How to Change the Coolant in a 2020 Yamaha TTR110

Shop parts for a 2020 Yamaha TTR110 Dirt Bike.

Proper coolant maintenance is crucial for the performance and longevity of your 2020 Yamaha TTR110. However, it is important to note that the TTR110 comes with an air-cooled engine, not liquid cooling. This means the traditional coolant replacement procedure required for liquid-cooled bikes does not apply to this model. Instead, focus your maintenance routine on keeping engine oil fresh, checking for air filter cleanliness, and ensuring the engine fins remain unobstructed for optimal cooling.

Key Notes for TTR110 Owners:

  • No coolant replacement is necessary for this specific model year–the engine cools itself using air passing over its externally finned cylinder and head.
  • Regularly inspect and change the engine oil following the schedule in your owner's manual. Dirty oil can cause excess heat and wear in air-cooled engines.
  • Keep the cylinder fins clean and free from mud or debris, as air cooling efficiency depends on unobstructed airflow.
  • Routinely check the air filter. Riding in dusty or wet conditions requires more frequent filter cleaning or replacement.

If you're used to working on liquid-cooled dirt bikes, remember the TTR110's design simplifies maintenance without the need for radiator or coolant service. Prioritize oil changes and basic air-cooled engine care instead. Refer to your TTR110 owner's manual for full periodic maintenance charts and intervals for all components.

For genuine Yamaha TTR110 parts and service items, MotoSport.com offers everything you need to keep your bike ready for the next ride.

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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.