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
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 10Remove the oil level stick; the engine oil level should be above the illustrated "L"
mark but not any higher than the illustrated "F" markCD628 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 ! CAUTION