2005-2007 Polaris Ranger 500 service manual, Page 97Get this manual
ENGINE 2Measure the distance from the PTO crankcase mating surface to the main bearing using dial caliper and straight edge5Subtract the thickness of the straightedge from the measurement obtained in Step and record3Subtract the thickness of the straightedge from the measurement obtained in Step and recordMag Case Depth 6Add the readings recorded in Step and Step and record below
Total Case Width 7Measure the width of the crankshaft at the bearing seats with micrometer or dial caliper and record