2000 Polaris Indy 500 / 600 snowmobile service manual, Page 115Get this manual
ENGINES General Inspection Procedures Oil Pump Bleeding
The oil pump must always be bled following any service to the injector system or engine which allows the loss of oil and subsequent entrapped air during reassembly1Fill oil reservoir with Polaris injector oil2Loosen bleed screwAfter short time oil should flow from beneath the screw head to indicate the pump is free of air3Tighten bleed bleed screw securely
Oil Pump AdjustmentAll Models
NOTE: Adjust carburetor synchronization, idle speed, and throttle cable free play before adjusting oil pump1Stop engine2With throttle in its idle position, the pump lever index mark (A) must align with the pump housing boss index mark (B)3Loosen lock nuts on cable housing sleeve and vary cable housing length as required until proper marks are alignedNOTE: Verify pump lever moves upon initial throttle openingB A