Subaru 1600 Service Manual page 134

FUEL SYSTEM
2) Main System
FUEL
Float chamber
Main jet (secondary)
Main air bleed
(secondary)
,--_ _ E_m_U_Is_' i o_n_tube
(se_co_n_d~r_y_)
_
I
Main nozzle (secondary)
Small venturi (secondary)
Large venturi (secondary)
Throttle bore (secondary)
Fig.4-15 Fuel and air flow in main system
AIR
*
Control air cleaner or air cleaner
Auxiliary main
air bleed (High
altitude con-
figuration only)
NOTE:
As for the construction, refer to 2)
Main system in Primary Side.
• Control air cleaner: Non-4WD of non-California models
A8-494 Air cleaner: 4WD of non-California models