How to Change the Coolant in a 2013 Yamaha TW200

Shop parts for a 2013 Yamaha TW200 Dirt Bike.

Changing the coolant on your 2013 Yamaha TW200 is essential for keeping your engine running cool and performing at its best. Unlike many higher-performance models, the TW200 uses a straightforward air-cooled, oil-cooled engine. This means the TW200 does not use a typical liquid-based radiator system instead, its "coolant" system is actually engine oil, which is responsible for thermal management.

However, for owners switching from water-cooled bikes or seeking to refresh the bike's lubricants for optimal cooling, the process you're looking for is an oil change and inspection of the oil cooler and related components. It's important to note that trying to find a radiator drain bolt or fill cap on this model will only lead to unnecessary disassembly, as there is no traditional cooling system to flush.

Oil Change as Engine Cooling Maintenance

  • Warm the Engine: Start and idle the engine for about 3–5 minutes. This warms the oil and makes it drain more efficiently.
  • Remove the Skid Plate (if equipped): Use your socket wrench to remove the skid plate and gain clear access to the engine's bottom.
  • Drain the Oil: Locate the oil drain plug under the engine. Use a 19mm socket to remove the plug and drain the old oil completely into a catch pan. Allow it to drip until empty.
  • Replace the Washer: Inspect the drain plug's washer and replace it if worn. This prevents leaks.
  • Reinstall the Plug: Tighten the drain plug to Yamaha's recommended torque spec using your torque wrench.
  • Replace Oil Filter: Remove the side cover, then the filter. Install a new oil filter and lubricate its O-ring with fresh oil.
  • Fill with New Oil: Add the recommended amount of oil (see owner's manual, usually around 1.1 quarts for the TW200). Use motorcycle-specific oil compatible with wet clutches.
  • Check Level: With the bike upright, verify the oil level is within the sight glass or dipstick range.
  • Start and Inspect: Run the engine for several minutes, check for leaks, then turn off and recheck the oil level.
  • Dispose of Old Oil Properly: Take oil to a local recycling center or auto parts store.

Things to Note About the TW200

  • The TW200 is famous for its unique fat tires, torquey air-cooled engine, and oil-based cooling—making it both robust and easy to maintain.
  • Inspect fins on the engine for clogged debris—dirt or mud can significantly reduce cooling efficiency.
  • Always use quality oil and filters to maximize both lubrication and thermal transfer away from the engine.
  • If riding in hot climates or under heavy loads, monitor for signs of overheating, and consider changing oil more frequently.

When to Service the Cooling System

  • Yamaha recommends changing oil at regular intervals, typically every 3,000 miles or once a year—whichever comes first.
  • Inspect and clean cooling fins each oil change for peak air-cooling performance.
  • If you ride off-road often or in dusty environments, check and service these components more frequently.

By following these simple steps, you keep your TW200's cooling system – its oil – fresh and effective, ensuring reliable performance wherever you 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.