Polaris Sportsman 400 Service Manual page 119

ENGINE
OIL PUMP REMOVAL/INSPECTION, CONT.
6. Remove the three screws and strainer screen from
pump.
7. Clean screen thoroughly.
8. Remove pump body screw and feed chamber cover.
9. Measure pump end clearance using a feeler gauge and
straight edge.
Pump End Clearance:
Std: .001-.003 (.0254-.0762 mm)
Wear Limit: .004 (.1016 mm)
3.50
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