2004-2005 660 Yamaha Rhino Factory Service Manual, Page 90Get this manual
CHECKING THE ENGINE OIL LEVEL CHANGING THE ENGINE OIL
5Stop the engine and check the oil level againNOTE: Wait few minutes until the oil settles before checking the oil levelWARNING Never remove the dipstick just after high speed operation because the heated oil could spurt outWait until the oil cools down before removing the dipstick6 Install: console passenger seat driver seat Refer to "SEATS, ENCLOSURE, HOOD AND CARGO BED" in chapter 8
CHANGING THE ENGINE OIL 1Start the engine and let it warm up for several minutes2Stop the engine and place an oil pan under the engine3Remove: driver seat passenger seat console Refer to "SEATS, ENCLOSURE, HOOD AND CARGO BED" in chapter 84Remove: engine oil filler plug (dipstick) engine oil drain bolt Drain the engine oil from the crankcase