2010 Arctic Cat 700 Diesel SD ATV Service Manual, Page 59Get this manual
8Install the camshaft (see CamshaftRocker Arms in this sub-section)At this point, the cylinder head is ready for installation on the engine blockInstalling 1Prior to installing the cylinder head, head gasket of the correct thickness must be selected in order to maintain adequate piston to cylinder head clearanceTo select the correct cylinder head gasket, use the following procedureARotate the crankshaft until one of the pistons is at top-dead-center (TDC) as indicated by dial indicatorDE342A
DE343A DE330
BUsing depth micrometer, measure and record piston protrusion above the cylinder deck plane
2Make sure the cylinder deck surface is clean and free of all oil, grease, varnish, or coolantDE386