1. The oil drain plug on the Honda TRX200 is located on the bottom of the engine casing, near the front.
2. It is a 17mm bolt.
3. To remove the oil drain plug, you will need a 17mm wrench.
4. Place an oil drain pan under the oil drain plug before removing it to catch the oil that drains out.
5. Once the oil drain plug is removed, the oil will begin to drain out of the engine.
6. Allow all of the oil to drain out before reinstalling the oil drain plug.
7. When the oil has drained out, reinstall the oil drain plug and tighten it securely with the wrench.
