Operation Of Carburetor Jets - KYMCO People Service Manual

13. FUEL SYSTEM/CARBURETOR/
FUEL PUMP/ FUEL TANK

OPERATION OF CARBURETOR JETS

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