Main Circuit:
Fuel Inlet
Float Valve Seat
Float Valve
Main Jet
Figure 5-3. Main Circuit (Typical).
Idle Speed
(RPM)
Adjustment
Screw
Float
Main Emulsion
Hole
Main Air Bleed Jet
Choke Valve
Bowl Vent
Fuel System and Governor
Keihin
Carburetors
Only
Throttle Valve
Main Nozzle
Main Jet
Fuel Shut-Off Solenoid
with Main Jet
Section 5
Air
Fuel
Mixture
5
5.5