if you go to any parts store they will have ATV oils well select the one that says 4 stroke i have the same bike and i get the best out of it with valvoline.
its 2.5 quarts.
The oil plug is under the oil filter ...straight bolt ..14 mill..
behind the left front tire tucked inside the frame
The oil capacity for a 2004 Yamaha Bruin 350 is approximately 2.0 quarts (or about 1.9 liters) when the oil filter is also replaced. If you are only changing the oil without replacing the filter, the capacity is around 1.8 quarts (or about 1.7 liters). Always refer to the owner's manual for precise specifications and maintenance guidelines.
The Yamaha 350 Bruin ATV typically requires 10W-40 oil for optimal performance, especially in varying temperatures. It's important to use a high-quality, four-stroke oil that meets the manufacturer's specifications. Always check the owner's manual for any specific recommendations or updates regarding oil type and capacity.
The type of oil being used in a Yamaha 350 series ATV depends on the temperature where the vehicle is kept. For colder areas 5w-40 oil is preferred, but for hotter temperatures 10w-40 is better.
The 2006 Yamaha 350 Bruin typically requires 10W-40 or 20W-50 engine oil, depending on the operating temperature and conditions. It's recommended to use high-quality, motorcycle-specific oil or oil that meets the JASO MA standard for wet clutches. Always check the owner's manual for specific recommendations and maintenance guidelines.
On a 2004 Yamaha 350 Bruin, the oil plug is typically located on the right side of the engine, near the bottom. It is usually a hex or bolt type plug that allows you to drain the oil. To locate it easily, consult your owner's manual for a diagram or detailed instructions specific to your model. Always ensure the engine is cool before attempting to remove the oil plug.
you will need to pull the drain plug, then take off the oil filter, then replace the oil plug and the new filter, finally put your new oil in.
For your Yamaha Bruin 350, it is generally recommended to use 10W-40 or 20W-50 motor oil, depending on the climate and operating conditions. In colder temperatures, 10W-40 is preferable, while 20W-50 can be used in warmer conditions. Always refer to your owner's manual for specific guidelines and to ensure you meet any manufacturer specifications.
I have a Yamaha 350 big bear, and differential drain plug is on the bottom of the differential. Just remove the plug and let it drain, put the plug back in and fill it back up... i use just regular gear oil
About 2.5 Quarts of 10w 40 wet clutch oil.