How to Change the Coolant in a 2017 Honda CRF110F

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If you ride a 2017 Honda CRF110F, keeping your cooling system in top shape is crucial–especially for extended life and consistent engine performance. Unlike many larger dirt bikes, the CRF110F features an air-cooled engine, which means it does not use traditional engine coolant or a radiator system. Instead, the bike relies entirely on air passing over the engine fins to regulate temperature. This means, for the 2017 CRF110F, there is no liquid coolant to drain, flush, or replace as part of regular maintenance. Instead, focus on maintaining oil levels, clean airflow, and engine fin cleanliness.

Essential Cooling Maintenance Checklist for the CRF110F

  • Regularly inspect and clean engine fins: Dirt, mud, or debris buildup on the cylinder and head fins can impact airflow and reduce cooling efficiency. Use a soft brush or compressed air to keep these clean.
  • Maintain proper oil levels: Oil helps with heat transfer in the engine. Change the oil and check levels regularly. Clean oil promotes smoother running and better heat management.
  • Check for air leaks: Ensure the air filter is clean and installed correctly, and that the air box is sealed. This ensures the engine doesn't run lean (hotter) due to unfiltered or excess air intake.
  • Inspect for unusual heat or engine knocks: Air-cooled engines can overheat if stressed or if airflow is obstructed. If the bike feels excessively hot or loses power, allow it to cool before further riding and inspect for issues.

Is There Any Coolant in the CRF110F?

Owners sometimes mistake the CRF110F for liquid-cooled models due to similarities with the larger CRF lineup. However, the CRF110F is strictly air-cooled and does not have a coolant reservoir, radiator, or water pump. There is no traditional coolant to flush or replace.

Model-Specific Note for the 2017 CRF110F

  • The engine is simple, robust, and designed for minimal maintenance compared to liquid-cooled models.
  • If you notice any overheating symptoms (power loss, excessive engine ping, or odd smells), always inspect air flow paths, the condition of engine fins, and oil levels first.
  • For periodic maintenance, refer to your owner's manual for model-specific oil intervals and torque specs. Honda recommends addressing engine oil and air filter at routine intervals–these directly impact how efficiently the engine remains cool.

Why No Coolant Change Procedure Exists for Your CRF110F

While you may find guides referencing coolant changes for Honda CRF models, those apply exclusively to bikes equipped with radiators (typically race or high-performance liquid-cooled engines). The 2017 CRF110F does not feature these components, making cooling system maintenance much simpler: Focus on airflow and oil changes, not coolant replacement.

Pro Tip from MotoSport

Always do a walk-around inspection after rides. Remove caked mud or grass from the engine area, check oil, and monitor for any changes in engine sound or heat output. Attention to these simple steps keeps your 2017 CRF110F running cool and reliable ride after ride.

For replacement parts, performance upgrades, or oil change supplies: Shop parts for a 2017 Honda CRF110F Dirt Bike.

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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.