2006-2008 Yamaha Snowmobiles Apex/Attak Factory Service Manual, Page 37Get this manual
ENGINE OIL REPLACEMENT INSP ADJ S Apply thin coat of engine oil onto the O-ring of the new oil filter cartridge CAUTION:
Engine oil (with the specified amount of the recomended engine oil) Add 2.0 (1.8 lmp qt, 2.1 US qt) of the recommended engine
oil to the oil tank, and then install and tighten the oil level gaugedipstick and the cylinder head capQuantity Total amount
3.8 (3.3 Imp qt, 4.0 US qt) Periodic oil change 2.8 (2.5 Imp qt, 3.0 US qt) With oil filter replacement 3.0 (2.6 Imp qt,
3.2 US qt) 8Inspect: Engine and oil tank (for engine oil leaks) 9Inspect: Engine oil level Refer to "ENGINE OIL INSPECTION"