How do you change the oil in a 2004 Honda TRX 450R?

To change the oil in a 2004 Honda TRX 450R, start by warming up the engine for a few minutes to thin the oil, then turn it off and allow it to cool slightly. Next, remove the oil drain plug located at the bottom of the engine and let the old oil drain completely into a container. Replace the drain plug, then remove the oil filter and replace it with a new one. Finally, refill the engine with the recommended oil type through the dipstick hole, checking the level to ensure it’s within the proper range.