2005-2007 Polaris Ranger 500 service manual, Page 98Get this manual
ENGINE Counter Balancer Shaft End Play Adjustment
12Make sure all bearings are firmly seated in the crankcaseMeasure the width of the counter balancer shaft at the bearing seats with dial caliper or micrometer, and record reading
Oil Pump Shaft End Play Adjustment
89Make sure the pump shaft bearing is firmly seated in the Magneto side crankcaseMeasure the distance from the magneto crankcase mating surface to the bearing using dial caliper and straight edgeSubtract the thickness of the straightedge and recordMeasure the distance from the Mag crankcase mating surface to the balance shaft bearing using dial caliper and straight edgeSubtract the thickness of the straightedge and record
10Install the gear on the oil pump and measure the width of the pump and gearSubtract this measurement from the measurement recorded in Step 2Measure the distance from the PTO crankcase mating surface to the bearing using the same method outlined in Step 1, 2, and 3Add the readings obtained in Step and Step 4Subtract the counter balancer shaft width measured in Step from the figure obtained in Step 5Subtract the thickness of the existing shim from the result of Step to determine if different shim is neededThe result must be within the specified range listed at belowCounter Balancer Shaft End Play: .008"-.016" (.02-.04 cm)