2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 123Get this manual

2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 123

CARBURATION AND FUEL SYSTEM When the pressure above and below the diaphragm are nearly equal, the slide moves downward under
entering the carburetor Starter System (Choke or Enrichment) When the choke cable (1) is activated, the starter plunger (5)
is lifted off the seat8 5 Note: Diagrams are for explanation of theory only, and are not true representations of Mikini BST
carburetor Fuel is drawn into the starter circuit from the float chamber (2) through the starter jet (3)Starter jet meters
this fuel, which then flows into starter pipe (4) and mixes with the air (7) coming from the float chamberThe mixture, rich
in fuel content, reaches starter plunger and mixes again with the air coming through passage (8) extending from underneath