2006 Arctic Cat Y-6/Y-12 50cc and 90cc Service Manual, Page 14Get this manual
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 screenfilter capAccount for screen, spring, and O-ring
5Remove the oil level stick and pour the recommended amount and viscosity oil into the engine; then install the oil level stick
6Start and warm up the engineKM040A
7Shut the engine off and allow to stand for 2-3 minutes8Remove the oil level stick and wipe with clean cloth9Insert the oil level stick until the threads touch the engineNOTE: The oil level stick should not be threaded into the engine for checking the oil