overlooked but essential tasks is changing the coolant. This guidecrafted exclusively for MotoSport.comcovers each step, safety tips, and model-specific notes to help you confidently maintain your TTR110 and enjoy optimal engine performance.
Why Change the Coolant?
- Prevents overheating– Old coolant loses its effectiveness and can lead to engine overheating.
- Protects against corrosion– Fresh coolant helps prevent corrosion in the radiator and engine passageways.
- Ensures smooth operation– Clean coolant helps the TTR110's engine run efficiently regardless of riding conditions.
Tools & Supplies You—ll Need
- Pre-mixed motorcycle coolant (or concentrate with distilled water)
- Drain pan
- 12mm socket (for drain bolt)
- Rags or paper towels for spills
- Safety gloves and eye protection
Step-by-Step Guide to Changing the Coolant
- Let the Bike Cool Down
Never open the radiator cap or drain plug on a warm engine. Wait until the TTR110 is completely cool to prevent burns from pressurized, heated coolant. - Access the Cooling Components
If your TTR110 has any shrouds or bodywork covering the radiator or reservoir, remove them to gain easy access. - Position the Drain Pan
Place the drain pan underneath the engine, directly below the coolant drain bolt (commonly found near the water pump housing on the shifter side). - Remove the Radiator Cap
This will help airflow and allow coolant to drain quickly when you remove the drain bolt. - Loosen the Drain Bolt
Carefully loosen and remove the drain bolt with your 12mm socket to let the old coolant completely drain into your pan. Expect an initial slow drain until you break the vacuum by loosening the cap. - Flush the System (Optional)
For a complete service, pour some distilled water through the system to flush out any remnants of old coolant and debris. Let it drain fully. - Replace the Drain Bolt
Inspect the washer and replace it if needed. Reinstall the drain bolt and tighten securely (do not overtighten, as this can strip the threads). - Refill with Coolant
Slowly pour fresh pre-mixed coolant into the radiator until it reaches the filler neck. If you have concentrate, dilute with distilled water per the coolant manufacturer's recommendation (commonly 50/50). - Burp the System
With the radiator cap still off, start the engine and let it idle. Gently rock the bike or squeeze the radiator hoses to help release any trapped air bubbles. Watch for the coolant level to drop; top off as necessary. - Check Reservoir and Top Off
Fill the coolant reservoir to its upper mark. Reinstall the radiator cap once you are sure there are no more bubbles escaping and the level is steady. - Check for Leaks & Reinstall Bodywork
Inspect all refitted components, check under the bike for leaks, and reattach any plastics or shrouds. - Dispose of Old Coolant Responsibly
Take the drained coolant to an approved recycling centernever pour it down the drain or onto the ground.
2026 Yamaha TTR110: Model-Specific Tips
- The TTR110 features a simple, air-cooled engine system, making coolant changes straightforward and infrequent. Still, regular checks help catch issues early.
- Ensure that only high-quality, compatible coolant is used to protect aluminum engine parts from corrosion.
- Check the owner—s manual for coolant type and torque settings. Over-tightening the drain bolt is a common DIY error that can cause engine case damage.
Final Advice
Changing the coolant in your 2026 Yamaha TTR110 is a manageable and essential maintenance task that prolongs engine life and performance for your next ride. Returning to this simple process once a yearor after heavy, dusty ridingkeeps your TTR110 in unbeatable shape. For replacement coolant and all TTR110-specific parts, trust MotoSport to supply everything you need for your next garage session.
Related Shopping Categories
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Shop Radiator Hoses for a 2026 Yamaha TTR110 Dirt Bike.
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.