2007 Arctic Cat Four-Stroke Factory Service Manual, Page 136Get this manual

2007 Arctic Cat Four-Stroke Factory Service Manual, Page 136

3Remove the breather tube from the engine cover AO228

! NOTE: Be careful so the inner spark plug hole gaskets do not fall into the engine
4Remove the spark plugs (see RemovingInstalling Spark Plugs (660 cc) in this section)5Remove the five mm cap screws (short) and the one mm cap screw (long) that secure the engine cover to the cylinder head