13. FUEL SYSTEM/CARBURETOR/ FUEL PUMP/ FUEL TANK PEOPLE/PEOPLE S 250 OPERATION OF CARBURETOR JETS 1. LOW SPEED Air Venturi (slightly opened throttle valve) Air Bleed Holes Mixture....... Low Speed Air Inlet Fuel in Float Chamber Slow Jet ---------------------- Low Speed Small Jet Holes 2.MIDDLE SPEED Air Venturi (halfway opened throttle valve) Air Bleed Holes Mixture....... High Speed Air Jet Fuel in Float Chamber Main Jet Main Jet (The slow jet also works.) Low & Middle Speed Supplementary Device: Vacuum Tube Low Speed Air Jet ACV Vacuum Diaphragm Air Pilot Screw Main Jet Bypass Jet Slow Jet Low & Middle Speed Supplementary Fuel Inlets 13-3