How to change oil Kawasaki 400 Bayou 4x4

Changing the oil on the 400 Bayou is a simple task and very crucial to its long term reliability.   Mostly due to the incorporation of the hassle free spin on style oil filter and sight glass oil level gauge.  The only tool required for this job is a 17mm socket and ratchet.  To start, remove the 17mm drain plug located in the middle of the belly skid plate.  As the oil is draining remove the oil filter by turning it counter clockwise.  I like the Wix filters, part number 51358.  Replace the oil filter and reinstall the drain plug.  Make sure you have at least 4 quarts of wet clutch compatible oil on hand.  This oil is often stamped motorcycle or atv oil which contains the friction additive.  You will find the case to be stamped with 3.7 liters, which is equivalent to almost four quarts.  Pour 3 quarts in and then begin gradually adding the 4th quart, checking the sight glass until its just below the upper mark.  Now start the Bayou and let it idol for a couple minutes.  Turn it off and then wait a couple minutes for the oil to drain back down and then recheck the oil sight glass.