2008 Arctic Cat ATVs factory service and repair manual, Page 258Get this manual
Measuring Crankshaft (Runout) 1Place the crankshaft on set of blocks 2Mount dial indicator and base on the surface platePosition the indicator contact at point of the crankshaft
3Zero the indicator and rotate the crankshaft slowly
A CAUTION
Care should be taken to support the connecting rod when rotating the crankshaft