2007 Arctic Cat Y-12 90cc ATV Service Manual, Page 14Get this manual
Engine Oil 1Move the ATV outdoors and start and warm up the engineShut the engine off; then place drain pan under the engine oil drain plug located on the left-side rear of the engine under the kick starter
4Clean the oil screen in parts-cleaning solvent using brush; then install the screen, spring, and cap making sure the O-ring is seated properly in the capTighten to specifications (see Section 10)
5Remove the oil level stick and pour the recommended amount and viscosity oil into the engine; then install the oil level stickCD634A
2Remove the oil drain plug and drain the engine oil into the pan; then install the oil drain plug and tighten securely3Move the drain pan to the right-front of the engine and remove the oil screenfilter capAccount for screen, spring, and O-ring