2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 51Get this manual

2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 51

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MAINTENANCE Tire Inspection
The pilot system supplies fuel during engine operation with the throttle valve closed or slightly openedThe fuel air mixture is metered by pilot screw and discharged