How to Change the Coolant in a 2014 Yamaha TTR50: Complete MotoSport Guide
Shop parts for a 2014 Yamaha TTR50 Dirt Bike.
The 2014 Yamaha TTR50 is a reliable, air-cooled four-stroke that’s built to be beginner-friendly and low-maintenance. However, even the most robust trail bikes need regular coolant service for optimal engine life and performance. While the TTR50 is air-cooled and doesn’t use liquid engine coolant for the cylinder typical of larger, water-cooled off-road motorcycles, it’s worth noting the absence of a radiator simplifies routine maintenance. Still, checking and freshening up any auxiliary coolant fluids (like brake or fork fluid) and ensuring your engine has proper airflow are essential.
Is the 2014 Yamaha TTR50 Liquid Cooled?
No—the 2014 TTR50 uses an air-cooled engine, so it does not require traditional coolant changes as seen with liquid-cooled motocross bikes. This is an important distinction compared to bikes with a radiator system that uses antifreeze or other coolants. For owners coming from other MMYs, understand there’s no radiator cap, fluid reservoir, or coolant drain bolt to service in the TTR50.
Key Service Considerations Unique to the TTR50:
- Engine cooling is entirely air-based. Keep the fins of the engine clean — use compressed air or a soft brush to remove dirt and debris after rides.
- Check oil regularly, since engine oil also aids in heat transfer. Change the oil at recommended intervals to ensure proper thermal management and prevent overheating.
- Inspect auxiliary fluids such as brake fluid and fork oil. These don’t aid in engine cooling, but still require attention for safe riding.
- Park and ride with airflow in mind. Because air-cooled bikes depend on moving air, avoid long idling periods and make sure your TTR50 isn’t operating in extremely confined spaces.
- Fans/radiators are not present; thus, no flushing or bleeding of coolant is needed for routine engine maintenance.
General Tips for Other Fluids:
- Dispose of any old brake or fork fluid responsibly as these can be hazardous to the environment.
- Check for any leaks after servicing fluids, and always use parts and fluids that meet Yamaha’s specifications.
If you’ve previously owned water-cooled dirt bikes, you might look for coolant drains and reserves—but with the TTR50, focus instead on oil changes, air filter cleaning, and keeping the engine fins clean. Properly maintained, your Yamaha TTR50 will offer years of dependable fun on the trail–without the worry of coolant flush schedules. For all parts and maintenance supplies designed for your 2014 Yamaha TTR50, MotoSport offers everything you need from trusted brands in one place.
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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.