2010 Arctic Cat 700 Diesel SD ATV Service Manual, Page 83Get this manual
7Remove the four cap screws securing the water pump to the engine block; then remove the pump assembly
CUsing the same procedure, measure and record the second piston protrusionDMark the piston with the highest protrusion and record that value for use later in this section
8Measure piston protrusion using the following procedureARotate the crankshaft until one of the pistons is at top-dead-center (TDC) as indicated by dial indicator