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13-1. FUEL SYSTEM/CARBURETOR/
FUEL PUMP/ FUEL TANK GRAND DINK 125/150
OPERATION OF CARBURETOR JETS
1.LOW SPEED
Venturi (slightly opened throttle valve)
Air Air Bleed Holes Mixture.......
Low Speed Air Inlet
Fuel in Float Chamber Slow Jet
-------------------- Low Speed Small Jet Holes
2.MIDDLE SPEED
Venturi (halfway opened throttle valve) Air Bleed Holes Mixture.......
Air
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
Throttle
Valve
Air
Pilot Screw
Main Jet
Bypass Jet Slow Jet
Low & Middle Speed Supplementary Fuel Inlets
13-3