1987-2009 Yamaha ATV YFM350X Warrior Raptor Service Manual, Page 51Get this manual
ENGINE OIL REPLACEMENT 3Start the engine and let it warm up for several minutes4Stop the engine and inspect the oil level once againNOTE: Wait few minutes until level settles before inspecting the oil levelAWARNING Never attempt to remove the dipstick just after high speed operationThe heated oil could spout out, causing dangerWait until the oil cools down
WBOOOOO6
ENGINE OIL REPLACEMENT 1Place the machine on level surface2Start the engine and let it warn up for several minutes3Stop the engine and place an oil pan under the engine