2009 Polaris Scrambler 500 4x4 2x4 factory service manual, Page 87Get this manual

2009 Polaris Scrambler 500 4x4 2x4 factory service manual, Page 87

ENGINE 5Measure the connecting rod big end radial clearanceBig End Radial Clearance: Std: .0004-.0015 (.011-.038 mm) Limit:
bearings should turn smoothly and quietlyThe outer race of each bearing should fit tightly in the crankcaseThe inner race
should be firm with minimal side to side movement and no detectable up and down movement3Support the crankcase and drive
or press the main bearings out of each crankcase4To remove balancer shaft bearings and pump shaft bearing use blind hole
bearing pullerNOTE: Bearings are stressed during the removal process and should not be re-used! 1Remove the pump shaft bearing
from the Magneto (right hand) side crankcase2Pry out the oil seal, noting the direction of installation with the spring side
facing IN (toward inside of case)3Drive the water pump mechanical seal out of the crankcase from inside to outsideNote: The
new mechanical seal must be installed after the crankcases are assembled, using special toolSee Mechanical Seal Installation